CN220251320U - Light splitting detection device for polarization beam splitting prism - Google Patents
Light splitting detection device for polarization beam splitting prism Download PDFInfo
- Publication number
- CN220251320U CN220251320U CN202320497163.XU CN202320497163U CN220251320U CN 220251320 U CN220251320 U CN 220251320U CN 202320497163 U CN202320497163 U CN 202320497163U CN 220251320 U CN220251320 U CN 220251320U
- Authority
- CN
- China
- Prior art keywords
- ring seat
- detection device
- beam splitter
- polarization beam
- outer ring
- 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.)
- Active
Links
- 230000010287 polarization Effects 0.000 title claims abstract description 70
- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 238000012360 testing method Methods 0.000 claims abstract description 49
- 230000008859 change Effects 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses a light splitting detection device for a polarization splitting prism, which comprises: an outer case; the test platform is arranged in the outer box body; the testing platform comprises an inner ring seat for storing the polarization beam splitter prism to be tested and an outer ring seat rotationally connected with the inner ring seat, a beam splitter detection device array arranged on the outer ring seat is distributed on the outer side of the inner ring seat, and the outer ring seat drives the beam splitter detection device to deflect so as to change the angle between a test beam of the beam splitter detection device and the plane of the polarization beam splitter prism; and a laser angle receiving assembly for measuring the angle between the polarization beam splitting prism and the test beam of the beam splitting detection device is arranged on the outer ring seat. The laser angle receiving assembly tests the included angle between the polarization beam splitter prism and the test beam of the beam splitting detection device, can accurately calculate the incident angle, and acquires accurate beam splitting effect data of the polarization beam splitter prism at different angles.
Description
Technical Field
The utility model relates to an optical lens detection technology, in particular to a light splitting detection device for a polarization splitting prism.
Background
The polarization beam splitter prism is an optical element which is formed by plating a multilayer film structure on the inclined plane of a right angle prism, and then gluing the multilayer film structure into a cube structure, wherein the light passes through the multilayer film structure for a plurality of times at the Brewster angle by utilizing the property that the P polarized light transmittance is 1 and the S polarized light transmittance is less than 1 when the light is incident at the Brewster angle, and the P polarized component is completely transmitted and most of the S polarized component is reflected (at least more than 90 percent).
Because the refractive index of the P polarized light and the refractive index of the S polarized light are in certain connection with the incident angle, the incident angle is calculated by passively recording the angle of the rotating polarization beam splitter prism of the synchronous motor aiming at the beam splitting detection device between the refractive index of the P polarized light and the refractive index of the S polarized light of the polarization beam splitter prism, the incident angle cannot be accurately calculated, and the accurate beam splitting effect data of the polarization beam splitter prism under different angles cannot be obtained.
Disclosure of Invention
The utility model aims to provide a light splitting detection device for a polarization beam splitting prism, which is used for solving the technical problems in the prior art, and can accurately calculate an incident angle and acquire light splitting effect data of the polarization beam splitting prism under the accurate angle.
The utility model provides a spectroscopic detection device for a polarization beam splitter prism,
comprising the following steps:
an outer case;
the test platform is arranged in the outer box body;
the testing platform comprises an inner ring seat for storing the polarization beam splitter prism to be tested and an outer ring seat rotationally connected with the inner ring seat, a beam splitter detection device array arranged on the outer ring seat is distributed on the outer side of the inner ring seat, and the outer ring seat drives the beam splitter detection device to deflect so as to change the angle between a test beam of the beam splitter detection device and the plane of the polarization beam splitter prism; and a laser angle receiving assembly for measuring the angle between the polarization beam splitting prism and the test beam of the beam splitting detection device is arranged on the outer ring seat.
