CN108055429B - Prism system - Google Patents
Prism system Download PDFInfo
- Publication number
- CN108055429B CN108055429B CN201711278994.3A CN201711278994A CN108055429B CN 108055429 B CN108055429 B CN 108055429B CN 201711278994 A CN201711278994 A CN 201711278994A CN 108055429 B CN108055429 B CN 108055429B
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- Prior art keywords
- prism
- light
- prism body
- visible light
- accommodating cavity
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- 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.)
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- 230000003287 optical effect Effects 0.000 claims abstract description 21
- 238000003384 imaging method Methods 0.000 claims description 20
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000007747 plating Methods 0.000 claims description 2
- 230000004308 accommodation Effects 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010070834 Sensitisation Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric 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
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
- G02B27/1013—Beam splitting or combining systems for splitting or combining different wavelengths for colour or multispectral image sensors, e.g. splitting an image into monochromatic image components on respective sensors
-
- 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
-
- 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
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention relates to a prism system, comprising a prism, wherein the prism is provided with a prism body and a beam splitter, and the beam splitter allows visible incident light to transmit through and reflects infrared rays; the emergent light surface of the prism body is provided with a containing cavity which is sunken towards the inside of the prism body, and an optical lens is arranged in the containing cavity. By arranging the accommodating cavity on the prism and installing the optical lens in the accommodating cavity, the inner space of the prism is reasonably utilized, and the volume of the prism system is reduced. Therefore, the volume of the camera module adopting the prism system is effectively reduced.
Description
Technical Field
The invention relates to the field of optical imaging, in particular to a prism system.
Background
With rapid development of the automobile industry and rapid progress of the automobile body electronic technology, the vehicle-mounted camera module is increasingly and widely applied to various automobiles. However, the existing vehicle-mounted camera module is difficult to play the role under the condition of weak visible light, for example, under the condition of weak visible light at night, the existing vehicle-mounted camera module causes the image formed by an imaging system to be blurred, the definition is insufficient, and a driver is difficult to accurately judge surrounding things in real time, so that sufficient safety guarantee is not available in the driving process. Meanwhile, the imaging quality of the existing vehicle-mounted camera module is easily affected in an environment where visible light becomes obvious. Especially when the daytime is to the transition of night, because the visible light weakens gradually, current on-vehicle camera module can not carry out sensitization conversion according to the change of visible light, therefore, on-vehicle camera module's imaging quality can become worse along with the change of environment.
In recent years, a vehicle-mounted camera module used under an environment condition of weak visible light also appears in the vehicle-mounted camera module, and in the vehicle-mounted camera module, separation of visible light and infrared light is realized by adopting a prism system, so that imaging of different light-sensitive chips is realized, and imaging under the environment condition of weak visible light is realized according to fusion of formed images of different lights. However, the prism system is large, so that the whole vehicle-mounted camera module is large in size and difficult to popularize in a popular way.
Disclosure of Invention
The invention aims to provide a prism system which solves the problem of large volume of the prism system.
To achieve the above object, the present invention provides a prism system including a prism having a prism body and a beam splitter that allows visible incident light to transmit therethrough and reflects infrared rays; the emergent light surface of the prism body is provided with a containing cavity which is sunken towards the inside of the prism body, and an optical lens is arranged in the containing cavity.
According to one aspect of the invention, the prism body is a single right-angle triangular prism, the inclined plane of the triangular prism is a light incident plane, the plane perpendicular to the incident light is a visible light emergent plane, the accommodating cavity extends perpendicularly to the visible light emergent plane in the prism body, and the bottom of the accommodating cavity is arranged at intervals with the beam splitter.
According to one aspect of the invention, the prism body is composed of a first prism body and a second prism body, the first prism body and the second prism body are respectively right angle triangular prisms, inclined planes of the first prism body and the second prism body are opposite to each other, the beam splitter is positioned between the inclined planes of the first prism body and the second prism body, the beam splitter reflects infrared light and allows visible light to transmit, a surface of the second prism body perpendicular to the visible light from the beam splitter is a visible light outgoing surface, the accommodating cavity extends perpendicularly in the second prism body perpendicular to the visible light outgoing surface, and the bottom of the accommodating cavity is arranged alternately with the beam splitter.
