CN111174180A - Large dynamic range light beam steering device - Google Patents
Large dynamic range light beam steering device Download PDFInfo
- Publication number
- CN111174180A CN111174180A CN202010063083.4A CN202010063083A CN111174180A CN 111174180 A CN111174180 A CN 111174180A CN 202010063083 A CN202010063083 A CN 202010063083A CN 111174180 A CN111174180 A CN 111174180A
- Authority
- CN
- China
- Prior art keywords
- light source
- beam steering
- light
- stepping platform
- fisheye lens
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
Abstract
The invention discloses a large dynamic range light beam steering device, which comprises a fisheye lens, a collimating lens group, a light source, a two-dimensional stepping platform and a stepping platform drive which are coaxially arranged in sequence; the light source is fixed on the two-dimensional stepping platform, and the two-dimensional stepping platform can drive the light source to move under the control of the driving of the stepping platform; the moving coordinates of the light source correspond to different curve positions of the fisheye lens and correspond to emergent light beams in different directions; the collimating lens group is used for collimating the light beam emitted by the light source and then enabling the light beam to be incident to the curved surface area of the fisheye lens; the fisheye lens receives the light beams which are incident on the curved surfaces at different positions and deflects the light beams to any direction within the field angle of the fisheye lens. The light beam steering device realizes the selective adjustment of the illumination area, and because the light beam steering is generated by the small-range translation of the light source stepping platform, the space required by the external mechanical rotation of the light beam steering system is greatly reduced, and the use trouble caused by mechanical factors such as rotation in the operation process is avoided.
Description
Technical Field
The invention relates to a lighting device, in particular to a large dynamic range light beam steering device.
Background
Many lighting devices, such as follow spot lamp etc. directly are controlled by personnel's reality, however, because the use scene of this type of light is mostly theatre, studio, stage etc. and usable space (including the staff is walked around) is limited, so the parking position of light and dwindle light take up space become the problem that is difficult to solve.
Known in the art are beam lighting devices with control means that identify the location to be illuminated and automatically adjust the direction of emergence of the beam to illuminate the actor on site. The lighting control device does not require the actual operation of a worker and can be suspended to reduce space, however, such lighting devices are not very efficient, such as beam steering dynamic range is limited and it is not efficient to track the area to be illuminated.
Disclosure of Invention
The invention aims to provide a large dynamic range light beam steering device aiming at the problems that the existing light beam steering control device is small in regulation range, large space is needed for the control device and the like.
The purpose of the invention is realized by the following technical scheme:
a large dynamic range light beam steering device comprises a fisheye lens, an electric diaphragm, a light source, a two-dimensional stepping platform and a stepping platform drive which are coaxially arranged in sequence;
the light source is fixed on the two-dimensional stepping platform, and the two-dimensional stepping platform can drive the light source to move under the driving control of the stepping platform; the moving coordinates of the light source correspond to different curve positions of the fisheye lens and correspond to emergent light beams in different directions;
the fisheye lens receives the light beams striking the curved surfaces at different positions and deflects the light beams to any direction within the FOV of the fisheye lens.
Furthermore, the light beam steering device further comprises a diaphragm arranged between the light source and the fisheye lens, and the diaphragm, the fisheye lens, the collimating lens group and the light source are also coaxially arranged.
Furthermore, the diaphragm is an electric diaphragm with an adjustable light-passing aperture.
Further, the light source is a xenon lamp or a halogen tungsten lamp.
Further, the step platform drive is a computer drive, and the computer drive is used for controlling the translation path of the two-dimensional step platform, the time of staying at a certain coordinate and the switch of the light source, so that automatic light following is realized.
Furthermore, the stepping platform is driven by a handle and used for continuously adjusting the coordinates of the two-dimensional stepping platform and controlling the switch of the lamplight in real time.
