CN115657406A - Full-aluminum free-form surface camera - Google Patents
Full-aluminum free-form surface camera Download PDFInfo
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- CN115657406A CN115657406A CN202211387213.5A CN202211387213A CN115657406A CN 115657406 A CN115657406 A CN 115657406A CN 202211387213 A CN202211387213 A CN 202211387213A CN 115657406 A CN115657406 A CN 115657406A
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- reflector
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- light shield
- frame
- form surface
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 20
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 14
- 239000000956 alloy Substances 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 12
- 238000009966 trimming Methods 0.000 claims description 7
- 238000003754 machining Methods 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 9
- 201000009310 astigmatism Diseases 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000003384 imaging method Methods 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 3
- 239000005350 fused silica glass Substances 0.000 abstract description 3
- 239000006185 dispersion Substances 0.000 abstract 1
- 229910052790 beryllium Inorganic materials 0.000 description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention provides an all-aluminum free-form surface camera, which mainly solves the technical problems that the camera in the existing off-axis three-mirror astigmatism-dispersion optical system usually needs a larger volume to realize the purpose of large-field-of-view imaging, and the camera is usually made of SiC, fused quartz, beryllium-aluminum alloy and the like, has a longer processing period and higher cost, and is difficult to meet the requirements of the current space remote sensing and load detection on rapid development progress and low cost. The novel glasses comprise a glasses frame, a bottom plate and a cover plate which are respectively arranged on two opposite sides of the glasses frame, an outer light shield arranged on the outer side of the glasses frame, and an inner light shield, a first reflector, a first light shield, a second reflector, a third reflector and a second light shield which are arranged in the glasses frame; the bottom plate, the cover plate, the outer lens hood, the mirror frame, the inner lens hood, the first reflector, the second reflector, the third reflector, the first lens hood and the second lens hood are all made of aluminum alloy materials; the surface types of the first reflector, the second reflector and the third reflector are free-form surfaces.
Description
Technical Field
The invention relates to a camera, in particular to an all-aluminum free-form surface camera.
Background
An optical system commonly used in the field of space remote sensing and detection at present is an off-axis three-mirror astigmatism-resolved optical system, and with the increasing demand of space technology on large field of view and high resolution, the clear aperture and the volume of a camera in the off-axis three-mirror astigmatism-resolved optical system are increased, and the weight of the camera is increased, so that the assembly, adjustment and manufacturing cost of the camera in the off-axis three-mirror astigmatism-resolved optical system are increased.
The camera in the existing off-axis three-mirror astigmatism optical system usually needs a larger volume to realize the purpose of large-field imaging; and the camera is usually made of SiC, fused quartz, beryllium aluminum alloy and the like, has a long processing period and high cost, and is difficult to meet the requirements of rapid development progress and low cost of the current space remote sensing and load detection.
Disclosure of Invention
The invention aims to solve the problem that the camera in the existing off-axis three-mirror astigmatism optical system usually needs a larger volume to realize the purpose of large-field imaging; and the camera is made of SiC, fused quartz, beryllium aluminum alloy and the like, has long processing period and high cost, and is difficult to meet the technical problems of the current space remote sensing and load detection rapid development progress and low cost requirement, thereby providing the all-aluminum free-form surface camera.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an all-aluminum free-form surface camera is characterized in that: the novel glasses comprise a glasses frame, a bottom plate, a cover plate, an outer light shield, an inner light shield, a first reflector, a first light shield, a second reflector, a third reflector and a second light shield, wherein the bottom plate and the cover plate are respectively arranged on two opposite sides of the glasses frame;
the bottom plate, the cover plate, the outer light shield, the picture frame, the inner light shield, the first reflector, the second reflector, the third reflector, the first light shield and the second light shield are all made of aluminum alloy materials; the surface types of the first reflector, the second reflector and the third reflector are free-form surfaces;
a light inlet is formed in the side wall of one side of the mirror frame; the outer lens hood is arranged on the outer side of a light inlet on the picture frame, the inner lens hood is arranged on the inner side of the light inlet on the picture frame and used for allowing input light in a visual field to enter the camera and preventing redundant light outside the visual field from entering the picture frame;
the first reflector is arranged on a side wall of the mirror frame corresponding to the side wall of the light inlet and is positioned on a light path of input light; the first lens hood is arranged at the first reflector on the lens frame and arranged along the light path of the light reflected by the first reflector;
the second reflector is arranged on the side wall of the position of the light inlet in the mirror frame and is positioned on the light path of the light reflected by the first reflector; the third reflector is arranged on the side wall of the position of the first reflector in the mirror frame and is positioned on the light path of the reflected light of the second reflector, and the second lens hood is arranged at the third reflector on the mirror frame; a light outlet is arranged on the picture frame at the position of the light path of the reflected light of the third reflector, and the input light enters the picture frame, is reflected by the first reflector, the second reflector and the third reflector in sequence and then is output to a focal plane A of the camera through the light outlet;
and an external CCD is arranged at the light outlet of the lens frame and used for sensing light output by the camera.
Furthermore, the first reflector, the second reflector and the third reflector are all integrally arranged and comprise a reflector body and three installation flat plates which are uniformly arranged on the peripheral side of the reflector body;
the direction of coaxial syntropy of lathe Y axle is positive Y direction with processing on the definition speculum body, and the installation flat board that is located on the positive Y direction of speculum body keeps away from speculum body one end and is provided with first plane benchmark for when processing the speculum body with the Y axle alignment on the machine tool.
Furthermore, one ends, far away from the reflector body, of the rest two installation flat plates are provided with circumference references for dynamic balance adjustment in the reflector body processing preparation process.
Furthermore, the three mounting flat plates are provided with a second plane reference and a reflector body optical surface which are processed by using the SPDT at the same time towards the front side of the reflector body, so that the precision of the plane reference is ensured, the mounting flat plates are matched with the mirror frame during mounting, and the position precision among the first reflector, the second reflector and the third reflector is improved.
Furthermore, the mounting flat plate is provided with flexible unloading grooves along the axial direction of the reflector body and on two opposite side walls connected with the peripheral side of the reflector body, and the flexible unloading grooves are used for unloading stress generated when the reflector body and the mirror frame are mounted by screws.
Furthermore, the circumferential side of the reflector body is provided with an annular groove for preventing the cutter from contacting with the reflector body when the installation plane is machined and unloading the installation stress.
Furthermore, the outer light shield, the inner light shield, the first reflector, the second reflector, the third reflector, the first light shield and the second light shield are all connected to the mirror frame through aluminum alloy screws;
the bottom plate is connected to the supporting plate through aluminum alloy screws.
Furthermore, a trimming backing plate is arranged between the connecting surfaces of the bottom plate and the supporting plate.
Furthermore, the inner light shield and the outer light shield are both internally provided with light blocking rings.
Furthermore, a CCD adapter is arranged at the light outlet of the mirror frame, and an external CCD is arranged on the mirror frame through the CCD adapter; and a CCD trimming gasket is arranged at the light outlet of the mirror frame.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the first reflector, the second reflector and the third reflector are all set to be free-form surfaces, the first reflector is arranged on the light inlet path of the light inlet, the second reflector is arranged on the reflection light path of the first reflector, the third reflector is arranged on the reflection light path of the second reflector, and the light outlet is arranged on the reflection light path of the third reflector, so that the imaging of a larger view field can be realized in a compact structure, and the camera can realize the purposes of light weight and small volume.
2. All structural parts are made of aluminum alloy, so that the aluminum alloy light-weight heat-resistant composite material is light in weight and easy to process, has the characteristics of inorganic and inorganic heat resistance due to the consistent expansion coefficients of all the structural parts, and is not easy to generate a heat defocusing phenomenon.
3. The reflector body and the mounting flat plate are integrally designed, so that the mounting precision of the first reflector, the second reflector and the third reflector can be ensured, and the mounting steps can be simplified.
4. According to the invention, the accuracy of the first reflector, the second reflector and the third reflector in processing is designed on the installation flat plate according to the first plane reference and the circumference reference, so that the accuracy of the camera is prevented from being reduced due to processing errors; through the second plane benchmark that sets up, can improve when cooperating with the picture frame and can further improve the installation accuracy when first speculum, second speculum and third speculum are installed.
Drawings
FIG. 1 is a cross-sectional view of an all aluminum free form surface camera embodiment of the present invention at a front view perspective;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a schematic structural diagram of a first reflecting mirror, a second reflecting mirror and a third reflecting mirror in an all-aluminum free-form surface camera embodiment of the invention. (FIG. a is a back view, FIG. b is a side sectional view, and FIG. c is a front view)
In the figure, 1-a mirror frame, 2-a bottom plate, 3-a cover plate, 4-an outer lens hood, 5-an inner lens hood, 6-a first reflector, 7-a first lens hood, 8-a second reflector, 9-a third reflector, 10-a second lens hood, 11-a light inlet, 12-a light outlet, 13-a reflector body, 14-an installation flat plate, 141-a first plane reference, 142-a circumference reference, 143-a second plane reference, 144-a flexible unloading groove, 145-a groove, 15-a support plate, 16-a trimming backing plate, 17-a CCD trimming gasket, 18-a CCD adapter and 19-a light blocking ring.
Detailed Description
To make the objects, advantages and features of the present invention more apparent, an all aluminum free form surface camera according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following detailed description. It should be noted that: the drawings are in a very simplified form and are not to scale, simply for the purpose of facilitating and distinctly claiming the embodiments of the present invention; second, the structures shown in the drawings are intended to be part of actual structures.
In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, an all-aluminum free-form surface camera according to the present invention includes a frame 1, a support plate 15, a base plate 2 and a cover plate 3 (shown in fig. 2) respectively disposed on opposite sides of the frame 1, an outer light shield 4 disposed outside the frame 1, and an inner light shield 5, a first reflector 6, a first light shield 7, a second reflector 8, a third reflector 9 and a second light shield 10 disposed inside the frame 1.
In order to reduce the processing difficulty and the weight of the camera, in this embodiment, the bottom plate 2, the cover plate 3, the outer lens hood 4, the lens frame 1, the inner lens hood 5, the first reflector 6, the second reflector 8, the third reflector 9, the first lens hood 7 and the second lens hood 10 are all made of aluminum alloy materials, and specifically, the aluminum alloy materials are 6061-T6; the outer light shield 4, the inner light shield 5, the first reflector 6, the second reflector 8, the third reflector 9, the first light shield 7 and the second light shield 10 are all connected to the spectacle frame 1 through aluminum alloy screws; in the embodiment, the mirror frame 1 is of an integrated structure and is formed by machining a whole aluminum alloy at one time, and compared with the case that an assembly structure is adopted, installation errors can be introduced, and the integrated structure can ensure the mutual position accuracy of the installation positions of the first reflector 6, the second reflector 8 and the third reflector 9; be provided with between the face of being connected of bottom plate 2 and backup pad 15 and repair cutting backing plate 16, the aluminum alloy screw passes bottom plate 2 in proper order, repair cutting backing plate 16 and backup pad 15 and is connected, links bottom plate 2 and backup pad 15 as an organic whole, and the area of backup pad 15 is greater than 2 areas of bottom plate, is provided with a plurality of connection screw holes in backup pad 15 for be connected to the camera in the optical system.
As shown in fig. 1, a light inlet 11 is arranged on the side wall of one side of the spectacle frame 1; the outer light shield 4 is arranged on the outer side of the light inlet 11 on the picture frame 1, the inner light shield 5 is arranged on the inner side of the light inlet 11 on the picture frame 1 and used for inputting light rays in a view field into the camera and preventing the light rays outside the view field from entering the inside of the picture frame 1, and light blocking rings 19 are arranged in the inner light shield 5 and the outer light shield 4; the light-passing aperture of the input end of the inner light shield 5 is matched with the diameter of the light inlet 11, the light-passing aperture of the output end is smaller than that of the input end, and the inner light shield is used for guiding input light into one part of the mirror surface of the first reflector 6 only to leave enough space for light path transmission of reflected light on the first reflector 6, so that the inner light shield 5 is prevented from completely shielding the first reflector 6, and the reflected light of the first reflector 6 is prevented from being blocked; the first reflector 6 is arranged on the side wall of the lens frame 1 corresponding to the side wall of the light inlet 11 and is positioned on the light path of the input light; the first lens hood 7 is arranged at the first reflector 6 on the lens frame 1 and is arranged along the light path of the light reflected by the first reflector 6; the second reflector 8 is arranged on the side wall of the position of the light inlet 11 in the mirror frame 1 and is positioned on the light path of the light reflected by the first reflector 6; the third reflector 9 is arranged on the side wall of the position of the first reflector 6 in the lens frame 1 and is positioned on the light path of the light reflected by the second reflector 8, and the second lens hood 10 is arranged at the third reflector 9 on the lens frame 1; a light outlet 12 is arranged on the light path of the light reflected by the third reflector 9 on the lens frame 1, a CCD adapter 18 is arranged at the light outlet 12 of the lens frame 1, a CCD trimming gasket 17 is arranged at the mounting position of the CCD adapter 18 on the lens frame 1, and an external CCD is arranged on the CCD adapter 18 and is used for sensing the light output by the camera; the input light is acted by the first reflector 6, the second reflector 8 and the third reflector 9 in sequence and then output to the focal plane A of the camera through the light outlet 12.
The surface types of the first reflector 6, the second reflector 8 and the third reflector 9 are all free curved surfaces; in the field, a common processing mode for the free-form surface reflector is SPDT, so that the processing precision of the reflector can be effectively ensured by designing a processing reference on the structure of the reflector; as shown in fig. 3, the first reflector 6, the second reflector 8 and the third reflector 9 are all designed integrally, and include a reflector body 13, and three mounting plates 14 uniformly arranged on the periphery of the reflector body 13 and close to the back thereof; defining the direction of the reflector body 13 which is coaxial and same to the Y axis of the machine tool during machining as a positive Y direction, and arranging a first plane datum 141 at one end, away from the reflector body 13, of the mounting flat plate 14 positioned on the positive Y direction of the reflector body 13, wherein the first plane datum is used for aligning with the Y axis of the machine tool during machining of the reflector body 13; the other two mounting flat plates 14 are provided with a circumferential reference 142 at one end away from the reflector body 13, and are used for dynamic balance adjustment in the processing preparation process of the reflector body 13; the three mounting flat plates 14 are provided with second plane references 143 towards the front side of the reflector body 13, and are used for matching with the mirror frame 1 during mounting, so that the position accuracy among the first reflector 6, the second reflector 8 and the third reflector 9 is improved; the mounting flat plate 14 is provided with flexible unloading grooves 144 on two opposite side walls connected with the circumferential side of the reflector body 13 along the axial direction of the reflector body 13, and the flexible unloading grooves are used for unloading the stress when the reflector body 13 and screws are mounted; the reflector body 13 is provided with an annular groove 145 on the peripheral side thereof for preventing a tool from coming into contact with the reflector body 13 when machining the mounting plane, while allowing the mounting stress to be relieved.
Claims (10)
1. An all-aluminum free-form surface camera, characterized in that: the novel glasses frame comprises a glasses frame (1), a bottom plate (2) and a cover plate (3) which are respectively arranged on two opposite sides of the glasses frame (1), an outer light shield (4) arranged on the outer side of the glasses frame (1), and an inner light shield (5), a first reflector (6), a first light shield (7), a second reflector (8), a third reflector (9) and a second light shield (10) which are arranged in the glasses frame (1);
the bottom plate (2), the cover plate (3), the outer light shield (4), the mirror frame (1), the inner light shield (5), the first reflector (6), the second reflector (8), the third reflector (9), the first light shield (7) and the second light shield (10) are all made of aluminum alloy materials; the surface types of the first reflector (6), the second reflector (8) and the third reflector (9) are free curved surfaces;
a light inlet (11) is formed in the side wall of one side of the mirror frame (1); the outer light shield (4) is arranged on the outer side of the light inlet (11) on the lens frame (1), and the inner light shield (5) is arranged on the inner side of the light inlet (11) on the lens frame (1) and used for allowing input light in a visual field to enter the camera;
the first reflector (6) is arranged on the side wall of the lens frame (1) corresponding to the side wall where the light inlet (11) is located and is positioned on the light path of the input light; the first light shield (7) is arranged at the first reflector (6) on the lens frame (1) and is arranged along the light path of the light reflected by the first reflector (6);
the second reflector (8) is arranged on the side wall of the position of the light inlet (11) in the lens frame (1) and is positioned on the light path of the light reflected by the first reflector (6); the third reflector (9) is arranged on the side wall of the position of the first reflector (6) in the lens frame (1) and is positioned on the light path of the light reflected by the second reflector (8), and the second light shield (10) is arranged at the third reflector (9) on the lens frame (1); a light outlet (12) is formed in the position, located on the light path of the light reflected by the third reflector (9), of the lens frame (1), input light enters the lens frame (1) through the light inlet (11), is reflected by the first reflector (6), the second reflector (8) and the third reflector (9) in sequence and then is output to a focal plane A of the camera through the light outlet (12);
an external CCD is arranged at a light outlet (12) of the mirror frame (1) and used for sensing light rays output by the camera.
2. The all-aluminum free-form surface camera according to claim 1, wherein: the first reflector (6), the second reflector (8) and the third reflector (9) are all integrally arranged and comprise a reflector body (13) and three installation flat plates (14) which are uniformly arranged on the peripheral side of the reflector body (13);
the direction of the reflector body (13) which is coaxial and equidirectional with the Y axis of the machine tool during machining is defined as a positive Y direction, and one end, away from the reflector body (13), of a mounting flat plate (14) positioned on the positive Y direction of the reflector body (13) is provided with a first plane datum (141) which is used for aligning with the Y axis of the machine tool during machining of the reflector body (13).
3. The all-aluminum free form surface camera according to claim 2, wherein: and one ends of the other two mounting flat plates (14) far away from the reflector body (13) are provided with circumferential references (142) for dynamic balance adjustment in the processing preparation process of the reflector body (13).
4. An all aluminum free form surface camera according to claim 3, wherein: and second plane reference (143) are arranged on one sides of the three mounting flat plates (14) facing the front side of the reflector body (13) and are used for being matched with the mirror frame (1) during mounting to improve the position accuracy among the first reflector (6), the second reflector (8) and the third reflector (9).
5. The all-aluminum free-form surface camera according to claim 4, wherein: the installation flat plate (14) is provided with flexible unloading grooves (144) on two opposite side walls which are connected with the circumferential side of the reflector body (13) along the axial direction of the reflector body (13).
6. The all-aluminum free form surface camera according to claim 5, wherein: the periphery of the reflector body (13) is provided with an annular groove (145).
7. An all aluminum free form surface camera according to any one of claims 1 to 6, wherein: the outer light shield (4), the inner light shield (5), the first reflector (6), the second reflector (8), the third reflector (9), the first light shield (7) and the second light shield (10) are all connected to the glasses frame (1) through aluminum alloy screws;
a supporting plate (15) is further arranged, and the bottom plate (2) is connected to the supporting plate (15) through aluminum alloy screws.
8. The all-aluminum free-form surface camera according to claim 7, wherein: and a trimming base plate (16) is arranged between the connecting surfaces of the bottom plate (2) and the supporting plate (15).
9. The all-aluminum free-form surface camera according to claim 8, wherein: light blocking rings (19) are arranged in the inner light shield (5) and the outer light shield (4).
10. The all aluminum free form surface camera of claim 9, wherein: a CCD adapter (18) is arranged at the light outlet (12) of the mirror frame (1), and an external CCD is arranged on the mirror frame (1) through the CCD adapter (18); a CCD trimming gasket (17) is arranged at the light outlet (12) of the mirror frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211387213.5A CN115657406A (en) | 2022-11-07 | 2022-11-07 | Full-aluminum free-form surface camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211387213.5A CN115657406A (en) | 2022-11-07 | 2022-11-07 | Full-aluminum free-form surface camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115657406A true CN115657406A (en) | 2023-01-31 |
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ID=85016244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211387213.5A Pending CN115657406A (en) | 2022-11-07 | 2022-11-07 | Full-aluminum free-form surface camera |
Country Status (1)
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| CN (1) | CN115657406A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118330838A (en) * | 2024-06-12 | 2024-07-12 | 中国科学院西安光学精密机械研究所 | All-aluminum free-form surface off-axis low-temperature infrared optical lens and adjusting method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008241608A (en) * | 2007-03-28 | 2008-10-09 | Jtekt Corp | On board method for detecting work standard point, and machining device using the method |
| JP2011194413A (en) * | 2010-03-17 | 2011-10-06 | Sony Corp | Manufacturing method for shaped article having ultrafine uneven surface structure |
| CN102759796A (en) * | 2012-05-09 | 2012-10-31 | 中国科学院上海技术物理研究所 | Optical calibration technology of multi-degree-of-freedom imaging optical system for computed-generated holographic multi-point instantaneous positioning |
| CN105842953A (en) * | 2016-05-31 | 2016-08-10 | 中国科学院长春光学精密机械与物理研究所 | Long-focus off-axis three-mirror space camera system for suppressing full-path stray light |
| CN112180576A (en) * | 2020-09-02 | 2021-01-05 | 中国科学院西安光学精密机械研究所 | Refrigeration type free-form surface off-axis three-mirror optical system |
-
2022
- 2022-11-07 CN CN202211387213.5A patent/CN115657406A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008241608A (en) * | 2007-03-28 | 2008-10-09 | Jtekt Corp | On board method for detecting work standard point, and machining device using the method |
| JP2011194413A (en) * | 2010-03-17 | 2011-10-06 | Sony Corp | Manufacturing method for shaped article having ultrafine uneven surface structure |
| CN102759796A (en) * | 2012-05-09 | 2012-10-31 | 中国科学院上海技术物理研究所 | Optical calibration technology of multi-degree-of-freedom imaging optical system for computed-generated holographic multi-point instantaneous positioning |
| CN105842953A (en) * | 2016-05-31 | 2016-08-10 | 中国科学院长春光学精密机械与物理研究所 | Long-focus off-axis three-mirror space camera system for suppressing full-path stray light |
| CN112180576A (en) * | 2020-09-02 | 2021-01-05 | 中国科学院西安光学精密机械研究所 | Refrigeration type free-form surface off-axis three-mirror optical system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118330838A (en) * | 2024-06-12 | 2024-07-12 | 中国科学院西安光学精密机械研究所 | All-aluminum free-form surface off-axis low-temperature infrared optical lens and adjusting method thereof |
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