According to one aspect of the invention, the accommodation chamber is a hollow stepped cylinder, the diameter of each cylinder sequentially decreases from the visible light exit surface toward the inside of the prism body, the center line of the cylinder passes through the geometric symmetry center of the prism body light incident surface, or the accommodation chamber is a hollow cylinder, the center line of the hollow cylinder passes through the geometric symmetry center of the prism body light incident surface.
According to one aspect of the invention, the optical lens consists of 5 aspheric lenses, and short working distance within 3mm and back focal length imaging within 3mm are realized.
According to one aspect of the invention, the prism body is provided with an antireflection film.
According to one aspect of the present invention, the spectroscopic coating is a spectroscopic coating that allows visible light having a wavelength range of 410 to 650nm and reflects infrared light having a wavelength range of 850±20nm.
According to one aspect of the invention, the coating is comprised of a set of optical interference films.
According to one scheme of the invention, the accommodating cavity is arranged on the prism, and the optical lens is arranged in the accommodating cavity, so that the inner space of the prism is reasonably utilized, and the volume of the prism system is reduced. Therefore, the volume of the camera module adopting the prism system is effectively reduced. Meanwhile, the distance between the prism and the photosensitive chip can be effectively changed through the prism system, so that the imaging size of the camera module adopting the prism system can be adjusted.
According to one scheme of the invention, the prism performs light splitting treatment on the light rays incident through the lens through the light splitting body, so that the visible light and the infrared light are transmitted in different directions, mutual independence of the prism system in the visible light and infrared light transmission process is ensured, mutual interference of the visible light and the infrared light is avoided, and imaging clarity is ensured. The beam splitter is composed of an optical interference film group. Through the arrangement, the loss of light rays on the beam splitter is reduced, and the imaging definition of the invention is ensured. Through the arrangement, the visible light with the wavelength range of 410-650 nm can be ensured to pass through the beam splitter, the transmittance of the visible light reaches more than 90%, the prism system of the invention is further ensured to output enough visible light, and the imaging quality of the photosensitive chip is improved. Meanwhile, through the arrangement, the infrared light with the wavelength range of 850+/-20 nm can be reflected by the beam splitter, the reflectivity of the infrared light reaches more than 90%, the prism system is further ensured to output enough infrared light, and the imaging quality of the photosensitive chip is improved.
Drawings
FIG. 1 schematically illustrates a block diagram of a prism system according to one embodiment of the present invention;
fig. 2 schematically shows a block diagram of a prism system according to another embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments will be briefly described below. It is apparent that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
In describing embodiments of the present invention, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in terms of orientation or positional relationship shown in the drawings for convenience of description and simplicity of description only, and do not denote or imply that the devices or elements in question must have a particular orientation, be constructed and operated in a particular orientation, so that the above terms are not to be construed as limiting the invention.
The present invention will be described in detail below with reference to the drawings and the specific embodiments, which are not described in detail herein, but the embodiments of the present invention are not limited to the following embodiments.
As shown in fig. 1, the prism system of the present invention includes a prism 1 according to one embodiment of the present invention. In the present embodiment, the prism 1 includes a prism body 11 and a spectroscopic body 12. In the present embodiment, light received through the lens is transmitted to the beam splitter 12 of the prism 1, and the beam splitter 12 allows visible incident light to transmit therethrough and reflects infrared rays.