The invention has the following beneficial effects:
the light beam steering device can realize the large-range steering of the light beam, realizes the selective adjustment of the illumination area, greatly reduces the space required by the external mechanical rotation of the traditional light beam steering system because the light beam steering is generated by the small-range translation of the two-dimensional stepping platform, and avoids the use trouble caused by mechanical factors such as rotation and the like in the operation process.
Drawings
FIG. 1 is a simplified diagram of a high dynamic range beam steering apparatus of the present invention.
Fig. 2 is a corresponding schematic diagram of a two-dimensional stepping platform, a fish-eye lens and an illumination area in the beam steering system of the present invention.
FIG. 3 is a simplified diagram of a high dynamic range beam steering apparatus with spot size control according to the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments, and the objects and effects of the present invention will become more apparent, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
As shown in FIG. 1, the large dynamic range beam steering apparatus of the present invention comprises:
the fisheye lens group 1 can enable the light beams to be fully covered in the range within the FOV of the fisheye lens, and different curved surface areas of the lens correspond to different steering angles of the light beams.
The light source 2, which is a xenon light source in this embodiment, has the advantages of high light emitting efficiency, good light color, and the like, and focuses light beams generated by the xenon lamp into light beams with a certain cone angle to the fisheye lens group, where the cone angle is adapted to the incident angle requirement of the lens group. The fisheye lens group 1 and the light source 2 are coaxially arranged.
The two-dimensional stepping platform 3 is fixed on the light source 2, and the two-dimensional stepping platform 3 can be displaced under the remote control driven by the stepping platform, so that light beams with certain cone angles generated by the light source 2 enter the fisheye lens group 1 at different positions. The coordinates of the light source 2 correspond to different curved positions of the fisheye lens 1, corresponding to different directions of the outgoing light beam, as shown in fig. 1.
A step and level drive, which can be either a computer drive 4 or a handle drive 5. The computer drive 4 can remotely program the translation path of the two-dimensional stepping platform, the time of staying at a certain coordinate and the switch of the light source, thereby realizing automatic light following and being mainly applied to stage lighting design. Handle drive 5 can be long-range carry out continuous adjustment to the coordinate of step-by-step platform, carries out real time control to the switch of light for the long-range real-time control of light beam direction of personnel.
In an embodiment of the present invention, as shown in fig. 2, a supporting structure 6 is used to encapsulate the fisheye lens group 1, the light source 2 and the stepping platform into a complete device, which is suspended right above a usage scene and divides the area of the usage scene to be illuminated to obtain the coordinates of all illumination areas; starting a large dynamic range light beam steering device, controlling a two-dimensional stepping platform by using a computer stepping platform drive, carrying out full scanning on a region needing to be illuminated of a using scene, and recording coordinates of the two-dimensional stepping platform corresponding to the illuminated regions with different coordinates; program conversion is carried out on the obtained group of illumination area coordinates and the two-dimensional stepping platform coordinates, and when the system is used, only the using area coordinates need to be directly input and the light beams can be turned to areas needing illumination; in addition, the computer stepping platform driver provides a lighting path and lighting time programming, and for a stage light-following scene, the stepping platform driver can be used for programming the stage light-following path and the stage light-following time in advance, so that the full automation of stage light-following and the like can be realized.
In another embodiment of the present invention, as shown in fig. 3, an electric diaphragm is disposed between the light source 2 and the fisheye lens assembly 1, the electric diaphragm is coaxial with the light source 2 and the fisheye lens assembly 1, the diameter of the outgoing light beam can be adjusted by adjusting the clear aperture of the electric diaphragm 8, so as to control the diameter of the illumination light beam, the driving of the electric diaphragm is integrated with a computer program and a handle, the clear aperture of the electric diaphragm can be programmed by using a computer, the diameter of the light beam at a certain time is designed, and the full-automatic control of the diameter of the light beam is realized; in addition, the diameter of the light beam can be controlled in real time by using a computer and a handle. The large dynamic range light beam steering device is provided with the electric diaphragm, so that the transmission direction of the light beam can be controlled remotely, and the diameter of the light beam can be controlled rapidly in real time through the electric diaphragm.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and although the invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that various changes in the form and details of the embodiments may be made and equivalents may be substituted for elements thereof. All modifications, equivalents and the like which come within the spirit and principle of the invention are intended to be included within the scope of the invention.
