CN112505878A - Imaging device and bore hole imaging system that infrared laser light path was adjusted - Google Patents
Imaging device and bore hole imaging system that infrared laser light path was adjusted Download PDFInfo
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- CN112505878A CN112505878A CN202011423918.9A CN202011423918A CN112505878A CN 112505878 A CN112505878 A CN 112505878A CN 202011423918 A CN202011423918 A CN 202011423918A CN 112505878 A CN112505878 A CN 112505878A
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- 238000003384 imaging method Methods 0.000 title claims abstract description 52
- 230000004075 alteration Effects 0.000 claims description 6
- 230000008030 elimination Effects 0.000 claims description 2
- 238000003379 elimination reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
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- 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
- G02B7/105—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 with movable lens means specially adapted for focusing at close distances
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Abstract
The invention discloses an imaging device for adjusting an infrared laser light path and a naked eye imaging system. In the device, a target light source emits light, after the light is filtered by a long-pass filter, the rest scattered light is collected and converged by a first plano-convex lens, is projected onto a second plano-convex lens through a light-passing small hole, is focused on a miniature CCD camera through the second plano-convex lens, and finally obtains an imaging light spot on an imaging screen. In the system, after a person observes an imaging light spot by naked eyes, the distance between the first plano-convex lens and the second plano-convex lens is adjusted by the lens distance adjusting device, so that the control of imaging magnification is realized.
Description
Technical Field
The invention relates to the technical field of optics, in particular to an imaging device for adjusting an infrared laser light path and a naked eye imaging system.
Background
Because of the invisibility of infrared laser to naked eyes and the burning danger of laser to human eyes, the traditional method generally selects to use an infrared laser observation card to observe infrared laser spots and use a slow-decay phosphor fluorescent alignment disc and the like to adjust the light path collimation when adjusting the light path of the infrared laser. However, this adjustment method has a problem that when the adjustment of the optical path such as the Fabry-Peort resonator is performed, since the incident light, the reflected light, and the transmitted light exist on the same axis at the same time, it is difficult to perform observation of all the lights at the same time, and thus the difficulty of detection becomes large; secondly, an aluminum cylinder with the diameter of 2mm is arranged on a light transmission axis in the resonant cavity to avoid the heat distribution effect of the laser, and due to the existence of reflected light, the uncertainty of detection is increased because it is difficult to judge whether the laser passes through the aluminum cylinder by naked eyes. Therefore, there is a need for an imaging device capable of adjusting an infrared laser light path with naked eyes and reducing the difficulty of adjustment.
Disclosure of Invention
In view of this, the invention provides an imaging device for adjusting an infrared laser light path and a naked eye imaging system, so as to achieve the purposes of adjusting the infrared laser light path by naked eyes and reducing the adjustment difficulty.
In order to achieve the purpose, the technical scheme of the invention is as follows: the device comprises a target light source, a long-pass filter, a first plano-convex lens and a second plano-convex lens which are completely identical, a lens distance adjusting device, a light-passing small hole, a miniature CCD camera, an imaging screen, a shading sleeve and a miniature power supply.
The target light source is installed outside the shading sleeve, the long-pass filter, the first plano-convex lens, the light passing small hole, the second plano-convex lens, the miniature CCD camera and the imaging screen are sequentially installed in the shading sleeve, the miniature power supply is installed on the side face of the shading sleeve and is located on the same plane with the miniature CCD camera, and the lens distance adjusting device is installed on the side face of the shading sleeve and is located on the same plane with the light passing small hole.
Further, light is emitted by the target light source, after the light is filtered by the long-pass filter, the rest scattered light is collected and converged by the first plano-convex lens, is projected onto the second plano-convex lens through the light-passing small hole, is focused on the miniature CCD camera through the second plano-convex lens, and finally, an imaging light spot visible to naked eyes is obtained on the imaging screen.
Further, lens apart from adjusting device includes knob, screw rod, first slider base, second slider base and device base, and the relation of connection is:
the screw rod is driven by the knob, the screw rod is connected with the first slider base of the first plano-convex lens and the second slider base of the second plano-convex lens through the screw holes and threads, and the first slider base and the second slider base slide on the device base, so that the distance between the first plano-convex lens and the second plano-convex lens is adjusted.
Further, the focal length of the first plano-convex lens and the second plano-convex lens is 50 mm.
The light-transmitting aperture limits the light-transmitting aperture, so that the diffraction aberration and distortion in the aberration are eliminated, and the limit range of the light-transmitting aperture is 0-10 mm.
The invention provides an infrared laser light path adjusting naked eye imaging system which comprises an infrared laser light path adjusting imaging device and a naked eye.
The target light source emits light, an imaging light spot is obtained through the imaging device adjusted by the infrared laser light path, and the imaging light spot is observed by naked eyes to adjust the light path.
Has the advantages that: the imaging device and the naked eye imaging system for adjusting the infrared laser light path can avoid the danger and the invisibility of infrared laser light and realize the naked eye adjustment of the light path; meanwhile, the whole adjusting process can be seen by naked eyes during adjustment, so that the difficulty in adjusting the light path is reduced; the distance between the two plano-convex lenses is adjusted through the lens distance adjusting device, and the control of the magnification of the light path is realized.
Drawings
Fig. 1 is a structural diagram of an infrared laser light path adjusting imaging device provided by the invention.
Fig. 2 is a detailed view of the lens distance adjusting means.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
As shown in fig. 1, the imaging device and the naked eye imaging system for adjusting the infrared laser light path include a target light source 1, a long pass filter 2, a first plano-convex lens 3 and a second plano-convex lens 6 which are completely the same, a lens distance adjusting device 4, a light passing aperture 5, a micro CCD camera 7, an imaging screen 8, a light shielding sleeve 9 and a micro power supply 10.
As shown in fig. 1, the target light source 1 is installed outside the light shielding sleeve 9, the long pass filter 2, the first plano-convex lens 3, the light passing small hole 5, the second plano-convex lens 6, the micro CCD camera 7 and the imaging screen 8 are sequentially installed in the light shielding sleeve 9, the micro power supply 10 is installed on the side surface of the light shielding sleeve 9 and is in the same plane with the micro CCD camera 7, and the lens distance adjusting device 4 is installed on the side surface of the light shielding sleeve 9 and is in the same plane with the light passing small hole 5.
Further, after light is emitted by the target light source 1 and filtered by the long-pass filter 2, the rest scattered light is collected and converged by the first plano-convex lens 3, is projected onto the second plano-convex lens 6 through the light-passing small hole 5, is focused on the micro CCD camera 7 through the second plano-convex lens 6, and finally obtains an imaging light spot visible to the naked eye 11 on the imaging screen 8.
Further, as shown in fig. 2, the lens distance adjusting device 4 includes a knob 12, a screw 13, a first slider base 14, a second slider base 15, and a device base 16, and the connection relationship is as follows:
the screw 13 is driven by the knob 12, the screw 13 is connected with the first slider base 14 of the first plano-convex lens 3 and the second slider base 15 of the second plano-convex lens 6 through screw holes and threads, and the first slider base 14 and the second slider base 15 slide on the device base 16, so that the distance between the first plano-convex lens 3 and the second plano-convex lens 6 is adjusted.
Further, the focal length of the first plano-convex lens 3 and the second plano-convex lens 6 is 50 mm. The light-transmitting aperture 5 limits the light-transmitting aperture, and the elimination of diffraction aberration and distortion in aberration is realized. The limiting range of the light-transmitting caliber 5 is 0-10 mm.
The naked eye imaging system for adjusting the infrared laser light path comprises an imaging device for adjusting the infrared laser light path and a naked eye 11. The target light source 1 emits light, an imaging light spot is obtained through an imaging device adjusted by an infrared laser light path, and the imaging light spot is observed by a naked eye 11 to adjust the light path.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An imaging device for infrared laser light path adjustment, comprising:
the device comprises a target light source (1), a long-pass filter (2), a first plano-convex lens (3) and a second plano-convex lens (6) which are completely identical, a lens distance adjusting device (4), a light-passing small hole (5), a micro CCD camera (7), an imaging screen (8), a shading sleeve (9) and a micro power supply (10);
target light source (1) is installed shading sleeve (9) are outside, long pass through filter (2) first plano-convex lens (3) lead to light aperture (5) second plano-convex lens (6) miniature CCD camera (7) with imaging screen (8) are installed in proper order in shading sleeve (9), install miniature power (10) the side of shading sleeve (9), with miniature CCD camera (7) are in the coplanar, install lens distance adjusting device (4) the side of shading sleeve (9), with lead to light aperture (5) and be located the coplanar.
2. The imaging device according to claim 1, wherein the target light source (1) emits light, and after the light is filtered by the long pass filter (2), the remaining scattered light is collected and converged by the first plano-convex lens (3), projected onto the second plano-convex lens (6) through the light-passing small hole (5), focused on the micro CCD camera (7) through the second plano-convex lens (6), and finally obtained as an imaging light spot visible to the naked eye on the imaging screen (8).
3. The imaging device according to claim 1, characterized in that the lens distance adjusting device (4) comprises a knob (12), a screw (13), a first slider base (14), a second slider base (15) and a device base (16) in a connection relationship:
the knob (12) drives the screw rod (13), the screw rod (13) is connected with a first sliding block base (14) and a second sliding block base (15) of the first plano-convex lens (3) and the second plano-convex lens (6) through screw holes and threads, the first sliding block base (14) and the second sliding block base (15) slide on the device base (16), and the distance between the first plano-convex lens (3) and the second plano-convex lens (6) is adjusted.
4. The imaging apparatus according to claim 1, wherein the focal length of the first plano-convex lens (3) and the second plano-convex lens (6) is 50 mm;
the light-transmitting aperture limits the light-transmitting aperture, and the elimination of diffraction aberration and distortion in aberration is realized.
5. The imaging apparatus according to claim 1, wherein the clear aperture is limited to 0 to 10 mm.
6. The utility model provides an bore hole imaging system that infrared laser light path was adjusted which characterized in that includes:
the imaging device for adjusting the infrared laser light path and the naked eye (11);
the target light source (1) emits light, the imaging light spot is obtained through the imaging device adjusted by the infrared laser light path, and the imaging light spot is observed by naked eyes (11) to adjust the light path.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010996308 | 2020-09-21 | ||
| CN2020109963081 | 2020-09-21 |
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| Publication Number | Publication Date |
|---|---|
| CN112505878A true CN112505878A (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011423918.9A Pending CN112505878A (en) | 2020-09-21 | 2020-12-08 | Imaging device and bore hole imaging system that infrared laser light path was adjusted |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050154318A1 (en) * | 2003-10-30 | 2005-07-14 | Sony Corporation | Image apparatus and method, and communication terminal device |
| CN102236174A (en) * | 2010-04-28 | 2011-11-09 | 北京国科世纪激光技术有限公司 | Spatial filtering system |
| US20140293439A1 (en) * | 2011-12-28 | 2014-10-02 | Olympus Imaging Corp. | Optical instrument |
| CN204230629U (en) * | 2014-12-22 | 2015-03-25 | 厦门大学 | A kind of external-cavity semiconductor laser optical path adjustment device |
| CN106908929A (en) * | 2017-04-28 | 2017-06-30 | 中山联合光电科技股份有限公司 | A kind of lens construction of application shaft coupling |
| CN208506384U (en) * | 2018-06-26 | 2019-02-15 | 南京理工大学紫金学院 | A kind of stereoscopic imaging apparatus |
-
2020
- 2020-12-08 CN CN202011423918.9A patent/CN112505878A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050154318A1 (en) * | 2003-10-30 | 2005-07-14 | Sony Corporation | Image apparatus and method, and communication terminal device |
| CN102236174A (en) * | 2010-04-28 | 2011-11-09 | 北京国科世纪激光技术有限公司 | Spatial filtering system |
| US20140293439A1 (en) * | 2011-12-28 | 2014-10-02 | Olympus Imaging Corp. | Optical instrument |
| CN204230629U (en) * | 2014-12-22 | 2015-03-25 | 厦门大学 | A kind of external-cavity semiconductor laser optical path adjustment device |
| CN106908929A (en) * | 2017-04-28 | 2017-06-30 | 中山联合光电科技股份有限公司 | A kind of lens construction of application shaft coupling |
| CN208506384U (en) * | 2018-06-26 | 2019-02-15 | 南京理工大学紫金学院 | A kind of stereoscopic imaging apparatus |
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Application publication date: 20210316 |