As shown in fig. 1, according to an embodiment of the present invention, the prism body 11 is a single rectangular triangular prism. In the present embodiment, the triangular prism inclined surface of the prism body 11 is a light incident surface 111, and a surface perpendicular to the incident light is a visible light exit surface 112. The beam splitter 12 is located on the light incident surface 111 of the prism 11, and the projection direction of the infrared light reflected by the beam splitter 12 is perpendicular to the surface of the prism 11 parallel to the incident light. In the present embodiment, the light reaches the beam splitter 12, the visible incident light reaches the light incidence surface 111 through the beam splitter 12, the visible light passing through the light incidence surface 111 reaches the visible light emission surface 112, and the visible light passing through the visible light emission surface 112 is projected to the outside. The infrared light is directly reflected by the beam splitter 12, thereby avoiding the infrared light from passing through to the visible light exit surface 112, and achieving sufficient separation of the visible light from the infrared light.
As shown in fig. 1, according to an embodiment of the present invention, a receiving cavity 113 recessed toward the inside of the prism body 11 is provided on the visible light emitting surface 112 of the prism body 11, and in this embodiment, an optical lens 1131 is provided in the receiving cavity 113. The accommodating cavity 113 extends vertically into the prism body 11 perpendicular to the visible light emitting surface 112, and the bottom of the accommodating cavity 113 is spaced from the light splitting body 12, i.e. a space is reserved between the bottom of the accommodating cavity 113 and the light incident surface 111.
As shown in fig. 2, according to another embodiment of the present invention, the prism body 11 is composed of a first prism body 11a and a second prism body 11 b. In the present embodiment, the first prism 11a and the second prism 11b are respectively right triangular prisms, the inclined surfaces of the first prism 11a and the second prism 11b are disposed opposite to each other, and the spectroscopic unit 12 is located between the inclined surfaces of the first prism 11a and the second prism 11 b. In the present embodiment, the spectroscopic body 12 reflects infrared light and allows visible light to transmit, and the surface of the second prism 11b perpendicular to the visible light from the spectroscopic body 12 is a visible light exit surface 112. The surface of the first prism 11a perpendicular to the incident light is a light incident surface 111, and the surface of the first prism 11a perpendicular to the infrared light reflected by the spectroscopic body 12 and passing the infrared light is an infrared light emitting surface 214. In the present embodiment, the light reaches the light incidence surface 111, the light passing through the light incidence surface 111 is transmitted to the spectroscope 12, the visible incident light reaches the visible light emission surface 112 through the spectroscope 12, and the visible light passing through the visible light emission surface 112 can be projected to the outside. The infrared ray reflected by the spectroscopic body 12 reaches the infrared light emitting surface 214, and the infrared ray passing through the infrared light emitting surface 214 is projected to the outside.
As shown in fig. 2, according to another embodiment of the present invention, a receiving cavity 113 recessed toward the inside of the second prism 11b is provided on the visible light exit surface 112 of the second prism 11b, and in this embodiment, an optical lens 1131 is provided in the receiving cavity 113. The accommodating cavity 113 extends vertically into the second prism 11b perpendicular to the visible light emitting surface 112, and the bottom of the accommodating cavity 113 is spaced from the light splitting body 12, i.e. a space is left between the bottom of the accommodating cavity 113 and the inclined surface of the second prism 11 b.
As shown in fig. 1, according to one embodiment of the present invention, the receiving chamber 113 is a hollow cylinder. In the present embodiment, the accommodation chamber 113 is a hollow cylindrical cavity of constant diameter. The center line of the receiving cavity 113 passes through the geometric symmetry center of the light incident surface 111 of the prism body 11. Through the arrangement, the optical axis of the optical lens 1131 in the accommodating cavity 113 is ensured to be coincident with the geometric symmetry center of the light incident surface 111 of the prism body 11, so that the deflection of visible light projected to the outside is avoided, and the clear imaging of the photosensitive chip is ensured.
According to another embodiment of the invention, the receiving cavity 113 is a hollow stepped cylinder. In the present embodiment, the diameter of each cylinder in the stepped cavity of the accommodation chamber 113 sequentially decreases from the visible light exit surface 112 toward the inside of the prism body 11. The center line of the accommodation chamber 113 passes through the geometric symmetry center of the light incident surface 111 of the prism body 11. Through the arrangement, the optical axis of the optical lens 1131 in the accommodating cavity 113 is ensured to be coincident with the geometric symmetry center of the light incident surface 111 of the prism body 11, so that the deflection of visible light projected to the outside is avoided, and the clear imaging of the photosensitive chip is ensured.
According to one embodiment of the present invention, the optical lens 1131 is composed of 5 aspherical lenses, and achieves a short working distance within 3mm and back focus imaging within 3 mm.
According to one embodiment of the present invention, the beam splitter 12 is a beam splitter coating. In this embodiment, the spectroscopic plating film allows visible light to pass therethrough and reflects infrared light. The wavelength range of visible light allowed to pass through the light-splitting coating film is 410-650 nm. The wavelength range of the infrared light allowed to pass through the light-splitting coating film is 850+/-20 nm. In the present embodiment, the spectroscopic body 12 is constituted by an optical interference film group in which at least two layers of optical interference films may be three layers, four layers, or more.
As shown in fig. 1, according to an embodiment of the present invention, an antireflection film is provided on a prism body 11. The transmittance of the prism body 11 is higher by arranging the antireflection film, so that the loss of light transmitted in the prism system is reduced, and the prism system is favorable for outputting enough light intensity.
According to the invention, the prism 1 carries out light splitting treatment on the light rays incident through the lens through the light splitting body 12, so that the visible light and the infrared light are transmitted in different directions, mutual independence of the prism system in the visible light and infrared light transmission process is ensured, mutual interference of the visible light and the infrared light is avoided, and imaging definition is ensured. The beam splitter 12 is composed of an optical interference film group. By the arrangement, the loss of light rays passing through the beam splitter 12 is reduced, and the imaging definition of the invention is ensured. Through the arrangement, the visible light with the wavelength range of 410-650 nm can be ensured to pass through the beam splitter 12, the transmittance of the visible light reaches more than 90%, the prism system of the invention is further ensured to output enough visible light, and the imaging quality of the photosensitive chip is improved. Meanwhile, through the arrangement, the infrared light with the wavelength range of 850+/-20 nm can be reflected by the beam splitter 12, the reflectivity of the infrared light reaches more than 90%, the prism system of the invention is further ensured to output enough infrared light, and the imaging quality of a photosensitive chip is improved.
According to the present invention, by providing the receiving cavity 113 on the prism 1 and installing the optical lens 1131 in the receiving cavity 113, the inner space of the prism 1 is reasonably utilized, and the volume of the prism system of the present invention is reduced. Therefore, the volume of the camera module adopting the prism system is effectively reduced. Meanwhile, the distance between the prism 1 and the photosensitive chip can be effectively changed through the prism system, so that the imaging size of the camera module adopting the prism system can be adjusted.
The foregoing is merely exemplary of embodiments of the invention and, as regards devices and arrangements not explicitly described in this disclosure, it should be understood that this can be done by general purpose devices and methods known in the art.
The above description is only one embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A prism system including a prism having a prism body and a beam splitter that allows visible incident light to transmit therethrough and reflects infrared rays; the prism is characterized in that an accommodating cavity recessed towards the interior of the prism body is arranged on the emergent light surface of the prism body, and an optical lens is arranged in the accommodating cavity;
the prism body is a single right-angle triangular prism, the inclined plane of the triangular prism is a light incident plane, the plane perpendicular to the incident light is a visible light emergent plane, the accommodating cavity extends vertically in the prism body perpendicular to the visible light emergent plane, and the bottom of the accommodating cavity is arranged alternately with the beam splitting body;
the accommodating cavity is a hollow step-shaped cylinder, the diameter of each cylinder sequentially reduces from the visible light emergent surface to the inside of the prism body, the central line of each cylinder passes through the geometric symmetry center of the prism body light incident surface, or the accommodating cavity is a hollow cylinder, and the central line of each hollow cylinder passes through the geometric symmetry center of the prism body light incident surface;
the optical lens consists of 5 aspheric lenses, and realizes short working distance within 3mm and back focal length imaging within 3 mm.
2. The prism system according to claim 1, wherein the prism body is composed of a first prism body and a second prism body, the first prism body and the second prism body are respectively right angle triangular prisms, inclined planes of the first prism body and the second prism body are opposite to each other, the beam splitter body is located between the inclined planes of the first prism body and the second prism body, the beam splitter body reflects infrared light and allows visible light to transmit, a surface perpendicular to the visible light from the beam splitter body on the second prism body is a visible light outgoing surface, the accommodating cavity extends perpendicularly in the second prism body perpendicularly to the visible light outgoing surface, and the bottom of the accommodating cavity is alternately arranged with the beam splitter body.
3. The prism system according to claim 1 or 2, wherein an antireflection film is provided on the prism body.
4. The prism system according to claim 1 or 2, wherein the spectroscopic plating film allows visible light to pass through and reflects infrared light, the wavelength range of the visible light is 410 to 650nm, and the wavelength range of the infrared light is 850±20nm.
5. The prism system according to claim 4, wherein the coating is comprised of a set of optical interference films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278994.3A CN108055429B (en) | 2017-12-06 | 2017-12-06 | Prism system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278994.3A CN108055429B (en) | 2017-12-06 | 2017-12-06 | Prism system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108055429A CN108055429A (en) | 2018-05-18 |
| CN108055429B true CN108055429B (en) | 2024-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711278994.3A Active CN108055429B (en) | 2017-12-06 | 2017-12-06 | Prism system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108055429B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110445961A (en) * | 2019-07-10 | 2019-11-12 | 中山联合光电科技股份有限公司 | A kind of adjustable camera system of double light |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6177667B1 (en) * | 1997-10-03 | 2001-01-23 | Ricoh Company, Ltd. | Imaging device |
| JP2007279134A (en) * | 2006-04-03 | 2007-10-25 | Matsushita Electric Ind Co Ltd | Prism, composite optical element with the prism, and optical device with the composite optical element |
| JP2013167818A (en) * | 2012-02-16 | 2013-08-29 | Olympus Imaging Corp | Imaging apparatus |
| CN206057697U (en) * | 2016-09-27 | 2017-03-29 | 中山联合光电科技股份有限公司 | A kind of beam splitting system |
| CN206440851U (en) * | 2016-12-22 | 2017-08-25 | 鲜善洪 | Field prism and optical prism structure |
| CN206650741U (en) * | 2017-02-14 | 2017-11-17 | 浙江大华技术股份有限公司 | A kind of coaxial image fusion device |
| CN207504991U (en) * | 2017-12-06 | 2018-06-15 | 宁波维森智能传感技术有限公司 | Prism system |
-
2017
- 2017-12-06 CN CN201711278994.3A patent/CN108055429B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6177667B1 (en) * | 1997-10-03 | 2001-01-23 | Ricoh Company, Ltd. | Imaging device |
| JP2007279134A (en) * | 2006-04-03 | 2007-10-25 | Matsushita Electric Ind Co Ltd | Prism, composite optical element with the prism, and optical device with the composite optical element |
| JP2013167818A (en) * | 2012-02-16 | 2013-08-29 | Olympus Imaging Corp | Imaging apparatus |
| CN206057697U (en) * | 2016-09-27 | 2017-03-29 | 中山联合光电科技股份有限公司 | A kind of beam splitting system |
| CN206440851U (en) * | 2016-12-22 | 2017-08-25 | 鲜善洪 | Field prism and optical prism structure |
| CN206650741U (en) * | 2017-02-14 | 2017-11-17 | 浙江大华技术股份有限公司 | A kind of coaxial image fusion device |
| CN207504991U (en) * | 2017-12-06 | 2018-06-15 | 宁波维森智能传感技术有限公司 | Prism system |
Non-Patent Citations (1)
| Title |
|---|
| 某微光驾驶仪复杂胶合棱镜的工艺探索;常乐;《西安工业大学硕士论文》;全文 * |
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| CN108055429A (en) | 2018-05-18 |
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