Claims (6)
1. A large dynamic range light beam steering device is characterized by comprising a fisheye lens, a light source, a two-dimensional stepping platform and a stepping platform drive which are coaxially arranged in sequence;
the light source is fixed on the two-dimensional stepping platform, and the two-dimensional stepping platform can drive the light source to move under the driving control of the stepping platform; the moving coordinates of the light source correspond to different curve positions of the fisheye lens and correspond to emergent light beams in different directions.
The fisheye lens receives the light beams striking the curved surfaces at different positions and deflects the light beams to any direction within the FOV of the fisheye lens.
2. The high dynamic range beam steering device of claim 1, further comprising an optical stop disposed between the light source and the collimating lens group, the optical stop being disposed coaxially with the fisheye lens and the light source.
3. The large dynamic range beam steering arrangement of claim 2, wherein the aperture is an electro-dynamic aperture with adjustable clear aperture.
4. The large dynamic range beam steering arrangement of claim 1, wherein the light source is a xenon or tungsten halogen light source.
5. The large dynamic range beam steering apparatus of claim 1, wherein the step platform driver is a computer driver, and the computer driver is configured to control a translation path of the two-dimensional step platform, a time of staying at a certain coordinate, and a switch of a light source, so as to realize automatic light tracking.
6. The large dynamic range beam steering apparatus of claim 1, wherein the stepper stage drive is a handle drive for continuously adjusting the coordinates of the two-dimensional stepper stage and controlling the switching and tracking of lights in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010063083.4A CN111174180B (en) | 2020-01-19 | 2020-01-19 | Large dynamic range light beam steering device |
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|---|---|---|---|
| CN202010063083.4A CN111174180B (en) | 2020-01-19 | 2020-01-19 | Large dynamic range light beam steering device |
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| CN111174180A true CN111174180A (en) | 2020-05-19 |
| CN111174180B CN111174180B (en) | 2022-04-26 |
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Citations (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002031849A (en) * | 2000-07-19 | 2002-01-31 | Fuji Photo Optical Co Ltd | Illumination device and projection type display device using the same |
| CN2748898Y (en) * | 2004-11-17 | 2005-12-28 | 中国科学院上海光学精密机械研究所 | 2D scanning type optical quality detecting device |
| CN1723409A (en) * | 2002-01-25 | 2006-01-18 | 索尼株式会社 | Image display unit |
| CN101298903A (en) * | 2008-06-12 | 2008-11-05 | 符建 | High-power LED light source with adjustable light beam |
| CN101561108A (en) * | 2008-04-14 | 2009-10-21 | 浙江大学 | LED lamp with controllable illumination direction and patterns |
| TW201003335A (en) * | 2008-07-14 | 2010-01-16 | Nikon Corp | Illuminating optical system, exposure apparatus and exposure method |
| CN201731334U (en) * | 2010-06-29 | 2011-02-02 | 深圳市雷迈科技有限公司 | Multi-purpose medical light-source system |
| CN102067732A (en) * | 2008-05-09 | 2011-05-18 | 百奇股份有限公司 | Stage-lighting apparatus and method for controlling the orientation of a light beam emitted by said apparatus |
| EP2353959A1 (en) * | 2010-01-28 | 2011-08-10 | Centrum Dopravniho Vyzkumu | Apparatus for monitoring and analysing a manner of driving |
| CN202012846U (en) * | 2011-01-21 | 2011-10-19 | 广州市夜太阳舞台灯光音响设备有限公司 | Dynamic stage effect lamp |
| CN102606983A (en) * | 2012-02-20 | 2012-07-25 | 广州彩熠灯光有限公司 | Control system and control method for visual adjustment of shutter sheets for stage lighting |
| CN102609001A (en) * | 2012-02-17 | 2012-07-25 | 广州彩熠灯光有限公司 | Control system for adjusting stage lamp and control method thereof |
| CN102721001A (en) * | 2011-03-30 | 2012-10-10 | 红蝶科技(深圳)有限公司 | Projection stage lighting system |
| CN102818221A (en) * | 2012-09-13 | 2012-12-12 | 广州市浩洋电子有限公司 | Optical system for stage lighting |
| CN103365033A (en) * | 2012-04-06 | 2013-10-23 | 弘凯光电(深圳)有限公司 | Lighting device and video camera comprising lighting device |
| CN103868009A (en) * | 2012-12-10 | 2014-06-18 | 深圳市光峰光电技术有限公司 | Stage lighting system |
| CN103900020A (en) * | 2012-12-26 | 2014-07-02 | 深圳市光峰光电技术有限公司 | Light emitting device and stage lamp system |
| JP2014137483A (en) * | 2013-01-17 | 2014-07-28 | Canon Inc | Zoom lens and imaging device |
| CN104020567A (en) * | 2014-05-13 | 2014-09-03 | 西安电子科技大学 | Hollow light beam converting device |
| US20140301084A1 (en) * | 2013-04-03 | 2014-10-09 | Excellent Idea Corp. | Device for changing lamp color temperature |
| CN104345534A (en) * | 2013-08-09 | 2015-02-11 | 精工爱普生株式会社 | Projector |
| CN105031828A (en) * | 2015-07-27 | 2015-11-11 | 深圳市科曼医疗设备有限公司 | Baby nursing device and irradiation light spot size control method thereof |
| CN204880034U (en) * | 2015-08-17 | 2015-12-16 | 深圳市洪涛装饰股份有限公司 | Be used in lamps and lanterns controlling means on stage |
| CN105378374A (en) * | 2013-04-26 | 2016-03-02 | 万恒国际有限公司 | Long distance high intensity LED light with adjustable focus |
| CN105556204A (en) * | 2013-09-27 | 2016-05-04 | 奥斯兰姆施尔凡尼亚公司 | Control techniques for lighting fixtures having spatial distribution control capabilities |
| CN105637289A (en) * | 2013-10-05 | 2016-06-01 | 马田专业公司 | Illumination device with spinning zoom lens |
| CN105793774A (en) * | 2013-12-11 | 2016-07-20 | 佳能株式会社 | Illumination optical system, image projection apparatus, and control method thereof |
| CN205430344U (en) * | 2016-03-17 | 2016-08-03 | 江西渴望科技有限公司 | Remove smart mobile phone with high definition pixel function of making a video recording |
| CN205910602U (en) * | 2016-08-04 | 2017-01-25 | 上海唱风信息科技有限公司 | Device of following spot |
| CN106871066A (en) * | 2017-02-21 | 2017-06-20 | 黄建芳 | A kind of stage lighting optical system for changing light distribution in real time |
| CN107076384A (en) * | 2014-10-21 | 2017-08-18 | Zkw集团有限责任公司 | Method for being generated light distribution on track by means of motor vehicle headlamp |
| CN107072014A (en) * | 2017-06-05 | 2017-08-18 | 安徽卓上光电科技有限责任公司 | A kind of stage lamp control system |
| CN107152634A (en) * | 2016-03-02 | 2017-09-12 | 上海三思电子工程有限公司 | Led searchlight and led searchlight control system |
| CN108318874A (en) * | 2018-04-12 | 2018-07-24 | 北醒（北京）光子科技有限公司 | A kind of face battle array laser radar and mobile platform |
| CN108758400A (en) * | 2018-05-25 | 2018-11-06 | 广州天键光电科技有限公司 | Desk lamp and its control method, control device |
| CN108758444A (en) * | 2018-07-17 | 2018-11-06 | 陕西铁鹰特种车有限公司 | The adjustable great power LED searchlight of beam angle |
| CN108873334A (en) * | 2018-06-19 | 2018-11-23 | 平行现实（杭州）科技有限公司 | A kind of ultra thin optical amplification mould group and amplification system |
| CN109854996A (en) * | 2019-01-25 | 2019-06-07 | 太仓秦风广告传媒有限公司 | A kind of intelligence is followed spot formula stage and its working method |
| CN209801291U (en) * | 2019-07-08 | 2019-12-17 | 北京大学第三医院（北京大学第三临床医学院） | Supplementary lighting system for operating room |
| CN110632760A (en) * | 2019-09-29 | 2019-12-31 | 平行现实（杭州）科技有限公司 | Light beam expansion optical structure |
-
2020
- 2020-01-19 CN CN202010063083.4A patent/CN111174180B/en active Active
Patent Citations (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002031849A (en) * | 2000-07-19 | 2002-01-31 | Fuji Photo Optical Co Ltd | Illumination device and projection type display device using the same |
| CN1723409A (en) * | 2002-01-25 | 2006-01-18 | 索尼株式会社 | Image display unit |
| CN2748898Y (en) * | 2004-11-17 | 2005-12-28 | 中国科学院上海光学精密机械研究所 | 2D scanning type optical quality detecting device |
| CN101561108A (en) * | 2008-04-14 | 2009-10-21 | 浙江大学 | LED lamp with controllable illumination direction and patterns |
| CN102067732A (en) * | 2008-05-09 | 2011-05-18 | 百奇股份有限公司 | Stage-lighting apparatus and method for controlling the orientation of a light beam emitted by said apparatus |
| CN101298903A (en) * | 2008-06-12 | 2008-11-05 | 符建 | High-power LED light source with adjustable light beam |
| TW201003335A (en) * | 2008-07-14 | 2010-01-16 | Nikon Corp | Illuminating optical system, exposure apparatus and exposure method |
| EP2353959A1 (en) * | 2010-01-28 | 2011-08-10 | Centrum Dopravniho Vyzkumu | Apparatus for monitoring and analysing a manner of driving |
| CN201731334U (en) * | 2010-06-29 | 2011-02-02 | 深圳市雷迈科技有限公司 | Multi-purpose medical light-source system |
| CN202012846U (en) * | 2011-01-21 | 2011-10-19 | 广州市夜太阳舞台灯光音响设备有限公司 | Dynamic stage effect lamp |
| CN102721001A (en) * | 2011-03-30 | 2012-10-10 | 红蝶科技(深圳)有限公司 | Projection stage lighting system |
| CN102609001A (en) * | 2012-02-17 | 2012-07-25 | 广州彩熠灯光有限公司 | Control system for adjusting stage lamp and control method thereof |
| CN102606983A (en) * | 2012-02-20 | 2012-07-25 | 广州彩熠灯光有限公司 | Control system and control method for visual adjustment of shutter sheets for stage lighting |
| CN103365033A (en) * | 2012-04-06 | 2013-10-23 | 弘凯光电(深圳)有限公司 | Lighting device and video camera comprising lighting device |
| CN102818221A (en) * | 2012-09-13 | 2012-12-12 | 广州市浩洋电子有限公司 | Optical system for stage lighting |
| CN103868009A (en) * | 2012-12-10 | 2014-06-18 | 深圳市光峰光电技术有限公司 | Stage lighting system |
| CN103900020A (en) * | 2012-12-26 | 2014-07-02 | 深圳市光峰光电技术有限公司 | Light emitting device and stage lamp system |
| JP2014137483A (en) * | 2013-01-17 | 2014-07-28 | Canon Inc | Zoom lens and imaging device |
| US20140301084A1 (en) * | 2013-04-03 | 2014-10-09 | Excellent Idea Corp. | Device for changing lamp color temperature |
| CN105378374A (en) * | 2013-04-26 | 2016-03-02 | 万恒国际有限公司 | Long distance high intensity LED light with adjustable focus |
| CN104345534A (en) * | 2013-08-09 | 2015-02-11 | 精工爱普生株式会社 | Projector |
| CN105556204A (en) * | 2013-09-27 | 2016-05-04 | 奥斯兰姆施尔凡尼亚公司 | Control techniques for lighting fixtures having spatial distribution control capabilities |
| CN105637289A (en) * | 2013-10-05 | 2016-06-01 | 马田专业公司 | Illumination device with spinning zoom lens |
| CN105793774A (en) * | 2013-12-11 | 2016-07-20 | 佳能株式会社 | Illumination optical system, image projection apparatus, and control method thereof |
| CN104020567A (en) * | 2014-05-13 | 2014-09-03 | 西安电子科技大学 | Hollow light beam converting device |
| CN107076384A (en) * | 2014-10-21 | 2017-08-18 | Zkw集团有限责任公司 | Method for being generated light distribution on track by means of motor vehicle headlamp |
| CN105031828A (en) * | 2015-07-27 | 2015-11-11 | 深圳市科曼医疗设备有限公司 | Baby nursing device and irradiation light spot size control method thereof |
| CN204880034U (en) * | 2015-08-17 | 2015-12-16 | 深圳市洪涛装饰股份有限公司 | Be used in lamps and lanterns controlling means on stage |
| CN107152634A (en) * | 2016-03-02 | 2017-09-12 | 上海三思电子工程有限公司 | Led searchlight and led searchlight control system |
| CN205430344U (en) * | 2016-03-17 | 2016-08-03 | 江西渴望科技有限公司 | Remove smart mobile phone with high definition pixel function of making a video recording |
| CN205910602U (en) * | 2016-08-04 | 2017-01-25 | 上海唱风信息科技有限公司 | Device of following spot |
| CN106871066A (en) * | 2017-02-21 | 2017-06-20 | 黄建芳 | A kind of stage lighting optical system for changing light distribution in real time |
| CN107072014A (en) * | 2017-06-05 | 2017-08-18 | 安徽卓上光电科技有限责任公司 | A kind of stage lamp control system |
| CN108318874A (en) * | 2018-04-12 | 2018-07-24 | 北醒（北京）光子科技有限公司 | A kind of face battle array laser radar and mobile platform |
| CN108758400A (en) * | 2018-05-25 | 2018-11-06 | 广州天键光电科技有限公司 | Desk lamp and its control method, control device |
| CN108873334A (en) * | 2018-06-19 | 2018-11-23 | 平行现实（杭州）科技有限公司 | A kind of ultra thin optical amplification mould group and amplification system |
| CN108758444A (en) * | 2018-07-17 | 2018-11-06 | 陕西铁鹰特种车有限公司 | The adjustable great power LED searchlight of beam angle |
| CN109854996A (en) * | 2019-01-25 | 2019-06-07 | 太仓秦风广告传媒有限公司 | A kind of intelligence is followed spot formula stage and its working method |
| CN209801291U (en) * | 2019-07-08 | 2019-12-17 | 北京大学第三医院（北京大学第三临床医学院） | Supplementary lighting system for operating room |
| CN110632760A (en) * | 2019-09-29 | 2019-12-31 | 平行现实（杭州）科技有限公司 | Light beam expansion optical structure |
Non-Patent Citations (2)
| Title |
|---|
| Y NAKAZAWA等: "Indoor positioning using a high-speed, fish-eye lens-equipped camera in Visible Light Communication", 《INTERNATIONAL CONFERENCE ON INDOOR POSITIONING & INDOOR NAVIGATION》 * |
| 杨永亮等: "鱼眼镜头中透镜加工工艺的改进", 《激光与光电子学进展》 * |
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| CN111174180B (en) | 2022-04-26 |
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