In the technical scheme of this embodiment, insert the polarization beam splitter prism that awaits measuring in the spacing groove, accomplish polarization beam splitter prism and lay the back, utilize laser angle receiving module to test out the contained angle of polarization beam splitter prism and beam splitter detection device test light beam earlier, drive module carries out synchronous adjustment, rotate outer ring seat and change beam splitter detection device's position for polarization beam splitter prism plane is in the vertical state with test light beam, start beam splitter detection device's test, select suitable rotation angle afterwards, change test light beam and polarization beam splitter prism planar contained angle, test light beam and polarization beam splitter prism planar contained angle be the incident angle, acquire polarization beam splitter prism polarization beam splitting's angle range and relevant optical parameter data.
Preferably, the height of the inner ring seat is lower than that of the outer ring seat, a limiting groove is arranged in the center of the top of the inner ring seat, and the height of the limiting groove exceeds the top surface of the inner ring seat and is flush with the outer ring seat.
Preferably, the spectroscopic detection device comprises a light emitting component and a plurality of groups of receiving components; the luminous component and the receiving component are distributed at the top end of the outer ring seat.
Preferably, the cross section of the limiting groove is of a square structure, a plurality of groups of fixing components are arranged on the inner wall of the limiting groove, and different fixing components are distributed on different planes of the inner wall of the limiting groove to form a polarization splitting prism placement area.
Preferably, the fixing assembly includes:
a spring piece fixed on the inner wall of the limit groove;
the support plate is nested and assembled on the spring piece;
wherein, the supporting plate structure is the arc, and the limiting groove inner wall is kept away from to the supporting plate arc limit, and polarization beam splitter prism is connected with the supporting plate contact.
Preferably, the laser angle receiving assembly is arranged on the inner wall of the outer ring seat, and the arrangement direction of the laser angle receiving assembly and the arrangement direction of the light emitting assembly are in the same horizontal direction; the emitted light beam emitted by the laser angle receiving component is parallel to the test light beam emitted by the light emitting component.
Preferably, the outer case includes:
a base;
side plates respectively arranged at two sides of the base;
a baffle plate slidably connected between the side plates;
and an auxiliary equipment area positioned at the top of the side plate.
Compared with the prior art, the utility model utilizes the laser angle receiving assembly to emit light beams to the plane of the limit groove beyond the inner ring seat part, thereby judging the incidence angle between the test light beams of the light splitting detection device and the plane of the polarization beam splitting prism placed in the limit groove, and acquiring more accurate optical data of the polarization beam splitting prism by recording the optical performance of the test light beams with different incidence angles after being split by the polarization beam splitting prism and utilizing the laser angle receiving assembly to accurately acquire the light splitting effect of the polarization beam splitting prism under different angles; the processing precision of the polarization beam splitter prism can also be judged.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of the structure of the test platform of the present utility model;
FIG. 3 is a schematic view of the side plate movement structure of the present utility model;
FIG. 4 is a top view of the test platform structure of the present utility model;
FIG. 5 is a schematic view of the structure of the fixing assembly of the present utility model;
FIG. 6 is a schematic diagram of the internal structure of the test platform according to the present utility model.
Reference numerals illustrate: 100. an outer case; 110. a base; 120. a side plate; 130. an auxiliary equipment area; 140. a baffle; 200. a test platform; 210. an inner ring seat; 211. a driving motor; 212. a transmission bearing; 220. an outer ring seat; 230. a limit groove; 240. a fixing assembly; 241. a spring piece; 242. a support plate; 250. a laser angle receiving assembly; 310. a light emitting assembly; 320. a receiving component.
Detailed Description
Embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical solutions of the present application, and thus are only examples, and are not intended to limit the scope of protection of the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions.
In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, which means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural sheets" refers to two or more (including two).
In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present application and for simplifying the description, rather than indicating or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.
In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 6, an embodiment of the present utility model provides a spectroscopic detection apparatus for a polarization beam splitter prism, including:
an outer case 100;
a test platform 200 provided inside the outer case;
the test platform 200 comprises an inner ring seat 210 for storing a polarization beam splitter prism to be tested and an outer ring seat 220 rotatably connected with the inner ring seat, a beam splitter detection device array arranged on the outer ring seat 220 is distributed outside the inner ring seat 210, and the outer ring seat 220 drives the beam splitter detection device to deflect so as to change the angle between a test beam of the beam splitter detection device and the plane of the polarization beam splitter prism; the outer ring base 220 is provided with a laser angle receiving assembly 250 for measuring the angle between the polarizing beam splitter prism and the test beam of the beam splitting detection device.
In the technical scheme of the embodiment of the application, the polarizing beam-splitting prism structure is a cuboid, the cross section of the bottom is square, the polarizing coating is positioned at the diagonal position of the square, the included angle between the polarizing coating and the side surface of the polarizing beam-splitting prism is 45 degrees, and in the testing process, the polarizing beam-splitting prism needs to test multiple angles of incident light beams, so that the optical performance of the polarizing beam-splitting prism is judged;
the light splitting detection device comprises a light emitting component 310 and a plurality of groups of receiving components 320, wherein an included angle between the light emitting component 310 and the receiving components 320 is 90 degrees or 180 degrees, and the light emitting component 310 and the plurality of groups of receiving components 320 are fixedly arranged at the top end of the outer ring seat 220; the light emitting component 310 and the multiple groups of receiving components 320 are in the prior art, and the light emitted by the light emitting component 310 is collected by the receiving components 320 after being split by the polarization splitting prism, so as to calculate the optical performance data of the light and judge the optical performance of the polarization splitting prism;
the height of the inner ring seat 210 is lower than that of the outer ring seat 220, the height of the limit groove 230 positioned at the center of the inner ring seat 210 is the same as that of the outer ring seat 220, and the arrangement direction of the laser angle receiving assembly 250 and the light emitting assembly 310 arranged on the inner wall of the outer ring seat 220 is in the same horizontal direction; the test light beams of the light emitting component 310 of the light emitting component 250 are parallel, the light emitting component 250 emits light beams to the plane of the part of the limit groove 230, which exceeds the inner ring seat 210, so as to judge the included angle between the plane of the polarization beam splitting prism placed in the limit groove 230 and the test light beams, and the optical performance of the test light beams with different incidence angles after being split by the polarization beam splitting prism is recorded, so that whether the polarization beam splitting prism meets the processing requirement or not is judged, and whether a processing error exists or not is judged;
the laser angle receiving assembly 250 is in the prior art, and can achieve the deflection angle of the plane of the limit groove 230, and the included angle between the emitted light beam of the laser angle receiving assembly 250 and the plane of the limit groove 230 can be obtained through conversion calculation, while the plane of the polarization beam splitter prism is parallel to the plane of the limit groove 230, and the emitted light beam of the laser angle receiving assembly 250 is parallel to the test light beam of the light emitting assembly 310;
in the embodiment provided in the application, the outer case 100 mainly includes a base 110, side plates 120 respectively arranged on two sides of the base 110, and an auxiliary device area 130 located on top of the side plates 120; a baffle 140 is slidably connected between the side plates 120, before the test is required, the baffle 140 is opened to place a polarization beam splitter prism, and before the test is performed, the baffle 140 is closed, so that the influence of ambient light entering a region to be tested on the test effect is reduced; the outer case 100 adopts the prior art means, and the baffle 140 has an arc structure and can be accommodated in the auxiliary equipment area 130;
in the embodiment provided in this application, the limiting groove 230 is located at the top center of the inner ring seat 210, the limiting groove 230 partially extends beyond the top surface of the inner ring seat 210, the cross section of the limiting groove 230 is in a square structure, multiple groups of fixing assemblies 240 are disposed on the inner wall of the limiting groove 230, and different fixing assemblies 240 are distributed on the inner walls of different planes of the limiting groove 230 to form a polarization splitting prism placement area;
in the technical solution of the embodiment of the present application, the fixing assembly 240 includes a spring piece 241 and a support plate 242 nested and assembled on the spring piece 241; the spring piece 241 is in an arc structure, the arc edge of the spring piece 241 is far away from the inner wall of the limit groove 230, the plane of the support plate 242 far away from the spring piece 241 is made of silica gel, the polarization beam splitter prism is inserted into the limit groove 230 during detection, and the fixing components 240 positioned around the polarization beam splitter prism can inwards squeeze the polarization beam splitter prism, so that the polarization beam splitter prism obtains a clamping force, and the stability in the test process is maintained;
in the embodiment provided in the application, the inner ring seat 210 is fixed on the base 110, the bottom of the outer ring seat 220 is provided with a sliding block, the sliding block is assembled in an annular track provided on the base 110, and the inner ring seat 210 and the outer ring seat 220 are rotationally connected through a driving module;
in the technical solution of the embodiment of the present application, the inner ring seat 210 is a fixed platform, and has no motion function; the driving module comprises a driving motor 211 arranged at the bottom edge of the inner ring seat 210 and a transmission bearing 212 arranged between the inner ring seat 210 and the outer ring seat 220; the transmission bearing 212 is simultaneously connected to the driving motor 211 and a gear ring arranged at the inner edge of the bottom of the outer ring seat 220 in a rotating way; under the action of the driving motor 211, the outer ring seat 220 rotates around the inner ring seat 210, and the driving modes among the driving motor 211, the outer ring seat 220 and the inner ring seat 210 are all solved by adopting the prior art means; the driving motor 211 is a stepping motor, so that the deflection angle can be accurately controlled; the outer ring seat 220 rotates around the inner ring seat 210 to enable the polarization beam splitter prism to be tested to be in a static state, so that stability of the polarization beam splitter prism in a testing process is improved, and higher testing precision is obtained;
the application method of the utility model comprises the following steps: after the baffle 140 is opened, the polarization splitting prism to be detected is inserted into the limit groove 230, after the polarization splitting prism is placed, the baffle 140 is closed, the laser angle receiving assembly 250 and the light splitting detection device are started, the laser angle receiving assembly 250 tests the included angle between the polarization splitting prism and the test beam of the light splitting detection device, the driving module synchronously adjusts, the outer ring seat 220 is rotated to change the position of the light splitting detection device, the plane of the polarization splitting prism and the test beam are in a vertical state, the light splitting detection device is started to test, then a proper rotation angle is selected, the included angle between the test beam and the plane of the polarization splitting prism is changed, and the angle range of polarization splitting of the polarization splitting prism and relevant optical parameter data are obtained;
the foregoing description of the preferred embodiments of the utility model should not be taken as limiting the scope of the utility model, but all changes and modifications that come within the meaning and range of equivalents of the utility model are intended to be embraced therein.
Claims (7)
1. A spectroscopic detection device for a polarization beam splitter prism is characterized in that,
comprising the following steps:
an outer case;
the test platform is arranged in the outer box body;
the testing platform comprises an inner ring seat for storing the polarization beam splitter prism to be tested and an outer ring seat rotationally connected with the inner ring seat, a beam splitter detection device array arranged on the outer ring seat is distributed on the outer side of the inner ring seat, and the outer ring seat drives the beam splitter detection device to deflect so as to change the angle between a test beam of the beam splitter detection device and the plane of the polarization beam splitter prism; and a laser angle receiving assembly for measuring the angle between the polarization beam splitting prism and the test beam of the beam splitting detection device is arranged on the outer ring seat.
2. A spectroscopic detection device for a polarization beam splitter prism according to claim 1, wherein: the height of the inner ring seat is lower than that of the outer ring seat, a limiting groove is formed in the center of the top of the inner ring seat, and the height of the limiting groove exceeds the top surface of the inner ring seat and is flush with the outer ring seat.
3. A spectroscopic detection device for a polarization beam splitter prism according to claim 2, wherein: the light splitting detection device comprises a light emitting component and a plurality of groups of receiving components; the luminous component and the receiving component are distributed at the top end of the outer ring seat.
4. A spectroscopic detection device for a polarization beam splitter prism according to claim 3, wherein: the cross section of the limiting groove is of a square structure, a plurality of groups of fixing components are arranged on the inner wall of the limiting groove, and different fixing components are distributed on different planes of the inner wall of the limiting groove to form a polarization splitting prism placement area.
5. The spectroscopic detection device for a polarization beam splitter prism according to claim 4, wherein: the fixing assembly includes:
a spring piece fixed on the inner wall of the limit groove;
the support plate is nested and assembled on the spring piece;
wherein, the supporting plate structure is the arc, and the limiting groove inner wall is kept away from to the supporting plate arc limit, and polarization beam splitter prism is connected with the supporting plate contact.
6. A spectroscopic detection device for a polarization beam splitter prism according to claim 5, wherein: the laser angle receiving assembly is arranged on the inner wall of the outer ring seat, and the arrangement direction of the laser angle receiving assembly and the arrangement direction of the light emitting assembly are in the same horizontal direction; the emitted light beam emitted by the laser angle receiving component is parallel to the test light beam emitted by the light emitting component.
7. The spectroscopic detection device for a polarization beam splitter prism according to claim 6, wherein: the outer box includes:
a base;
side plates respectively arranged at two sides of the base;
a baffle plate slidably connected between the side plates;
and an auxiliary equipment area positioned at the top of the side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320497163.XU CN220251320U (en) | 2023-03-15 | 2023-03-15 | Light splitting detection device for polarization beam splitting prism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320497163.XU CN220251320U (en) | 2023-03-15 | 2023-03-15 | Light splitting detection device for polarization beam splitting prism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220251320U true CN220251320U (en) | 2023-12-26 |
Family
ID=89267048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320497163.XU Active CN220251320U (en) | 2023-03-15 | 2023-03-15 | Light splitting detection device for polarization beam splitting prism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220251320U (en) |
-
2023
- 2023-03-15 CN CN202320497163.XU patent/CN220251320U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20160266362A1 (en) | Compact Microscope | |
| CN110567685A (en) | Device and method for detecting refractive index of lens | |
| US20080225294A1 (en) | Apparatus for checking concentricity and method for checking same | |
| CN1714740A (en) | Ophthalomologic apparatus | |
| CN111044260B (en) | Microscope objective distortion testing device and testing method | |
| CN110793755A (en) | Knife edge device and method for measuring focal length in installation and adjustment of long-focus reflection telescope | |
| CN113030921B (en) | Multi-line laser radar optical machine adjusting device and detection method of rotating mirror module | |
| CN106249222A (en) | A kind of femtosecond laser tracker optical axis geometric error caliberating device | |
| CN220251320U (en) | Light splitting detection device for polarization beam splitting prism | |
| JP2000097699A (en) | Automatic surveying instrument | |
| JP2010025876A (en) | Micro-distance measuring method and device | |
| CN112304574A (en) | Image quality testing device and method for optical system with optical despin assembly | |
| US7027369B1 (en) | Optical pickup apparatus for simultaneously reading data from a plurality of tracks of an optical disc | |
| JP2000230883A (en) | Decentering measuring apparatus and its adjusting method | |
| CN216669217U (en) | Waveguide lens detection device | |
| JP2000275043A (en) | Tracking device for automatic survey machine | |
| CN204855140U (en) | Three probe focus measuring device of grating chi based on compound lens method | |
| KR0175124B1 (en) | A pick-up base test device of optical pick-up actuator | |
| CN220064486U (en) | Light splitting prism and light splitting prism assembly mechanism | |
| CN219723765U (en) | Reflection light path sight glass mechanism and look selection machine | |
| CN117590361B (en) | Optical axis center testing method | |
| CN116105983B (en) | Optical axis parallelism auto-collimation detection device and method for visible light multi-optical-path system | |
| CN116086360B (en) | Straightness error separation device and straightness error separation method for large-stroke OLED (organic light emitting diode) ink-jet printer | |
| CN113465739B (en) | Image slicer detection device and method | |
| CN110703451B (en) | System and method for installing and adjusting beam splitter prism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |