CN116520619A - Zoom laser infrared light supplementing lamp with laser indication function and control method - Google Patents
Zoom laser infrared light supplementing lamp with laser indication function and control method Download PDFInfo
- Publication number
- CN116520619A CN116520619A CN202310431838.5A CN202310431838A CN116520619A CN 116520619 A CN116520619 A CN 116520619A CN 202310431838 A CN202310431838 A CN 202310431838A CN 116520619 A CN116520619 A CN 116520619A
- Authority
- CN
- China
- Prior art keywords
- laser
- light
- indication
- supplementing
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001502 supplementing effect Effects 0.000 title claims abstract description 170
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000003287 optical effect Effects 0.000 claims abstract description 58
- 230000010287 polarization Effects 0.000 claims description 48
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000012466 permeate Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 239000013589 supplement Substances 0.000 description 8
- 230000004297 night vision Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0911—Anamorphotic systems
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
- G02B27/20—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective for imaging minute objects, e.g. light-pointer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laser Surgery Devices (AREA)
Abstract
The invention provides a zoom laser infrared light supplementing lamp with a laser indicating function and a control method. The invention organically combines the laser indication function and the laser infrared light supplementing function through the light path design and the structural transformation of the convex lens of the concave lens, the light spot of the laser light supplementing lamp can be zoomed and adjusted to the size of the light spot, the corresponding divergence angle of the light spot changes according to a zooming system, the light beam of the indication light coincides with the optical axis of the light beam of the laser light supplementing lamp, the light spot is positioned at the center of the light spot of the laser light supplementing lamp, and the size and the position of the light spot of the indication light are unchanged all the time when the light spot of the laser light supplementing lamp changes; meanwhile, the light sources of the laser indicating light and the laser light supplementing lamp can be light with the same wavelength or light with different wavelengths.
Description
Technical Field
The invention relates to the technical field of lasers, in particular to a zoom laser infrared light supplementing lamp with a laser indicating function and a control method.
Background
With the development of security technology, the laser infrared lamp is increasingly applied to security systems, can be matched with an infrared-sensitive camera, a black-and-white CCD camera or low-light night vision equipment to form a night vision monitoring system, realizes 24-hour continuous monitoring, has the characteristics of long effective illumination distance, long service life, good night vision imaging effect and high concealment, thoroughly solves the problem of night vision illumination, and is an infrared illumination product with optimal night vision monitoring.
With the technical progress and development of the laser infrared lamp, the laser infrared lamp is used as a camera night vision light supplementing source to meet the market demand more exactly, and replaces the LED infrared lamp to become an infrared light source product with optimal matching in middle and long distances.
The zooming laser infrared lamp can be suitable for various scenes, can be matched with a zooming lens to be used, and has strong application requirements. Meanwhile, with the advent of diversified laser products, the independent light supplementing function cannot meet market demands.
The laser indicator is also called a laser pen, a star pen and the like, is a pen-shaped emitter which is designed to be portable, easy to hold by hands and processed by a laser module (diode), is usually used by meeting, teaching and viewing personnel to project a light spot or a light ray to point to an object for indication marking, but when no illumination is available at night, the user cannot see objects and cannot accurately mark and command if no light supplement is available. However, the beam spot diameter of the laser beam for laser indication needs to be as small as possible to reduce propagation loss, the beam spot of the laser beam for light compensation needs to be expanded to form a spot with larger diameter, and zooming is also needed, and the energy loss of the laser indication beam can be increased during the beam expansion and zooming, so that the laser indication and the laser infrared lamp are difficult to be combined into a whole for output.
There is therefore a need for a device that combines laser pointing with a laser infrared lamp.
Disclosure of Invention
The invention provides a zoom laser infrared light supplementing lamp with a laser indicating function and a control method thereof, which aim to solve the problem of single function of the laser infrared lamp, the laser indicating function and the laser infrared light supplementing function are organically combined through the light path design and the structural transformation of a concave lens and a convex lens, the light spot of the laser light supplementing lamp can be subjected to zoom adjustment to the size of the light spot, the corresponding divergence angle of the light spot changes according to a zoom system, an indicating light beam coincides with the optical axis of the light beam of the laser light supplementing lamp, the light spot is positioned at the center of the light spot of the laser light supplementing lamp, and the size and the position of the light spot of the indicating light are unchanged all the time when the light spot of the laser light supplementing lamp changes; meanwhile, the light sources of the laser indicating light and the laser light supplementing lamp can be light with the same wavelength or light with different wavelengths.
The invention provides a zoom laser infrared light supplementing lamp with a laser indication function, which comprises a laser indication beam forming assembly, a laser light supplementing beam forming assembly and a beam expanding output assembly, wherein the beam expanding output assembly is positioned on an output light path of the laser indication beam forming assembly and the laser light supplementing beam forming assembly;
the beam expanding output assembly comprises a concave lens and a convex lens which are sequentially arranged on an output light path of the laser indicating beam forming assembly and the laser light supplementing beam forming assembly, the central areas of the concave lens and the convex lens are planes, the range of the central areas is larger than or equal to the size of a laser indicating beam spot, the divergence angle of the laser indicating beam is kept unchanged when the laser indicating beam passes through the central areas of the concave lens and the convex lens and is output, and the divergence angle of the laser light supplementing beam is enlarged when the laser indicating beam passes through the areas outside the central areas of the concave lens and the convex lens and is output.
The invention relates to a zoom laser infrared light supplementing lamp with a laser indication function, which is characterized in that a laser indication beam forming assembly comprises a laser indication light source, a laser indication collimating mirror and a laser indication reflecting mirror which are sequentially arranged, wherein the laser indication light source and the laser indication collimating mirror are arranged on one side of an optical axis of a laser light supplementing beam, the laser indication reflecting mirror is obliquely arranged on one side of the optical axis of the laser light supplementing beam, a light source output by the laser indication light source is collimated by the laser indication collimating mirror and then is output to the laser indication reflecting mirror, and the laser indication reflecting mirror outputs a laser indication beam after turning a light path of the light beam and enables the optical axis of the laser indication beam to coincide with the optical axis of the laser light supplementing beam.
The invention relates to a zoom laser infrared light supplementing lamp with a laser indication function, which is characterized in that a laser light supplementing beam forming assembly comprises a laser light supplementing light source, a laser light supplementing collimating mirror and a reflecting mirror which are sequentially arranged, wherein the laser light supplementing light source and the laser light supplementing collimating mirror are arranged on one side of an optical axis of a laser indication beam, the reflecting mirror is obliquely arranged on one side of the optical axis of the laser indication beam, a light source output by the laser light supplementing light source is collimated by the laser light supplementing collimating mirror and then is output to the reflecting mirror, the reflecting mirror enables the laser indication beam to penetrate and enables an output beam of the laser light supplementing collimating mirror to be subjected to optical path turning to form the laser light supplementing beam, and the optical axes of the laser indication beam and the laser light supplementing beam are overlapped and then output to a beam expanding output assembly.
According to the zoom laser infrared light supplementing lamp with the laser indication function, as an optimal mode, wavelengths of laser indication light beams and laser light supplementing light beams are different, one side of a reflecting mirror facing a laser indication light beam forming assembly is plated with an antireflection film of the laser indication light beam, the other side of the reflecting mirror is plated with a reflecting film of the laser light supplementing light beam, and a light source output by the laser light supplementing light source is an infrared light source.
The invention relates to a zoom laser infrared light supplementing lamp with a laser indication function, which is characterized in that as a preferable mode, the wavelengths of a laser indication beam and a laser light supplementing beam are the same, a laser light supplementing beam forming component comprises a laser light supplementing light source, a laser light supplementing collimating lens, a half wave plate and a polarization beam combining lens which are sequentially arranged, the laser light supplementing light source, the laser light supplementing collimating lens and the half wave plate are arranged on one side of an optical axis of the laser indication beam, the polarization beam combining lens is obliquely arranged on one side of the optical axis of the laser indication beam, an output light source of the laser light supplementing light source is collimated by the laser light supplementing collimating lens and then is output to the half wave plate, the half wave plate adjusts the polarization state of the light source to be perpendicular to the polarization direction of the laser indication beam, and the polarization beam combining lens enables the laser indication beam to penetrate and the output light beam of the half wave plate to form a laser light supplementing beam in a light path, and enables the optical axes of the laser indication beam and the laser light supplementing beam to coincide and then be combined to be output to a beam expanding output component.
According to the zoom laser infrared light supplementing lamp with the laser indicating function, as an optimal mode, the distance between the concave lens and the convex lens can be adjusted to zoom.
The invention provides a zoom laser infrared light supplementing lamp control method with a laser indication function, wherein laser indication beams and laser light supplementing beams are formed and started, laser indication beam output enters a step S2, and laser light supplementing beam formation enters a step S3;
s2, a light source output by the laser indication light source is collimated into a punctiform light beam by the laser indication collimating mirror and is output to the laser indication reflecting mirror, the punctiform light beam is turned by the laser indication reflecting mirror to form a laser indication light beam, and the laser indication light beam is output to the reflecting mirror or the polarization beam combining mirror to enter the step S4;
s3, the light source output by the laser light supplementing light source is collimated by the laser light supplementing collimating lens and then output to the reflecting lens or the polarization beam combining lens;
s4, transmitting the laser indication beam by using a reflecting mirror or a polarization beam combining mirror, turning an output beam of the laser light supplementing collimating mirror on a light path or combining the polarization beam to form a laser light supplementing beam, enabling optical axes of the laser indication beam and the laser light supplementing beam to be overlapped and sequentially output to the concave lens and the convex lens, sequentially outputting the laser indication beam through central areas of the concave lens and the convex lens, enabling an output divergence angle to be unchanged, enabling the central areas to be planes and areas of the central areas to be larger than or equal to light spots of the laser indication beam, sequentially outputting the laser light supplementing beam after expanding the laser light supplementing beam through areas outside the central areas of the concave lens and the convex lens, and completing the control method of the zoom laser infrared light supplementing lamp with a laser indication function.
In the preferred mode, in the step S3, when the laser wavelengths output by the laser indication light source and the laser light supplement light source are the same, the output light source of the laser light supplement light source is collimated by the laser light supplement collimating lens and then output to the half-wave plate, so that the polarization direction of the laser becomes the direction perpendicular to the laser indication light beam, and then output to the polarization beam combining lens;
in step S4, the polarization beam combiner transmits the laser indicating beam, turns the output beam of the half-wave plate on the optical path to form a laser light compensating beam, and performs polarization beam combination with the laser indicating beam for output.
In the method for controlling the zoom laser infrared light supplementing lamp with the laser indication function, in the step S3, when the laser wavelengths output by the laser indication light source and the laser light supplementing light source are different, the output light source of the laser light supplementing light source is collimated by the laser light supplementing collimating mirror and then output to the reflecting mirror;
in step S4, the reflecting mirror transmits the laser indication beam, and turns the output beam of the laser light-compensating collimator to form the laser light-compensating beam.
In the method for controlling the zooming laser infrared light supplementing lamp with the laser indicating function, in the step S4, the divergence angle of the laser light supplementing beam can be changed by adjusting the front and back positions of the convex lens so as to zoom;
the laser indicating beam and the laser light supplementing beam can also be output independently.
The technical principle of the invention is as follows:
1. the indication light and the light supplementing light beam may have the same wavelength or different wavelengths. When the wavelengths are the same, the polarization direction of the indicating light or the light supplementing light beam is changed by using a half-wave plate according to the polarization principle of the light, so that the purpose of enabling the two light beams with the same wavelengths to have the mutually perpendicular polarization directions is achieved, and then the two light beams are combined through a polarization beam combiner, so that the purpose of enabling the optical axes of the indicating light and the light supplementing light beam to coincide can be achieved. When the light beams are different in wavelength, the reflecting mirror is used for coating films, indicating light is transmitted, the light supplementing light beams are reflected, and the two light beams can reach optical axis coincidence after passing through the reflecting mirror.
2. When light beams pass through interfaces of two light-transmitting materials with different refractive indexes, the light beams can generate refraction phenomena due to the influences of incident angles and refractive indexes, and the refraction phenomena are mainly represented as the change of light paths. When the light beam is vertically incident, the light beam can not change direction when passing through the interface of the two light-transmitting materials with different refractive indexes. The divergent light of the laser beam can be shaped into collimated light by a convex lens, and the spot diameter of the collimated light beam can be changed by lenses with different sizes. The diameter of the laser beam spot for indication needs to be as small as possible to reduce propagation loss; the laser beam spot for light filling needs to be expanded, and the laser beam spot can be shaped into a spot with larger diameter before the beam expansion. The diameter of each lens is far larger than the diameter of the spot of the indication light, the curvature near the central axis of the lens is nearly 0, and the lens is a plane, so that the optical path of the indication light is not changed when the indication light is vertically incident, and the spot size and the optical path direction of the indication light are not changed in the zooming process.
The invention has the following advantages:
the invention provides a zoom laser infrared light supplementing lamp with a laser indication function and a control method, wherein the laser indication function and the laser infrared light supplementing function are organically combined, the light spot of the laser light supplementing lamp can be subjected to zoom adjustment, the corresponding divergence angle of the light spot is changed according to a zoom system, an indication light beam coincides with the optical axis of the laser light supplementing lamp beam, the light spot is positioned at the center of the light spot of the laser light supplementing lamp, and the size and the position of the light spot of the indication light are unchanged all the time when the light spot of the laser light supplementing lamp is changed; meanwhile, the light sources of the laser indicating light and the laser light supplementing lamp can be light with the same wavelength or light with different wavelengths.
Drawings
FIG. 1 is a diagram of different wavelengths of a laser indication beam and a laser light compensating beam of a zoom laser infrared light compensating lamp with a laser indication function;
FIG. 2 is a zoom optical path diagram of a zoom laser infrared light filling lamp with laser indication function, wherein the laser indication beam and the laser light filling beam have different wavelengths;
FIG. 3 is a diagram of the same wavelength light path of the laser indication beam and the laser light beam of the zoom laser infrared light filling lamp with the laser indication function;
FIG. 4 is a flow chart of a method of controlling zoom laser infrared with laser pointing;
FIG. 5 is a diagram showing the effect of using only pointing light in embodiment 3 of a zoom laser infrared light-compensating lamp with laser pointing function and control method;
FIG. 6 is a diagram showing the effect of light supplement for a zoom laser infrared light supplement lamp with laser indication and control method according to example 3;
FIG. 7 is a diagram showing the effect of the zoom laser infrared light-compensating lamp with laser indication and the control method of example 3;
fig. 8 is a light path diagram of a zoom laser infrared light supplement lamp with laser indication function and control method embodiment 3.
Reference numerals:
1. a laser pointer beam forming assembly; 11. a laser indication light source; 12. a laser indicating collimating mirror; 13. a laser indicating mirror; 2. a laser light supplementing beam forming component; 21. a laser light supplementing light source; 22. a laser light supplementing collimating lens; 23. a reflecting mirror; 24. a half-wave plate; 25. a polarization beam combiner; 3. a beam expanding output assembly; 31. a concave lens; 32. a convex lens.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
As shown in fig. 1 to 3, a zoom laser infrared light supplementing lamp with a laser indication function comprises a laser indication beam forming component 1, a laser light supplementing beam forming component 2 and a beam expanding output component 3 positioned on the output light path of the laser indication beam forming component 1 and the laser light supplementing beam forming component 2, wherein the laser indication beam forming component 1 outputs a laser indication beam, the laser light supplementing beam forming component 2 outputs a laser light supplementing beam, the optical axes of the laser indication beam and the laser light supplementing beam coincide, the spot size of the laser indication beam is smaller than that of the laser light supplementing beam, the laser indication beam is output after passing through the beam expanding output component 3, the divergence angle is unchanged, and the laser light supplementing beam is output after passing through the beam expanding output component 3;
the beam expanding output assembly 3 comprises a concave lens 31 and a convex lens 32 which are sequentially arranged on the output light paths of the laser indicating beam forming assembly 1 and the laser light supplementing beam forming assembly 2, wherein the central areas of the concave lens 31 and the convex lens 32 are all planes, the range of the central areas is larger than or equal to the size of a laser indicating beam spot, the divergence angle of the laser indicating beam is kept unchanged when the laser indicating beam passes through the central areas of the concave lens 31 and the convex lens 32 and is output, and the divergence angle of the laser light supplementing beam is enlarged when the laser light supplementing beam passes through the areas outside the central areas of the concave lens 31 and the convex lens 32 and is output;
the laser indication beam forming assembly 1 comprises a laser indication light source 11, a laser indication collimating mirror 12 and a laser indication reflecting mirror 13 which are sequentially arranged, wherein the laser indication light source 11 and the laser indication collimating mirror 12 are arranged on one side of the optical axis of a laser light supplementing beam, the laser indication reflecting mirror 13 is obliquely arranged on one side of the optical axis of the laser light supplementing beam, a light source output by the laser indication light source 11 is collimated by the laser indication collimating mirror 12 and then is output to the laser indication reflecting mirror 13, and the laser indication reflecting mirror 13 outputs a laser indication beam after turning a light beam into a light path and enables the optical axis of the laser indication beam to coincide with the optical axis of the laser light supplementing beam;
as shown in fig. 1 to 2, the laser light-compensating beam forming assembly 2 includes a laser light-compensating light source 21, a laser light-compensating collimating lens 22 and a reflecting mirror 23 which are sequentially arranged, the laser light-compensating light source 21 and the laser light-compensating collimating lens 22 are arranged at one side of the optical axis of the laser indication beam, the reflecting mirror 23 is obliquely arranged at one side of the optical axis of the laser indication beam, the light source output by the laser light-compensating light source 21 is collimated by the laser light-compensating collimating lens 22 and then output to the reflecting mirror 23, the reflecting mirror 23 transmits the laser indication beam and turns the output beam of the laser light-compensating collimating lens 22 into a laser light-compensating beam by the optical path, and the optical axes of the laser indication beam and the laser light-compensating beam are overlapped and then output to the beam-expanding output assembly 3;
the wavelengths of the laser indication light beam and the laser light supplementing light beam are different, one side of the reflecting mirror 23 facing the laser indication light beam forming assembly 1 is plated with an antireflection film of the laser indication light beam, the other side is plated with a reflecting film of the laser light supplementing light beam, and a light source output by the laser light supplementing light source 21 is an infrared light source;
as shown in fig. 3, the wavelength of the laser indication beam is the same as that of the laser light supplementing beam, the laser light supplementing beam forming assembly 2 includes a laser light supplementing light source 21, a laser light supplementing collimating lens 22, a half-wave plate 24, and a polarization beam combining lens 25 which are sequentially arranged, the laser light supplementing light source 21, the laser light supplementing collimating lens 22, and the half-wave plate 24 are arranged at one side of the optical axis of the laser indication beam, the polarization beam combining lens 25 is obliquely arranged at one side of the optical axis of the laser indication beam, the output light source of the laser light supplementing light source 21 is collimated by the laser light supplementing collimating lens 22 and then output to the half-wave plate 24, the half-wave plate 24 adjusts the polarization state of the light source to be perpendicular to the polarization direction of the laser indication beam, the polarization beam combining lens 25 makes the laser indication beam penetrate and makes the output beam of the half-wave plate 24 make optical path turning to form the laser supplement beam, and makes the optical axes of the laser indication beam and the laser light supplementing beam coincide and then combine and output to the beam expanding output assembly 3;
the distance between the concave lens 31 and the convex lens 32 is adjustable to perform zooming.
Example 2
As shown in fig. 1 to 4, in a zoom laser infrared light-compensating lamp control method with a laser indication function, laser indication beam and laser light-compensating beam are formed, laser indication beam output enters step S2, and laser light-compensating beam formation enters step S3;
s2, the light source output by the laser indication light source 11 is collimated into a punctiform light beam by the laser indication collimating mirror 12 and output to the laser indication reflecting mirror 13, the punctiform light beam is turned by the laser indication reflecting mirror 13 to form a laser indication light beam, and the laser indication light beam is output to the reflecting mirror 23 or the polarization beam combining mirror 25 to enter step S4;
s3, the light source output by the laser light supplementing light source 21 is collimated by the laser light supplementing collimating lens 22 and then output to the reflecting lens 23 or the polarization beam combining lens 25;
s4, transmitting a laser indication beam by a reflecting mirror 23 or a polarization beam combining mirror 25, turning an output beam of a laser light supplementing collimating mirror 22 by a light path or combining the polarization beam to form a laser light supplementing beam, enabling optical axes of the laser indication beam and the laser light supplementing beam to be overlapped and sequentially output to a concave lens 31 and a convex lens 32, sequentially outputting the laser indication beam through central areas of the concave lens 31 and the convex lens 32, enabling an output divergence angle to be unchanged, enabling the central areas to be planes and enabling the area to be larger than or equal to a spot of the laser indication beam, sequentially outputting the laser light supplementing beam through areas outside the central areas of the concave lens 31 and the convex lens 32, and completing a zoom laser infrared light supplementing lamp control method with a laser indication function;
in step S3, when the laser wavelengths output by the laser indication light source 11 and the laser light supplementing light source 21 are the same, the output light source of the laser light supplementing light source 21 is collimated by the laser light supplementing collimating lens 22 and then output to the half-wave plate 24, so that the polarization direction of the laser becomes the direction perpendicular to the laser indication light beam, and then output to the polarization beam combining lens 25;
in step S4, the polarization beam combiner 25 transmits the laser indicating beam, turns the output beam of the half-wave plate 24 on the optical path to form a laser light compensating beam, and performs polarization beam combining with the laser indicating beam for output;
in step S3, when the laser wavelengths output by the laser indication light source 11 and the laser light-compensating light source 21 are different, the output light source of the laser light-compensating light source 21 is collimated by the laser light-compensating collimating mirror 22 and then output to the reflecting mirror 23;
in step S4, the reflecting mirror 23 transmits the laser indication beam, and turns the output beam of the laser light-compensating collimator 22 to form a laser light-compensating beam;
in step S4, the divergence angle of the laser light-compensating beam may also be changed by adjusting the front-to-rear position of the convex lens 32 to perform zooming;
the laser indicating beam and the laser light supplementing beam can also be output independently.
Example 3
As shown in fig. 1, 2 and 4, the output wavelengths of a laser indication light source 11 and a laser light supplementing light source are different, the light path is shown in fig. 1, the laser indication light source 11 is collimated into a punctiform light beam after passing through a laser indication collimating mirror 12, the punctiform light beam is reflected by a laser indication reflecting mirror 13 and transmitted when passing through a reflecting mirror 23, and the punctiform light beam respectively passes through the centers of a concave lens 31 and a convex lens 32 to finally form a light spot of the laser indication light beam, wherein the key point is that the curvature of the centers of the concave lens 31 and the convex lens 32 is close to 0, the size of the laser indication light spot is small enough, and the light spot path is unchanged after passing through the concave lens 31 and the convex lens 32, so that the divergence angle of the light beam 10 is unchanged;
meanwhile, the laser light supplementing light source 21 forms a collimated light beam after passing through the laser light supplementing collimating lens 22, the collimated light beam is reflected by the reflecting lens 23, the light beam optical axis is coincident with the indicating light optical axis at the moment, the light beam is diffused after passing through the concave lens 31, and the convex lens 32 can move back and forth in the optical axis direction, so that the divergence angle of the laser light supplementing light beam is changed to achieve the purpose of zooming, and the device is shown in fig. 2; the key point is that the light spot is larger than the laser indicating light spot after passing through the collimating mirror 5, and the optical axis of the laser beam coincides with the optical axis of the indicating light after passing through the reflecting mirror 23.
After the system and the control method are adopted, the laser light supplementing can adjust the beam divergence angle, the laser indicating light is not influenced by the zoom system, and the indicating light is always coaxial with the light supplementing beam. The beam change after zooming is shown in fig. 2.
In this embodiment, the concave lens 31 is a plano-concave lens with a diameter of Φ3cm, a concave curvature of-3, a convex lens 32 is a plano-convex lens with a diameter of Φ5cm, a curvature of a drawing 12, an output wavelength of the laser indication light source 11 is 520nm, an output wavelength of the laser light-compensating light source 21 is 1550nm, the laser indication light beam forming assembly 1 and the laser light-compensating light beam forming assembly 2 are externally provided with a housing, and the front end of the beam expanding output assembly 3 is provided with an output port and externally provided with a telescopic housing for zooming.
When only the light indicating effect is used, the output light spots are shown in fig. 5, when only the light supplementing effect is used, the output light spots are shown in fig. 6, when the indicating light and the light supplementing lamp are combined, the output light spots are shown in fig. 7, and the indicating light and the light supplementing lamp are successfully combined, and the light path diagram is shown in fig. 8.
Example 4
As shown in fig. 1 to 4, a zoom laser infrared light compensating lamp with a laser indication function and a control method thereof are the same as those of the embodiment 2, wherein the basic device and method are the same as those of the embodiment 2, the difference is that the output wavelengths of the laser indication light source 11 and the laser light compensating light source are the same, the optical path is as shown in fig. 2, a half-wave plate 24 for changing the polarization direction of the laser light is added in the optical path, so that the polarization direction of the light compensating light beam is changed and is perpendicular to the polarization direction of the indication light beam, and the optical axes of the two light beams are overlapped after passing through a polarization beam combiner 25.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a zoom laser infrared light filling lamp with laser instruction function which characterized in that: the laser beam-expanding device comprises a laser indication beam forming assembly (1), a laser light-supplementing beam forming assembly (2) and a beam-expanding output assembly (3) which is positioned on an output light path of the laser indication beam forming assembly (1) and the laser light-supplementing beam forming assembly (2), wherein the laser indication beam forming assembly (1) outputs a laser indication beam, the laser light-supplementing beam forming assembly (2) outputs a laser light-supplementing beam, the optical axes of the laser indication beam and the laser light-supplementing beam coincide, the spot size of the laser indication beam is smaller than that of the laser light-supplementing beam, the laser indication beam is output after passing through the beam-expanding output assembly (3) and the divergence angle is unchanged, and the laser light-supplementing beam is output after passing through the beam-expanding output assembly (3);
the beam expanding output assembly (3) comprises a concave lens (31) and a convex lens (32) which are sequentially arranged on an output light path of the laser indicating beam forming assembly (1) and the laser light supplementing beam forming assembly (2), the central areas of the concave lens (31) and the convex lens (32) are all planes, the range of the central areas is larger than or equal to the size of a laser indicating beam spot, the divergence angle of the laser indicating beam is kept unchanged when the laser indicating beam passes through the central areas of the concave lens (31) and the convex lens (32) and is output, and the divergence angle of the laser light supplementing beam is enlarged when the laser indicating beam passes through the areas outside the central areas of the concave lens (31) and the convex lens (32) and is output.
2. The zoom laser infrared light compensating lamp with laser indicating function according to claim 1, wherein: the laser indication beam forming assembly (1) comprises a laser indication light source (11), a laser indication collimating mirror (12) and a laser indication reflecting mirror (13) which are sequentially arranged, wherein the laser indication light source (11) and the laser indication collimating mirror (12) are arranged on one side of an optical axis of a laser light supplementing beam, the laser indication reflecting mirror (13) is obliquely arranged on one side of the optical axis of the laser light supplementing beam, a light source output by the laser indication light source (11) is collimated by the laser indication collimating mirror (12) and then is output to the laser indication reflecting mirror (13), and the laser indication reflecting mirror (13) outputs the laser indication beam after turning a light beam into a light path and enables the optical axis of the laser indication beam to coincide with the optical axis of the laser light supplementing beam.
3. The zoom laser infrared light compensating lamp with laser indicating function according to claim 1, wherein: the laser light filling beam forming assembly (2) comprises a laser light filling source (21), a laser light filling collimating mirror (22) and a reflecting mirror (23) which are sequentially arranged, wherein the laser light filling source (21) and the laser light filling collimating mirror (22) are arranged on one side of an optical axis of a laser indication beam, the reflecting mirror (23) is obliquely arranged on one side of the optical axis of the laser indication beam, a light source output by the laser light filling source (21) is collimated by the laser light filling collimating mirror (22) and then is output to the reflecting mirror (23), and the reflecting mirror (23) enables the laser indication beam to penetrate and enable an output beam of the laser light filling collimating mirror (22) to be subjected to optical path turning to form the laser light filling beam, and the optical axes of the laser indication beam and the laser light filling beam are overlapped and then output to the beam expanding output assembly (3).
4. A zoom laser infrared light filling lamp with laser indicating function according to claim 3, characterized in that: the wavelength of the laser indication light beam is different from that of the laser light supplementing light beam, one side of the reflecting mirror (23) facing the laser indication light beam forming assembly (1) is plated with an antireflection film of the laser indication light beam, the other side is plated with a reflecting film of the laser light supplementing light beam, and a light source output by the laser light supplementing light source (21) is an infrared light source.
5. The zoom laser infrared light compensating lamp with laser indicating function according to claim 1, wherein: the laser beam forming assembly comprises a laser beam supplementing light source (21), a laser beam supplementing collimating lens (22), a half-wave plate (24) and a polarization beam combining lens (25) which are sequentially arranged, wherein the laser beam supplementing light source (21), the laser beam supplementing collimating lens (22) and the half-wave plate (24) are arranged on one side of an optical axis of the laser beam supplementing light, the polarization beam combining lens (25) is obliquely arranged on one side of the optical axis of the laser beam supplementing light, an output light source of the laser beam supplementing light source (21) is collimated by the laser beam supplementing collimating lens (22) and then is output to the half-wave plate (24), the polarization state of the half-wave plate (24) is adjusted to be perpendicular to the polarization direction of the laser beam supplementing light, and the polarization beam combining lens (25) enables the laser beam supplementing light to permeate and the output light beam of the half-wave plate (24) to form a light path supplementing beam, and the optical axis of the laser beam supplementing light is overlapped and then is output to the beam expanding assembly (3).
6. The zoom laser infrared light compensating lamp with laser indicating function according to claim 1, wherein: the distance between the concave lens (31) and the convex lens (32) is adjustable for zooming.
7. A zoom laser infrared light supplementing lamp control method with a laser indicating function is characterized in that: starting the formation of a laser indication beam and a laser light supplementing beam, outputting the laser indication beam to enter a step S2, and forming the laser light supplementing beam to enter a step S3;
s2, a light source output by a laser indication light source (11) is collimated into a punctiform light beam by a laser indication collimating mirror (12) and is output to a laser indication reflecting mirror (13), the punctiform light beam is turned by the laser indication reflecting mirror (13) to form a laser indication light beam, and the laser indication light beam is output to a reflecting mirror (23) or a polarization beam combining mirror (25) and enters a step S4;
s3, a light source output by the laser light supplementing light source (21) is collimated by the laser light supplementing collimating lens (22) and then output to the reflecting lens (23) or the polarization beam combining lens (25);
s4, the reflecting mirror (23) or the polarization beam combining mirror (25) transmits the laser indication beam, the output beam of the laser light supplementing collimating mirror (22) is subjected to light path turning or polarization beam combining to form a laser light supplementing beam, the laser indication beam and the optical axis of the laser light supplementing beam are overlapped and then sequentially output to the concave lens (31) and the convex lens (32), the laser indication beam sequentially passes through the central areas of the concave lens (31) and the convex lens (32) and is output with unchanged divergence angle, the central areas are planes and are larger than or equal to light spots of the laser indication beam, and the laser light supplementing beam sequentially passes through areas outside the central areas of the concave lens (31) and the convex lens (32) and is output.
8. The control method of the variable-focus laser infrared light filling lamp with the laser indication function according to claim 7, wherein the control method comprises the following steps: in step S3, when the laser wavelengths output by the laser indication light source (11) and the laser light supplementing light source (21) are the same, the output light source of the laser light supplementing light source (21) is collimated by the laser light supplementing collimating lens (22) and then output to the half-wave plate (24) so that the polarization direction of the laser becomes the direction perpendicular to the laser indication light beam, and then output to the polarization beam combining lens (25);
in step S4, the polarization beam combiner (25) transmits the laser indication beam, and turns the output beam of the half-wave plate (24) into a laser light supplementing beam after turning the optical path, and performs polarization beam combining output with the laser indication beam.
9. The control method of the variable-focus laser infrared light filling lamp with the laser indication function according to claim 7, wherein the control method comprises the following steps: in step S3, when the laser wavelengths output by the laser indication light source (11) and the laser light supplementing light source (21) are different, the output light source of the laser light supplementing light source (21) is collimated by the laser light supplementing collimating mirror (22) and then output to the reflecting mirror (23);
in step S4, the reflecting mirror (23) transmits the laser indication beam, and turns the output beam of the laser light-compensating collimator (22) into a laser light-compensating beam.
10. The control method of the variable-focus laser infrared light filling lamp with the laser indication function according to claim 7, wherein the control method comprises the following steps: in step S4, the divergence angle of the laser light-compensating beam may also be changed by adjusting the front-rear position of the convex lens (32) to perform zooming;
the laser indicating beam and the laser light supplementing beam can also be output independently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310431838.5A CN116520619A (en) | 2023-04-21 | 2023-04-21 | Zoom laser infrared light supplementing lamp with laser indication function and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310431838.5A CN116520619A (en) | 2023-04-21 | 2023-04-21 | Zoom laser infrared light supplementing lamp with laser indication function and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116520619A true CN116520619A (en) | 2023-08-01 |
Family
ID=87389611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310431838.5A Pending CN116520619A (en) | 2023-04-21 | 2023-04-21 | Zoom laser infrared light supplementing lamp with laser indication function and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116520619A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117013356A (en) * | 2023-09-25 | 2023-11-07 | 深圳活力激光技术有限公司 | Semiconductor laser assembly |
-
2023
- 2023-04-21 CN CN202310431838.5A patent/CN116520619A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117013356A (en) * | 2023-09-25 | 2023-11-07 | 深圳活力激光技术有限公司 | Semiconductor laser assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10690912B2 (en) | Prismatic AR display device | |
| WO2020010703A1 (en) | Optical system, head-mounted display device, and smart glasses | |
| CN109283774B (en) | Projection lens and projection system | |
| EP1019773B1 (en) | Displaced aperture beamsplitter for laser transmitter/receiver opto mechanical system | |
| CN108107570B (en) | double-DMD zooming infrared medium/long wave scene simulation system | |
| CN116520619A (en) | Zoom laser infrared light supplementing lamp with laser indication function and control method | |
| CN111708133A (en) | Device and method for coupling single-mode optical fiber by laser with large divergence angle | |
| CN219657952U (en) | Two-dimensional pupil expansion module and optical display system | |
| CN112526531B (en) | Dual-view-field infrared imaging system with multi-target laser ranging function | |
| CN112198665B (en) | Array waveguide near-to-eye display device | |
| WO2022052000A1 (en) | Composite prism based on isosceles prism, and laser ranging telescope comprising composite prism | |
| JP2019124649A (en) | Light radiation device, object information detector, method for adjusting optical path, method for detecting object information, and optical modulation unit | |
| US20230359054A1 (en) | Transmitting-receiving coaxial laser ranging device and optical module | |
| CN113630183B (en) | Multi-light-path optical axis automatic coaxial laser communication ground terminal and coaxial control method | |
| US11644673B2 (en) | Near-eye optical system | |
| CN108572493B (en) | MEMS galvanometer laser micro-display | |
| CN210720881U (en) | Coaxial near-to-eye display system based on free-form surface reflection | |
| CN209979927U (en) | Processing device and aiming device for holographic aiming optical element | |
| CN113959262B (en) | Optical axis pupil calibration method for light beam tracking equipment | |
| CN113933939B (en) | Laser communication coupling device and optical axis correction method based on same | |
| CN109477965B (en) | Light and thin optical imaging system with free-form surface in direction of common optical axis | |
| CN214795415U (en) | Near-to-eye display device | |
| CN213122366U (en) | Large divergence angle laser coupling single mode fiber device | |
| CN111694211A (en) | Projection system and AR display device | |
| CN106610528A (en) | Long-wave infrared and short-wave infrared composite collimation optical system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |