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1
CN112327500A
极化光模块及深度识别装置
Public
Publication/Patent Number: CN112327500A Publication Date: 2021-02-05 Application Number: 202011344188.3 Filing Date: 2020-11-25 Inventor: 彭天才   戴书麟   刘风雷   郝春艳   Assignee: 东莞埃科思科技有限公司   IPC: G02B27/10 Abstract: 本申请提供一种极化光模块及深度识别装置,极化光模块包括:发射器,用于发射第一波长范围的线偏振光;接收器,包括图像传感器、透镜结构、滤光结构,透镜结构和滤光结构均设置于图像传感器前方,光线经透镜结构和滤光结构后到达图像传感器,滤光结构用于对光线中除线偏振光之外的环境光进行过滤,以使图像传感器接收经滤光结构过滤后的光线,其中,未经过滤的光线中包括线偏振光和环境光。这样可以使得图像传感器接收的光线较少受到环境光的干扰,并且,能够在不提升功率的条件下,提升接收器的接收效果,从而保证图像的成像质量,有利于深度识别。而且,滤光结构可以滤除环境光中其它方向的光,进一步减少环境光(即噪声)对接收器的影响。
2
CN109212765B
分光装置
Grant
Publication/Patent Number: CN109212765B Publication Date: 2021-02-02 Application Number: 201710548762.9 Filing Date: 2017-07-07 Inventor: 锺润文   Assignee: 奇景光电股份有限公司   IPC: G02B27/10 Abstract: 本公开提供一种分光装置,其包含第一玻璃基材、第二玻璃基材及第三玻璃基材。该第一玻璃基材将入射光的第一颜色光束导引至显示元件,以及改变该入射光的第一中继光束的极化方向以产生第二中继光束。该第一颜色光束具有第一极化方向,该第二中继光束包含第二颜色光束及第三颜色光束,该第二颜色光束具有第二极化方向。该第二玻璃基材将具有该第二极化方向的该第二颜色光束导引至该显示元件,以及改变该第三颜色光束的极化方向,使得该第三颜色光束具有第三极化方向。该第三玻璃基材将具有该第三极化方向的该第三颜色光束导引至该显示元件。本公开提供的分光装置可减少生产成本、提升产品可靠度及减少分光装置中芯片堆迭的厚度。
3
CN112241069A
一种光纤激光合成系统
Substantial Examination
Publication/Patent Number: CN112241069A Publication Date: 2021-01-19 Application Number: 202011103732.5 Filing Date: 2020-10-15 Inventor: 柏刚   董延涛   陶坤宇   张大庆   郭贤斌   谭利临   田永明   Assignee: 上海无线电设备研究所   IPC: G02B27/10 Abstract: 本发明公开了一种光纤激光合成系统,包括:光谱合成系统,用于将若干组入射光束集分别进行共孔径光谱合成处理对应得到若干个初级激光束,并输出;扩束系统,其用于将接收到的若干个所述初级激光束分别进行光斑扩束,对应输出若干个次级激光束;以及激光出射系统,用于将接收到的若干个所述次级激光束进行非相干叠加得到合成光束并出射。本发明实现了不同波长带宽范围内的光谱合成,利用反射式衍射光栅的共孔径合束输出和双色片的宽光谱特性完成递进式共孔径叠加,实现激光阵列规模的成倍扩展,进而有效提升输出亮度满足不断扩展的应用需求。
4
US10884254B2
Image display device having ocular optical system causing images to overlap in a blending area
Publication/Patent Number: US10884254B2 Publication Date: 2021-01-05 Application Number: 16/162,796 Filing Date: 2018-10-17 Inventor: Yamaguchi, Tokito   Takagi, Masayuki   Miyao, Toshiaki   Komatsu, Akira   Takeda, Takashi   Assignee: SEIKO EPSON CORPORATION   IPC: G02B27/10 Abstract: An image display device includes a plurality of display elements configured to emit image light corresponding to a plurality of separate areas, and an ocular optical system configured to emit, to a position corresponding to an eye of an observer, the image light emitted from the plurality of display elements. The ocular optical system causes images to overlap with each other in a blending area including a boundary between the plurality of areas. An overlapping angle width in a direction orthogonal to the boundary of the blending area on a central visual field side is smaller than an overlapping angle width in the direction orthogonal to the boundary of the blending area on a peripheral visual field side.
5
US2021037222A1
ILLUMINATION SYSTEM AND PROJECTION APPARATUS
Publication/Patent Number: US2021037222A1 Publication Date: 2021-02-04 Application Number: 16/937,569 Filing Date: 2020-07-23 Inventor: Huang, Kuan-ta   Hsu, Jo-han   Hsieh, Chi-tang   Hsieh, Yu-hua   Assignee: Coretronic Corporation   IPC: H04N9/31 Abstract: An illumination system includes an excitation light source module, a light splitting and combining module, a filter module, and a wavelength conversion module. The excitation light source module provides an excitation beam. The light splitting and combining module is disposed on a transmission path of the excitation beam. The excitation beam includes a first and a second excitation beam which are different from each other in polarization state or wavelength range. The filter module is disposed on the transmission path of the excitation beam. The filter module includes a light passing area configured to allow the excitation beam to pass there-through and a light filtering area. The wavelength conversion module is disposed on the transmission path of the excitation beam reflected by the light filtering area and configured to convert the reflected excitation beam into a conversion beam. A projection apparatus including the above illumination system is also provided.
6
CN112394436A
1064纳米波段的非对称结构全介质反射式合束光栅
Publication/Patent Number: CN112394436A Publication Date: 2021-02-23 Application Number: 202011336817.8 Filing Date: 2020-11-25 Inventor: 曹红超   晋云霞   邵建达   孔钒宇   张益彬   王勇禄   陈俊明   Assignee: 中国科学院上海光学精密机械研究所   IPC: G02B5/18 Abstract: 一种用于1064纳米波段的非对称结构全介质反射式合束光栅,其特征在于该光栅由下而上依次分别是光栅基底、周期膜系、位相匹配层和倾斜矩形槽型剖面的顶部光栅。本发明适用于中心波长1064纳米波段,具有偏振不敏感、超宽带、高效率的特点,能满足小型化光谱合束系统对高线密度、宽带不敏感合束光栅的需求。特别适合于结构紧凑、对光源线宽要求较低的双光栅高能激光光谱合束系统。
7
CN109541798B
一种光纤扫描装置及投影显示设备
Grant
Publication/Patent Number: CN109541798B Publication Date: 2021-01-05 Application Number: 201811384706.7 Filing Date: 2018-11-20 Inventor: 宋海涛   周旭东   高一峰   Assignee: 成都理想境界科技有限公司   IPC: G02B26/10 Abstract: 本发明公开了一种光纤扫描装置及投影显示设备,包括:第一光纤扫描器阵列;第二光纤扫描器阵列;图像源,用于向所述第一光纤扫描器阵列输出第一待投影图像,向所述第二光纤扫描器阵列输出第二待投影图像,所述第一待投影图像和所述第二待投影图像至少部分相同;第一可透可反片,设置在所述第一光纤扫描器阵列和所述第二光纤扫描器阵列的出射光路上,所述第一可透可反片用于合并所述第一光纤扫描器阵列和所述第二光纤扫描器阵列输出的光线,使得所述第一光纤扫描器阵列输出的相同图像区域的光线的出瞳和所述第二光纤扫描器阵列输出的所述相同图像区域的光线的出瞳错开,并相互填充对方出瞳在第一方向上的间隙。
8
CN107991781B
一种利用光谱合束消除光纤输出激光光斑不均匀性的方法
Grant
Publication/Patent Number: CN107991781B Publication Date: 2021-01-29 Application Number: 201810013956.3 Filing Date: 2018-01-08 Inventor: 马修泉   张国军   邵新宇   Assignee: 广东省智能机器人研究院   IPC: G02B27/10 Abstract: 一种利用光谱合束消除光纤输出激光光斑不均匀性的方法,包括以下步骤:选取好符合预设规格的高低通镜片;提供至少两个中心波长不同的激光束,全部的激光束波长以加工激光波长为中心并覆盖大于某个临界值N的波长区间。将所有激光束通过高低反透镜进行合束,成为用于激光加工的宽谱激光束,该宽谱激光束的线宽为所有激光束的线宽的和,临界值N将确保合束后的激光束中所有高阶模与基模的相位差覆盖0到2π范围。本发明缓解了输出光场的横向能量不均匀性,从而解决了由多模相干引起的能量不均匀带来的加工缺陷。
9
US2021027694A1
SYSTEMS AND METHODS FOR SPATIO-TEMPORAL DITHERING
Publication/Patent Number: US2021027694A1 Publication Date: 2021-01-28 Application Number: 16/520,031 Filing Date: 2019-07-23 Inventor: Buckley, Edward   Assignee: Facebook Technologies, LLC   IPC: G09G3/20 Abstract: In one embodiment, the system may receive a target pixel value for a pixel of an image of a series of images. The system may determine an error-modified target pixel value based on the target pixel value and a first error value. The system may generate a quantized pixel value corresponding to the error-modified target pixel value for display by the pixel of the image. The system may determine an aggregated representation of quantized pixel values displayed by the pixel of the image and corresponding pixels of one or more preceding images of the series of images. The system may determine a second error value based on the aggregated representation of the quantized pixel values and the first error-modified target pixel value. The system may dither at least a portion of the second error value to at least a corresponding pixel of a next image in the series of images.
10
US2021011293A1
IMAGE DISPLAY DEVICE AND DISPLAY DEVICE
Publication/Patent Number: US2021011293A1 Publication Date: 2021-01-14 Application Number: 16/955,533 Filing Date: 2018-11-30 Inventor: Kanaya, Midori   Abe, Tsuguhiro   Assignee: Sony Semiconductor Solutions Corporation   IPC: G02B27/01 Abstract: An image display device 10 includes an optical splitter 11 to which an image emitted from an image forming device 21 placed in an outside (outside of the image display device 10) is injected and that is configured to divide the image into a plurality of images, and a light collecting element 12 configured to collect, on a pupil 32 of a viewer 31, a plurality of images divided by the optical splitter 11 and emitted from the optical splitter 11, and if a focal distance of the light collecting element 12 is denoted by F0 (unit: mm) and an optical distance from the optical splitter 11 to the light collecting element 12 is by L0 (unit: mm), L0=F0±10 is satisfied.
11
EP3368236B1
LIGHT RECYCLING FOR ADDITIVE MANUFACTURING OPTIMIZATION
Publication/Patent Number: EP3368236B1 Publication Date: 2021-01-20 Application Number: 16860878.4 Filing Date: 2016-10-28 Inventor: Demuth, James A.   Toomre, Erik   Leard, Francis L.   Kamshad, Kourosh   Fees, Heiner   Berdichevsky, Eugene   Assignee: Seurat Technologies, Inc.   IPC: B22F3/105
12
CN112285815A
衍射器件、分光装置和衍射器件的制造方法
Public
Publication/Patent Number: CN112285815A Publication Date: 2021-01-29 Application Number: 202010718667.0 Filing Date: 2020-07-23 Inventor: 助川隆   Assignee: 佳能株式会社   IPC: G02B5/18 Abstract: 本发明涉及衍射器件、分光装置和衍射器件的制造方法。衍射器件包括ZnS构件和耦合到ZnS构件的ZnSe构件,并且,衍射光栅被设置在ZnSe构件上。
13
US2021033876A1
OPTICAL DEVICE
Publication/Patent Number: US2021033876A1 Publication Date: 2021-02-04 Application Number: 16/782,910 Filing Date: 2020-02-05 Inventor: Kim, Heekyung   Assignee: PRAZEN.CO., LTD.   IPC: G02B27/10 Abstract: The present disclosure relates to an optical device of a projector. More specifically, the present disclosure relates to an optical device including a beam splitter which reflects a light beam of a display pannel unit and transmits a light beam sensing an image of the screen, or transmits a light beam of the display pannel unit and reflects a light beam sensing the image of the screen.
14
US2021033381A1
RETRO-INTERFEROMETER HAVING ACTIVE READADJUSTMENT
Publication/Patent Number: US2021033381A1 Publication Date: 2021-02-04 Application Number: 17/074,974 Filing Date: 2020-10-20 Inventor: Keens, Axel   Assignee: Bruker Optik GmbH   IPC: G01B9/02 Abstract: An interferometer arrangement includes a beam splitter (8), two retroreflectors (15, 16), a drive (24) that moves at least one of the retroreflectors to alter an optical path difference between interferometer arms (13, 14), a converging element (18) for reference light, and a reference light detector (19) with at least three detector areas (19a-19d). First and second pairs of detector areas are aligned in respective first and second directions, wherein the first direction, the second direction and a central propagation direction of the reference light at the reference light detector are linearly independent. At least two actuators (9, 10) alter a lateral shear between two reference light partial beams (11, 12), which are reflected back from the interferometer arms and superimposed at the beam splitter, in at least two degrees of freedom. Control electronics (38) control the actuators depending on signals (Sa-Sc) at the detector areas, thereby minimizing the shear.
15
CN109061889B
一种光学冷原子陷俘装置
Grant
Publication/Patent Number: CN109061889B Publication Date: 2021-02-09 Application Number: 201810808672.3 Filing Date: 2018-07-20 Inventor: 李攀   刘元正   李俊   雷兴   蒋樱子   胡强   丁小昆   Assignee: 中国航空工业集团公司西安飞行自动控制研究所   IPC: G02B27/10 Abstract: 本发明属于原子光学技术,涉及一种光学冷原子陷俘装置。本发明光学冷原子陷俘装置包括光源(1)、探测器(2)、基座(3)和设置在基座(3)上的冷却光路元件(4)、真空腔(5)和线圈(6)。其中,所述光源(1)包含两台激光器,设置在基座(3)侧面;所述探测器(2)包含两台光电探测器,设置在基座(3)侧面;所述基座(3)为微晶玻璃材质的高精度光学平台;所述冷却光路元件(4)为微晶玻璃材质或石英玻璃材质制成,并与同为微晶玻璃材质的真空腔(5)低温键合在基座(3)上;所述线圈(6)为反亥姆霍兹线圈,对称设置在真空腔(5)两侧。本发明提供一种主体完全由零膨胀玻璃组成的光学冷原子陷俘装置,大幅度提高磁光阱的稳定性和环境适应性,满足冷原子惯性器件的工程使用需求。
16
CN212302116U
一种基于双色镜的双光同轴模组
Grant
Publication/Patent Number: CN212302116U Publication Date: 2021-01-05 Application Number: 202021571512.0 Filing Date: 2020-07-31 Inventor: 王健美   Assignee: 陕西精耀光电技术有限公司   IPC: G02B27/10 Abstract: 本实用新型提供了一种基于双色镜的双光同轴模组,涉及光电技术领域,解决了现有技术中双光模组结构复杂体积大,调节操作复杂的技术问题。该基于双色镜的双光同轴模组包括设有分光镜插槽、第一发射装置插槽和第二发射装置插槽的模组主体、第一激光发射装置、第二激光发射装置和二色分光镜;第一激光发射装置发射的第一激光束能照射至二色分光镜的第一面并第一面反射;第二激光发射装置发射出的第二激光束能照射至二色分光镜的第二面并经过二色分光镜折射后由二色分光镜的第一面射出并与被反射的第一激光束同轴重合,同轴重合后的激光束由模组主体的出光口射出。本实用新型用于提供一种结构精巧、调节和操作也很简单的双光模组。
17
US10908507B2
Micro LED array illumination source
Publication/Patent Number: US10908507B2 Publication Date: 2021-02-02 Application Number: 15/910,775 Filing Date: 2018-03-02 Inventor: Chen, Jang Fung   Bencher, Christopher Dennis   Assignee: Applied Materials, Inc.   IPC: G03F7/20 Abstract: Embodiments of the present disclosure generally relate to apparatuses and systems for performing photolithography processes. More particularly, compact illumination tools for projecting an image onto a substrate are provided. In one embodiment, an illumination tool includes a microLED array including one or more microLEDs. Each microLED produces at least one light beam. The illumination tool also includes a beamsplitter adjacent the microLED array, a camera adjacent the beamsplitter, and a projection optics system adjacent the beamsplitter.
18
CN108955873B
一种空间反聚束现象的产生系统和方法
Grant
Publication/Patent Number: CN108955873B Publication Date: 2021-01-08 Application Number: 201810456513.1 Filing Date: 2018-05-14 Inventor: 陈希浩   孟少英   付强   孔繁慧   李国栋   沙颖慧   史伟伟   吴炜   张静   Assignee: 辽宁大学   IPC: G01J1/42 Abstract: 本发明涉及一种空间反聚束现象的产生系统和方法。系统包括,光源(1)、非偏振分束器(2)、用于采集探测臂光路的光场强度空间分布信号的探测臂单像素探测器(3‑1),用于采集参考臂光路的光场强度分布信号的探测臂探测器(3‑1)、探测臂滤波器(4‑1)及符合测量系统(5)。并提供给了应用该系统,实现空间反聚束现象的产生方法。本发明中提出的系统和方法能够观测非经典光场才具有的反聚束效应,在量子光学和量子信息领域具有重要的理论和实验意义。该方法也具有广泛的应用价值,可以用于成具有超分辨能力的关联负像,无背景超分辨关联成像,亚波长干涉等。
19
CN108132542B
带有栅棱结构的轻型分束器及制作方法
Grant
Publication/Patent Number: CN108132542B Publication Date: 2021-01-22 Application Number: 201711380863.6 Filing Date: 2017-12-20 Inventor: 梁静秋   梁中翥   陶金   孟德佳   王维彪   吕金光   秦余欣   Assignee: 中国科学院长春光学精密机械与物理研究所   IPC: G02B27/10 Abstract: 带有栅棱结构的轻型分束器及制作方法,涉及光谱探测与光谱分析技术领域中的一种光学分束器件,具体涉及一种基于分束窗结构的微小型分束器。解决现有分束器体积、重量大,无法满足仪器微小型化应用需求的问题。由栅棱、分束窗和分束膜组成,栅棱对分束器进行空间分割形成分束窗阵列,分束膜位于分束窗上表面或分束窗和栅棱的上表面,栅棱对分束膜起支撑作用;栅棱横向宽度与纵向宽度相同或不同,分束窗横向宽度与纵向宽度相同或不同,分束窗在横向和纵向的占空比相同;栅棱宽度范围为1nm‑100cm,分束窗宽度范围为1nm‑100cm;栅棱厚度范围为1nm‑10cm,分束窗厚度范围为1nm‑10cm;栅棱的剖面结构为单面矩形、单面平行四边形、单面梯形、双面矩形、双面平行四边形或双面梯形。
20
CN110376750B
一种基于自由曲面透镜的分束器
Grant
Publication/Patent Number: CN110376750B Publication Date: 2021-02-02 Application Number: 201910687313.1 Filing Date: 2019-07-29 Inventor: 冯泽心   司佳   程德文   王涌天   Assignee: 北京理工大学   IPC: G02B27/09 Abstract: 本发明公开了一种基于自由曲面透镜的分束器,能够实现大角度和高精度的光束分束,并且结构简单、易于加工。方案具体为:光源发出的光束经分束器之后在投影面上形成光斑阵列,分束器包括一个自由曲面透镜,自由曲面透镜包括前后两个表面,其中前表面为连续面,后表面由设定数量的自由曲面块边缘紧密拼接组成;自由曲面块的面形拟合多项式为xy多项式;每个自由曲面块对应投影面上的一块照明区域,自由曲面块的数量不少于光斑阵列中光斑数量。
Total 500 pages