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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1
CN112229516A
一种用于快照式成像光谱仪的分光成像系统及其成像方法
Substantial Examination
Publication/Patent Number: CN112229516A Publication Date: 2021-01-15 Application Number: 202011204846.9 Filing Date: 2020-11-02 Inventor: 季轶群   谭奋利   Assignee: 苏州大学   IPC: G01J3/28 Abstract: 本发明涉及一种用于快照式成像光谱仪的分光成像系统及其成像方法。分光成像系统为共轴对称式结构,包括分光元件及对称设置于分光元件两侧的准直镜片组和聚焦镜片组。成像方法为入射光线通过准直透镜组,得到平行于光轴的复色平行光束,入射至分光元件,经由全息光栅和棱镜组合的分光元件分光后,出射平行于光轴的不同波长的单色平行光束,入射至聚焦镜片组,经聚焦后成像于探测器处。本发明提供的分光成像系统具有大相对孔径、光谱分辨率高、光能利用率高、结构简单紧凑等特点,应用前景广阔。
2
CN112219108A
光谱仪和包括光谱仪的仪器
Substantial Examination
Publication/Patent Number: CN112219108A Publication Date: 2021-01-12 Application Number: 201980037691.3 Filing Date: 2019-05-01 Inventor: 玛萨·法萨德   大卫·艾肯斯   Assignee: 珀金埃尔默健康科学有限公司   IPC: G01N21/73 Abstract: 本文描述了包括中阶梯光栅和交叉色散器的光谱仪以及包括此类光谱仪的仪器的某些配置。所述光谱仪被配置为在空间上分离所提供的波长的光以准许检测每种所提供的波长的光或对每种所提供的波长的光进行成像。可使用本文描述的所述光谱仪来实现改善的灵敏度和检测限。
3
CN112285923A
波数线性色散光学系统的设计方法及成像光谱仪
Public
Publication/Patent Number: CN112285923A Publication Date: 2021-01-29 Application Number: 202011240668.5 Filing Date: 2020-11-09 Inventor: 包建   沈秋阳   陈新华   沈为民   Assignee: 苏州大学   IPC: G02B27/00 Abstract: 本发明公开了一种波数线性色散光学系统的设计方法及成像光谱仪,包括构建光学系统,所述光学系统包括依次设置的光栅、棱镜和物镜,所述光栅与棱镜贴合;定义线性度评价系数RMS;通过调整棱镜顶角以使得线性度评价系数RMS取得最小值;当所述线性度评价系数RMS最小时,所述棱镜顶角为α;由棱镜顶角为α时等差波数在像面的位置间隔,获取物镜的畸变和垂轴色差的补偿量;根据物镜的畸变和垂轴色差的补偿量优化物镜,获得优化后的光学系统。其利用物镜像差补偿波数线性,实现在不分离光栅和棱镜的情况下获得更高的波数线性,能量利用率高,适用范围广,成本低。
4
US10891721B2
Method for reconstructing hyperspectral image using prism and system therefor
Publication/Patent Number: US10891721B2 Publication Date: 2021-01-12 Application Number: 16/140,347 Filing Date: 2018-09-24 Inventor: Kim, Min Hyuk   Baek, Seung-hwan   Kim, Incheol   Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY   IPC: G06T5/00 Abstract: A method for reconstructing a hyperspectral image and a system therefor are provided. The method includes obtaining a dispersion model for dispersion created by a prism included in a camera, the prism including no coded aperture, and reconstructing a hyperspectral image corresponding to a captured image based on the dispersion model.
5
US2021011302A1
SPECTRAL FEATURE CONTROL APPARATUS
Publication/Patent Number: US2021011302A1 Publication Date: 2021-01-14 Application Number: 17/034,132 Filing Date: 2020-09-28 Inventor: Mason, Eric Anders   Assignee: Cymer, LLC   IPC: G02B27/42 Abstract: A spectral feature selection apparatus includes a dispersive optical element arranged to interact with a pulsed light beam; three or more refractive optical elements arranged in a path of the pulsed light beam between the dispersive optical element and a pulsed optical source; and one or more actuation systems, each actuation system associated with a refractive optical element and configured to rotate the associated refractive optical element to thereby adjust a spectral feature of the pulsed light beam. At least one of the actuation systems is a rapid actuation system that includes a rapid actuator configured to rotate its associated refractive optical element about a rotation axis. The rapid actuator includes a rotary stepper motor having a rotation shaft that rotates about a shaft axis that is parallel with the rotation axis of the associated refractive optical element.
6
US2021018440A1
HIGH-THROUGHPUT HYPERSPECTRAL IMAGING SYSTEMS
Publication/Patent Number: US2021018440A1 Publication Date: 2021-01-21 Application Number: 17/062,191 Filing Date: 2020-10-02 Inventor: Sinha, Supriyo   Santori, Charles   Conrad, Andrew   Assignee: Verily Life Sciences LLC   IPC: G01N21/64 Abstract: High-throughput hyperspectral imaging systems are provided. According to an aspect of the invention, a system includes an excitation light source; an objective that is configured to image excitation light onto the sample, such that the excitation light causes the sample to emit fluorescence light; a channel separator that is configured to separate the fluorescence light into a plurality of spatially dispersed spectral channels; and a sensor. The excitation light source includes a light source and a plurality of lenslet arrays. Each of the lenslet arrays is configured to receive light from the light source and to generate a pattern of light, and the patterns of light generated by the lenslet arrays are combined to form the excitation light. The objective is configured to simultaneously image each of the patterns of light to form a plurality of parallel lines or an array of circular spots at different depths of the sample.
7
CN112326582A
长波红外成像光谱仪光学系统
Public
Publication/Patent Number: CN112326582A Publication Date: 2021-02-05 Application Number: 202011297869.9 Filing Date: 2020-11-19 Inventor: 向康   吴耀   熊涛   王海涛   胡栋   Assignee: 湖北久之洋红外系统股份有限公司   IPC: G01N21/35 Abstract: 本发明公开了一种长波红外成像光谱仪光学系统,由物方至像方的光轴方向上,该光学系统依次包括前组望远物镜组(L1)、狭缝(L2)和准直物镜组(L3);狭缝(L2)位于前组望远物镜组(L1)的成像位置;准直物镜组(L3)将透过狭缝(L2)的光束准直成平行光;该光学系统还包括:平面衍射光栅(L4),经准直后的平行光入射在其上并发生衍射,不同波长的光因衍射角不同而色散分光;后组成像物镜组(L5),将经平面衍射光栅(L4)色散的衍射光按波长成像到红外探测器焦平面上。本发明具有光谱分辨率高、色散线性度好、稳定性好等优点,且结构简单、成本低廉、易于实现。
8
US2021038083A1
MULTI-WAVELENGTH WEARABLE DEVICE FOR NON-INVASIVE BLOOD MEASUREMENTS IN TISSUE
Publication/Patent Number: US2021038083A1 Publication Date: 2021-02-11 Application Number: 17/078,771 Filing Date: 2020-10-23 Inventor: Islam, Mohammed N.   Assignee: OMNI MEDSCI, INC.   IPC: A61B5/00 Abstract: A system for measuring one or more physiological parameters is provided with a wearable device that includes a light source comprising a driver and a plurality of semiconductor sources that generate an output optical light. The wearable device comprises: one or more lenses to receive at least a portion of the output optical light and to deliver a lens output light to tissue, and a detection system to receive at least a portion of the lens output light reflected from the tissue and to generate an output signal having a signal-to-noise ratio, and to be synchronized to the light source. The detection system comprises at least one analog to digital converter coupled to at least one spatially separated detector. The plurality of semiconductor sources comprises six light emitting diodes, and wherein the plurality of semiconductor sources and the plurality of spatially separated detectors are located on one or more arcs.
9
US10918287B2
System for non-invasive measurement using cameras and time of flight detection
Publication/Patent Number: US10918287B2 Publication Date: 2021-02-16 Application Number: 16/880,095 Filing Date: 2020-05-21 Inventor: Islam, Mohammed N.   Assignee: OMNI MEDSCI, INC.   IPC: G01J3/00 Abstract: A measurement system comprises a pulsed laser diode array that includes one or more Bragg reflectors, and wherein the light generated by the array penetrates tissue comprising skin. At least some of the wavelengths of light are in the near infrared. The detection system is synchronized to the laser diode array and comprises an infrared camera and a first receiver comprising a plurality of detectors. The first receiver comprises one or more detector arrays and performs a time-of-flight measurement. The measurement system generates an image, the detection system non-invasively measures blood in blood vessels within or below a dermis layer within the skin based at least in part on near-infrared diffuse reflection from the skin, and the detection system measures absorption of hemoglobin between 700 and 1300 nanometers wavelength range. A processor compares the absorption of hemoglobin between different tissue spatial locations, and the measurement system processes the time-of-flight measurement.
10
US2020278251A1
MULTI-SPECTRAL IMAGE PRINITING METHOD
Publication/Patent Number: US2020278251A1 Publication Date: 2020-09-03 Application Number: 16/757,232 Filing Date: 2018-10-22 Inventor: Scholefield, Adam   Vetterli, Martin   Bellouard, Yves   Pacholska, Michalina   Baechler, Gilles   Latty, Arnaud   Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)   IPC: G01J3/28 Abstract: The present disclosure concerns a multi-spectral image printing method. The method includes the steps of:—providing a multi-spectral image;—providing a material;—determining changes in a refractive index value of the material permitting to reproduce the multi-spectral image when the material is illuminated; and—generating the changes in refractive index value in the material.
11
CN111562006A
一种红外面场光谱仪光学系统及设计方法
Substantial Examination
Publication/Patent Number: CN111562006A Publication Date: 2020-08-21 Application Number: 202010440804.9 Filing Date: 2020-05-22 Inventor: 袁立银   谢佳楠   李春来   Assignee: 中国科学院上海技术物理研究所   IPC: G01J3/28 Abstract: 本发明公开了一种红外面场光谱仪光学系统及设计方法,由视场光栏、准直镜、棱镜组、会聚镜和滤光片组成。光学系统为透射式,来自物方的光线从视场光栏出发,经过准直镜准直,再经过棱镜组色散,经过会聚镜会聚,再经滤光片后到达像面。视场光栏一侧表面刻有根据孔径编码算法设计的二维掩膜图案,色散元件为棱镜组。采用整体综合优化方法进行光学系统设计,确保光谱仪的像质、光谱畸变的同时,能有效减少光学元件数量,增大面区域视场。本发明的优点是:面视场大、像质优、光学效率高、光谱畸变低、光谱线性良好、结构简单紧凑,可用作大面场计算成像光谱仪的分光系统。
12
EP3460427B1
METHOD FOR RECONSTRUCTING HYPERSPECTRAL IMAGE USING PRISM AND SYSTEM THEREFOR
Publication/Patent Number: EP3460427B1 Publication Date: 2020-06-03 Application Number: 18196285.3 Filing Date: 2018-09-24 Inventor: Kim, Min Hyuk   Baek, Seung-hwan   Kim, Incheol   Assignee: Korea Advanced Institute of Science and Technology   IPC: G01J3/14
13
EP3699573A1
SAMPLE MEASUREMENT DEVICE AND SAMPLE MEASUREMENT METHOD
Publication/Patent Number: EP3699573A1 Publication Date: 2020-08-26 Application Number: 20156585.0 Filing Date: 2020-02-11 Inventor: Sasaki, Kazuhiro   Yamamoto, Takeshi   Assignee: SYSMEX CORPORATION   IPC: G01N15/14 Abstract: Disclosed is a sample measurement device including: a light applicator configured to apply a light to a sample so as to generate light from a particle in the sample; an optical block in which a plurality of prisms are fixed, each of the plurality of prisms including a light entry surface which allows entry thereinto of the light generated from the particle in the sample, a reflection surface configured to selectively reflect a part of the light having entered the light entry surface, and a light outputting surface configured to output the light reflected by the reflection surface; and a light receiver configured to receive the light outputted from the light outputting surface of each of the plurality of prisms.
14
CN109579995B
一种增强静态双折射干涉光谱分辨率的方法及其装置
Grant
Publication/Patent Number: CN109579995B Publication Date: 2020-04-28 Application Number: 201811307503.8 Filing Date: 2018-11-05 Inventor: 李杰   吴海英   齐春   Assignee: 西安交