公开(公告)号：US20180011334A1

公开(公告)日：2018-01-11

申请号：US15644527

申请日：2017-07-07

Applicant: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.

Inventor： Uwe Detlef Zeitner ,  Thomas Flügel-Paul ,  Dirk Michaelis ,  Torsten Harzendorf

IPC: G02B27/42 ,  G02B5/18

CPC classification number: G02B27/4244 ,  G01J3/1804 ,  G01J2003/1208 ,  G02B5/1809 ,  G02B5/1814 ,  G02B5/1861

Abstract: An optical arrangement for spectral decomposition of light is disclosed. In an embodiment the optical arrangement includes a reflection diffraction grating, a first medium with a refractive index nin arranged on a light incidence side of the reflection diffraction grating; and a second medium with a refractive index nG arranged on a side of the reflection diffraction grating that faces away from the light incidence side, with nin>nG, wherein the optical arrangement is configured in such a way that light impinges on the reflection diffraction grating from the first medium at an angle of incidence α, wherein a condition sin(α)>nG/nin is satisfied, wherein the reflection diffraction grating comprises a layer system with at least one unstructured layer and at least one structured layer, wherein the at least one structured layer has a periodic structure with a period p in lateral direction, and wherein the period p meets the following conditions: p λ/[nin*sin(α)+nin].

公开(公告)号：US09709441B2

公开(公告)日：2017-07-18

申请号：US14649065

申请日：2013-11-29

Applicant: HORIBA JOBIN YVON SAS

Inventor： Olivier Acher ,  Simon Richard

IPC: G01J3/447 ,  G01J3/02

CPC classification number: G01J3/0224 ,  G01J3/0208 ,  G01J3/021 ,  G01J3/1804 ,  G01J3/447 ,  G01J2003/1208

Abstract: A spectrometer (100) for analyzing the spectrum of an upstream light beam (1) includes an entrance slit (101) and angular dispersing elements (130). The angular dispersing elements include at least one polarization-dependent diffraction grating that is suitable for, at the plurality of wavelengths (1, 2, 3), diffracting a corrected light beam (20) into diffracted light beams (31, 32, 33) in a given particular diffraction order of the polarization-dependent diffraction grating, which is either the +1 diffraction order or the −1 diffraction order, when the corrected light beam has a preset corrected polarization state that is circular; and the spectrometer includes elements for modifying polarization (1100) placed between the entrance slit and the angular dispersion elements, which are suitable for modifying the polarization state of the upstream light beam in order to generate the corrected light beam with a preset corrected polarization state.

公开(公告)号：US09638577B2

公开(公告)日：2017-05-02

申请号：US14909666

申请日：2014-08-04

Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

Inventor： Jacques Luce

IPC: G01J5/02 ,  G01J3/30 ,  G01J3/02 ,  G01J3/18

CPC classification number: G01J3/30 ,  G01J3/0205 ,  G01J3/0256 ,  G01J3/1804

Abstract: A spectrometer including: a spectral dispersion mechanism of an initial light beam; and a photodetector. The spectral dispersion mechanism includes at least three reflective diffraction gratings parallel to consecutive sides of a convex polygon, arranged such that a portion of the initial light beam is diffracted once by each diffraction grating in turn and is diffracted at least a second time by at least one of the diffraction gratings.

公开(公告)号：US09594253B2

公开(公告)日：2017-03-14

申请号：US14294480

申请日：2014-06-03

Applicant: CANON KABUSHIKI KAISHA ,  The University of Tokyo

Inventor： Takashi Sukegawa ,  Yohei Kobayashi ,  Akira Ozawa ,  Mamoru Endo ,  Makoto Gonokami

IPC: G01N21/00 ,  G02B27/10 ,  G01J3/28 ,  G01J3/18 ,  G01N21/75 ,  G02B5/18 ,  G01J3/02 ,  G01J1/04 ,  G01J3/22

CPC classification number: G02B27/1086 ,  G01J1/0411 ,  G01J1/0414 ,  G01J1/0425 ,  G01J3/0208 ,  G01J3/021 ,  G01J3/0218 ,  G01J3/0221 ,  G01J3/0291 ,  G01J3/18 ,  G01J3/1804 ,  G01J3/22 ,  G01J3/2823 ,  G01J2003/1861 ,  G01N21/75 ,  G02B5/18 ,  G02B2005/1804

Abstract: The present invention provides a spectral apparatus for spectrally separating light including a predetermined wavelength, including a slit that the light enters, a first optical system configured to collimate the light from the slit, a transmissive type diffraction element configured to diffract the light from the first optical system, and a second optical system including a first mirror configured to reflect the light diffracted by the transmissive type diffraction element, and a second mirror configured to reflect the light reflected by the first mirror and diffracted by the transmissive type diffraction element, and configured to make the light reciprocally travel between the first mirror and the second mirror via the transmissive type diffraction element.

Abstract translation: 本发明提供了一种用于光谱分离包括光入射的狭缝的预定波长的光的光谱装置，被配置为准直来自狭缝的光的第一光学系统，被配置为衍射来自第一 光学系统，以及第二光学系统，包括被配置为反射由透射型衍射元件衍射的光的第一反射镜，以及被配置为反射由第一反射镜反射并被透射型衍射元件衍射的光的第二反射镜， 以使光通过透射型衍射元件在第一反射镜和第二反射镜之间往复行进。

公开(公告)号：US20170059405A1

公开(公告)日：2017-03-02

申请号：US14965695

申请日：2015-12-10

Applicant: National Chiao Tung University

Inventor： Cheng-Sheng HUANG ,  Hsin-An LIN

IPC: G01J3/02

CPC classification number: G01J3/0205 ,  G01J3/0218 ,  G01J3/1804 ,  G01J3/26

Abstract: A dispersive element is incorporated with an optical sensor as a spectrometer. The dispersive element includes a guided-mode resonance filter having a plurality of resonance regions. The resonance regions respectively have different filter characteristics, each reflecting a first light beam of a tested light source or transmitting a second light beam of the tested light source light source to the optical sensor, wherein the wavelength of the first light beam is different from that of the second light beam. In one embodiment, the dispersive element is incorporated with an optical sensor to form a miniature, high-resolution and low-cost spectrometer. The spectrometer makes use of the transmission efficiencies of the resonance regions of the guided-mode resonance filter and the light intensity distribution detected by the photosensitive regions of the optical sensor to acquire the spectral data of the tested light source.

Abstract translation: 分散元件与光学传感器结合，作为光谱仪。 分散元件包括具有多个谐振区域的导模谐振滤波器。 共振区域分别具有不同的滤光器特性，每一个反射被测光源的第一光束或将被测光源光源的第二光束透射到光学传感器，其中第一光束的波长与 的第二光束。 在一个实施例中，色散元件与光学传感器结合以形成微型，高分辨率和低成本的光谱仪。 光谱仪利用了导模谐振滤波器的谐振区域的传输效率和由光学传感器的感光区域检测到的光强度分布，以获得测试光源的光谱数据。

公开(公告)号：US09395241B1

公开(公告)日：2016-07-19

申请号：US14850137

申请日：2015-09-10

Applicant: BBB INC.

Inventor： Jaekyu Choi

IPC: G01J3/28 ,  G01J3/02 ,  G01J3/18

CPC classification number: G01J3/0208 ,  G01J3/0205 ,  G01J3/0259 ,  G01J3/1804 ,  G01J3/42 ,  G01N21/0303 ,  G01N21/05 ,  G01N21/85

Abstract: The present disclosure relates to a self-aligned spectrometer according to claim 1, comprising: a fixing device composed of light-transmittable materials, and which includes an air lens placed within the fixing device, and an optical waveguide of which at least a partial part is inserted and fixed in place within the fixing device through the first face of the fixing device.

Abstract translation: 本发明涉及根据权利要求1所述的自对准光谱仪，包括：由透光材料构成的固定装置，其包括放置在所述定影装置内的空气透镜，以及光波导，其至少部分部分 通过定影装置的第一面插入并固定在定影装置内的适当位置。

公开(公告)号：US09304038B2

公开(公告)日：2016-04-05

申请号：US14322986

申请日：2014-07-03

Applicant: Bioptigen, Inc.

Inventor： Christopher Saxer ,  Robert H. Hart ,  Eric L. Buckland ,  Peter Huening ,  Bradley A. Bower

IPC: G01J3/28 ,  G01J3/02 ,  A61B3/10 ,  A61B5/00 ,  G01J3/14 ,  G01J3/18 ,  G01J3/12

CPC classification number: G01J3/0208 ,  A61B3/1005 ,  A61B5/0066 ,  G01J3/14 ,  G01J3/1804 ,  G01J3/28 ,  G01J2003/1208

Abstract: Wavenumber linear spectrometers are provided including an input configured to receive electromagnetic radiation from an external source; collimating optics configured to collimate the received electromagnetic radiation; a dispersive assembly including first and second diffractive gratings, wherein the first diffraction grating is configured in a first dispersive stage to receive the collimated electromagnetic radiation and wherein the dispersive assembly includes at least two dispersive stages configured to disperse the collimated input; and an imaging lens assembly configured to image the electromagnetic radiation dispersed by the at least two dispersive stages onto a linear detection array such that the variation in frequency spacing along the linear detection array is no greater than about 10%.

Abstract translation: 提供波数线性光谱仪，其包括被配置为从外部源接收电磁辐射的输入; 准直光学器件，被配置成准直所接收的电磁辐射; 包括第一和第二衍射光栅的分散组件，其中所述第一衍射光栅被配置在第一色散级中以接收所述准直电磁辐射，并且其中所述色散组件包括被配置为分散所述准直输入的至少两个色散级; 以及成像透镜组件，被配置为将由至少两个色散级分散的电磁辐射成像到线性检测阵列上，使得沿着线性检测阵列的频率间隔的变化不大于约10％。

公开(公告)号：US09158117B2

公开(公告)日：2015-10-13

申请号：US12735946

申请日：2009-03-05

Applicant: Ming Li ,  Yaping Dai ,  Tao Wang ,  Bin Zhang

Inventor： Ming Li ,  Yaping Dai ,  Tao Wang ,  Bin Zhang

IPC: G02B17/00 ,  G02B27/09 ,  G01J3/18 ,  G02B19/00 ,  G01J3/24 ,  G01J3/12 ,  H01S3/00

CPC classification number: G02B27/0944 ,  G01J3/1804 ,  G01J3/24 ,  G01J2003/1282 ,  G02B19/0023 ,  G02B19/0052 ,  G02B27/0927 ,  G02B27/0983 ,  H01S3/005

Abstract: A spectra shaping apparatus for chirped pulse amplification(CPA) comprises a CTSI spectral decomposition system and a CTSI spectral synthesizing system being symmetrical, and a spectral modulating system composed of a diaphragm (10) and a plane spectra modulating reflector (5), wherein the CTSI spectral decomposition system totally expands a laser chirped pulse to a spectra plane, the spectral modulating system performs a spectra modulation on the image plane, and the CTSI spectral synthesizing system reverts the modulated spectra into the chirped pulse without distortion, thereby realizing spectra shaping. The apparatus has the feature of manufacturing easy, compacting structure, requiring less space, and cheap in cost etc., which can be different types of configuration for different circumstance application, and which can be utilized in a general laser spectrum shaping and spectrum modulation, especially for a high energy and ultra-high peak-power laser system with a large caliber and a broadband of pulse.

Abstract translation: 用于啁啾脉冲放大（CPA）的光谱整形装置包括对称的CTSI光谱分解系统和CTSI光谱合成系统，以及由光阑（10）和平面光谱调制反射器（5）组成的光谱调制系统，其中 CTSI光谱分解系统将激光啁啾脉冲完全扩展到光谱平面，光谱调制系统在图像平面上进行光谱调制，CTSI光谱合成系统将调制光谱恢复为无畸变的啁啾脉冲，从而实现光谱整形。 该装置具有制造容易，压实结构的特点，需要较少的空间和便宜的成本等，可以为不同情况应用的不同类型的配置，并且其可以用于一般的激光频谱整形和频谱调制， 特别适用于具有大口径和宽带脉冲的高能量和超高峰值功率激光系统。

公开(公告)号：US09146155B2

公开(公告)日：2015-09-29

申请号：US12966083

申请日：2010-12-13

Applicant: Cheng-Hao Ko

Inventor： Cheng-Hao Ko

IPC: G01J3/28 ,  G01J3/02 ,  G01J3/18 ,  G01J3/20 ,  G01J3/24 ,  G02B5/18

CPC classification number: G01J3/02 ,  G01J3/0218 ,  G01J3/0291 ,  G01J3/1804 ,  G01J3/1838 ,  G01J3/20 ,  G01J3/24 ,  G02B5/1861

Abstract: The invention concerns an optical system. The optical system comprises an input for receiving an optical signal, a predetermined output plane, and a diffraction grating for separating the optical signal received at the input into spectral elements thereof. The grating has a diffraction surface, which is formed by a photolithography process. The diffraction surface has a first predetermined profile. The first profile is formed by a plurality of points each conducted by different equations. Consequently, each spectral component is focused on the predetermined output plane.

Abstract translation: 本发明涉及一种光学系统。 光学系统包括用于接收光信号，预定输出平面的输入端和用于将在输入处接收的光信号分离为其光谱元件的衍射光栅。 光栅具有通过光刻工艺形成的衍射表面。 衍射面具有第一预定轮廓。 第一轮廓由多个点组成，每个点由不同方程式进行。 因此，每个频谱分量聚焦在预定的输出平面上。

公开(公告)号：US20150204511A1

公开(公告)日：2015-07-23

申请号：US14413887

申请日：2013-07-09

Applicant: Heptagon Micro Optics Pte. Ltd.

Inventor： Hartmut Rudmann ,  Markus Rossi

IPC: F21V7/00 ,  F21V13/02 ,  G01J1/04 ,  G02B7/182 ,  G01J1/02

CPC classification number: F21V7/0033 ,  F21V13/02 ,  G01J1/0271 ,  G01J1/0407 ,  G01J3/0205 ,  G01J3/0256 ,  G01J3/0262 ,  G01J3/0264 ,  G01J3/0291 ,  G01J3/1804 ,  G02B5/10 ,  G02B7/003 ,  G02B7/021 ,  G02B7/182 ,  G02B17/023 ,  G02B27/4244 ,  H01L27/14601 ,  H01L31/02325 ,  Y10T29/49826

Abstract: The optical module (1) comprises—a first member (O) having a first face (F1) which is substantially planar;—a second member (P) having a second face (F2) facing the first face (F1), which is substantially planar and is aligned substantially parallel to the first face;—a third member (S) comprised in the first member (O) or comprised in the second member (P) or distinct from and located between these, which comprises an opening (4);—a mirror element (31′; 31′″) present on the second face (F2); and—an active optical component (26) present on the second face (F2) and electrically connected to the second member (P); wherein at least one of the first and second members comprises one or more transparent portions (t) through which light can pass. The method for manufacturing the optical module (1) comprises the steps of a) providing a first wafer; b) providing a second wafer on which the mirror elements (31′. . . ) are present; c) providing a third wafer, wherein the third wafer is comprised in the first wafer or is comprised in the second wafer or is distinct from these, and wherein the third wafer comprises openings (4); e) forming a wafer stack comprising these wafers; wherein at least one of the first wafer and the second wafer comprises transparent portions (t) through which light can pass.

Abstract translation: 光学模块（1）包括：具有基本上平面的第一面（F1）的第一构件（O）; - 具有面向第一面（F1）的第二面（F2）的第二构件（P） 基本上平面且基本上平行于第一面排列; - 包括在第一构件（O）中或包含在第二构件（P）中或与之不同的第三构件（S），其包括开口（4） ）; - 存在于所述第二面（F2）上的镜子元件（31'; 31“）; 和存在于所述第二面（F2）上的电连接到所述第二构件（P）的有源光学部件（26）。 其中所述第一和第二构件中的至少一个包括光可以通过的一个或多个透明部分（t）。 制造光学模块（1）的方法包括以下步骤：a）提供第一晶片; b）提供其上存在镜子元件（31'）的第二晶片; c）提供第三晶片，其中所述第三晶片包括在所述第一晶片中或包含在所述第二晶片中或与所述第三晶片不同，并且其中所述第三晶片包括开口（4）; e）形成包括这些晶片的晶片堆叠; 其中所述第一晶片和所述第二晶片中的至少一个包括光可以通过的透明部分（t）。