公开(公告)号：US09645011B2

公开(公告)日：2017-05-09

申请号：US12965165

申请日：2010-12-10

Applicant: Hiroshi Okabe ,  Kenichi Matoba ,  Kazuhiko Oka

Inventor： Hiroshi Okabe ,  Kenichi Matoba ,  Kazuhiko Oka

IPC: G01J4/04 ,  G01J3/447

CPC classification number: G01J4/04 ,  G01J3/447

Abstract: In the channeled spectroscopic polarimetry, a measurement error of a parameter showing a spectropolarization characteristic of a sample is effectively removed, the error being generated by various variations in retardation of a retarder depending upon the state of the sample. With attention being focused that the retardation of the retarder may be kept constant by stabilization of an incident direction of light that transmits through the retarder, the retarder was arranged on the light source side with respect to the sample so as to effectively remove an influence relative to a measurement error, such as variations in direction of a light ray due to the sample.

公开(公告)号：US20170030773A1

公开(公告)日：2017-02-02

申请号：US15221184

申请日：2016-07-27

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  CALIFORNIA INSTITUTE OF TECHNOLOGY

Inventor： Seunghoon HAN ,  Amir ARBABI ,  Andrei FARAON ,  Ehsan ARBABI

IPC: G01J3/02 ,  G01J3/447 ,  G01J3/28

CPC classification number: G01J3/0208 ,  B82Y20/00 ,  G01J3/0205 ,  G01J3/0224 ,  G01J3/0256 ,  G01J3/0259 ,  G01J3/2803 ,  G01J3/447

Abstract: A spectrometer includes a substrate; a slit which is provided on the substrate and through which light is incident onto the substrate; a metasurface including nanostructures that is configured to reflect and focus the light incident thereon through the slit, at different angles based on respective wavelengths; and a sensor which is provided on one side of the substrate that is opposite to another side of the substrate at which the metasurface is disposed, and configured to receive the light from the metasurface.

Abstract translation: 光谱仪包括基板; 狭缝，其设置在所述基板上并且光入射到所述基板上; 包括纳米结构的分表，其被配置为基于相应波长以不同的角度反射和聚焦通过狭缝入射到其上的光; 以及传感器，其设置在所述基板的与所述基板的设置有所述元面的另一侧相反的一侧，并且被配置为接收来自所述分表面的光。

公开(公告)号：US09383306B2

公开(公告)日：2016-07-05

申请号：US14937444

申请日：2015-11-10

Applicant: Universität Stuttgart

Inventor： Klaus Koerner ,  Arnulf Roeseler ,  Daniel Claus ,  Wolfgang Osten

IPC: G01J3/447 ,  G01N21/21 ,  G01N21/65 ,  G01B9/02

CPC classification number: G01N21/211 ,  G01B9/02091 ,  G01N21/65 ,  G01N2021/212 ,  G01N2021/213

Abstract: Disclosed herein is an apparatus for spectroscopic ellipsometry, preferably for infrared spectroscopic ellipsometry, and a method for spectroscopic ellipsometry employing the apparatus. In some embodiments, the apparatus may comprise a light source (12), a detector (30), a polarizer (40), an analyzer (41), and a measuring probe (10). In one embodiment, the measuring probe may comprise an ATR prism (50) having at least one first surface having at least one measuring portion (M) configured to be brought in optical contact with a measured object (72), and at least one second surface having at least one reflective portion (RX).

公开(公告)号：US09354434B2

公开(公告)日：2016-05-31

申请号：US13546055

申请日：2012-07-11

Applicant: Shigeharu Kimura

Inventor： Shigeharu Kimura

IPC: G01B9/02 ,  G02B21/00 ,  G02B27/09 ,  G01N21/47 ,  G01J3/453 ,  G01J9/02 ,  G01J3/447

CPC classification number: G02B21/0072 ,  G01B9/02038 ,  G01J3/447 ,  G01J3/453 ,  G01J9/02 ,  G01N21/4795 ,  G02B21/0056 ,  G02B21/0068 ,  G02B27/0988

Abstract: Provided is an optical apparatus characterized in that alight from a light source is split to a first light and a second light, and the first light is focused onto an observation object, that an optical filter having a light shielding region for high resolution is disposed in at least one optical path selected from optical paths of the first light, second light and response light from the observation object, that an interference light formed by causing interference between the response light and the reference light in polarized states different from each other is split to multiple beams, and desired amplitude information signals are obtained from the multiple beams through a phase plate and a polarization plate to increase intensity of the second light, whereby the signal to noise ratio is improved.

Abstract translation: 本发明提供一种光学装置，其特征在于，从光源照射到第一光和第二光，第一光聚焦在观察对象上，具有高分辨率的遮光区域的滤光器配置在 选自来自观察对象的第一光，第二光和响应光的光路中的至少一个光路，将由响应光和参考光之间的干涉引起的偏振状态彼此不同的干涉光分裂为 通过相位板和偏振板从多个光束获得多个光束和期望的幅度信息信号，以增加第二光的强度，从而提高信噪比。

公开(公告)号：US09316539B1

公开(公告)日：2016-04-19

申请号：US14844282

申请日：2015-09-03

Applicant: LightHaus Photonics Pte. Ltd.

Inventor： Poh Boon Phua

IPC: G01J3/46 ,  G01J3/02 ,  G01J3/447

CPC classification number: G01J3/0256 ,  G01J3/0205 ,  G01J3/0229 ,  G01J3/0272 ,  G01J3/447 ,  G01J3/4531 ,  G01J3/4532

Abstract: A spectrometer for measuring a spectral signature of an object comprises fringe generating optics for use with a camera and a processor. The fringe generating optics are formed of front optics and birefringent optics. The front optics comprises a diffuser adapted to receive light from the object. The birefringent optics is adapted to receive light from the diffuser and to generate interference fringes. The camera is adapted to receive the interference fringes and the processor generates the spectral signature of the object. This spectrometer is an improved Fourier transform spectrometer suitable for use with digital cameras, such as cameras found in mobile devices.

Abstract translation: 用于测量物体的光谱特征的光谱仪包括用于照相机和处理器的边缘产生光学器件。 边缘产生光学器件由前光学器件和双折射光学器件形成。 前光学器件包括适于接收来自物体的光的扩散器。 双折射光学器件适于接收来自扩散器的光并产生干涉条纹。 相机适于接收干涉条纹，并且处理器产生对象的光谱签名。 该光谱仪是适用于数码相机的改进的傅里叶变换光谱仪，例如在移动设备中找到的相机。

公开(公告)号：US09170156B2

公开(公告)日：2015-10-27

申请号：US14366637

申请日：2012-09-06

Applicant: Guoguang Li ,  Tao Liu ,  Jiangyan Zhao ,  Qingyang Guo ,  Edgar Genio ,  Tiezhong Ma ,  Yang Xia

Inventor： Guoguang Li ,  Tao Liu ,  Jiangyan Zhao ,  Qingyang Guo ,  Edgar Genio ,  Tiezhong Ma ,  Yang Xia

IPC: G01J4/00 ,  G01J3/447 ,  G02B27/14 ,  G02B27/40 ,  G01J3/42 ,  G01J3/02 ,  G01B11/02 ,  G01N21/21

CPC classification number: G01J3/447 ,  G01B11/02 ,  G01B2210/56 ,  G01J3/0208 ,  G01J3/0224 ,  G01J3/42 ,  G01N21/21 ,  G01N2021/213 ,  G02B27/14 ,  G02B27/40

Abstract: Disclosed is a normal-incidence broadband spectroscopic polarimeter containing reference beam, comprising a light source, a first reflecting unit, a first concentrating unit, a second concentrating unit, a polarizer, a first curved mirror, a first planar mirror, a second reflecting unit and a probing unit. Also disclosed is an optical measurement system, comprising the normal-incidence broadband spectroscopic polarimeter containing reference beam. The normal-incidence broadband spectroscopic polarimeter containing reference beam achieves an integral combination of the light beams after splitting, can maintain the polarization state of the light beams while increasing the light transmission efficiency, and has a low complexity.

Abstract translation: 公开了一种包含参考光束的正常入射宽带分光偏振计，包括光源，第一反射单元，第一浓缩单元，第二浓缩单元，偏振器，第一曲面镜，第一平面镜，第二反射单元 和探测单元。 还公开了一种光学测量系统，其包括含有参考光束的正常入射宽带光谱偏振计。 含有参考光束的正常入射宽带光谱旋光仪实现了分光后的光束的整体组合，可以在提高光传输效率的同时保持光束的偏振态，并且具有较低的复杂度。

公开(公告)号：US20150138534A1

公开(公告)日：2015-05-21

申请号：US14533498

申请日：2014-11-05

Applicant: ELTA SYSTEMS LTD.

Inventor： Gil TIDHAR

IPC: F41G3/14 ,  G01J3/447 ,  G01J3/443

CPC classification number: F41G3/147 ,  G01J3/0224 ,  G01J3/36 ,  G01J3/443 ,  G01J3/447 ,  G01S3/784 ,  H04N5/332

Abstract: A multiband imaging system comprising: an optical module configured for acquiring simultaneously images from a common field-of-view (FOV) scene in a short wavelength spectral band and in a long wavelength spectral band, the optical module comprising a polarizer configured for applying polarization filtering to electromagnetic radiation of the long wavelength spectral band; and a processing module configured to analyze data indicative of received irradiance distribution between the short and long wavelength spectral bands.

Abstract translation: 一种多频带成像系统，包括：光学模块，被配置为同时从短波长频谱带和长波长频谱带中的公共视场（FOV）场景中拍摄图像，所述光学模块包括被配置为施加偏振的偏振器 过滤长波长光谱带的电磁辐射; 以及处理模块，被配置为分析指示所述短波长和长波长光谱带之间的接收的辐照度分布的数据。

公开(公告)号：US20150097118A1

公开(公告)日：2015-04-09

申请号：US14382333

申请日：2013-03-01

Applicant: BEIHANG UNIVERSITY

Inventor： Zheng Zheng ,  Xin Zhao ,  Lei Liu ,  Jiansheng Liu

IPC: G01J3/10 ,  G01J3/447 ,  G01J3/42

CPC classification number: G01J11/00 ,  G01J1/10 ,  G01J3/0224 ,  G01J3/0245 ,  G01J3/10 ,  G01J3/108 ,  G01J3/42 ,  G01J3/433 ,  G01J3/447 ,  G02F1/353 ,  G02F1/365 ,  G02F1/37 ,  G02F2203/13 ,  H01S3/0092 ,  H01S3/06791 ,  H01S3/0809 ,  H01S3/1106 ,  H01S3/1112 ,  H01S3/2391

Abstract: A method and a system for measuring an optical asynchronous sample signal. The system for measuring an optical asynchronous sampling signal comprises a pulsed optical source capable of emitting two optical pulse sequences with different repetition frequencies, a signal optical path, a reference optical path, and a detection device. Since the optical asynchronous sampling signal can be measured by merely using one pulsed optical source, the complexity and cost of the system are reduced. A multi-frequency optical comb system using the pulsed optical source and a method for implementing the multi-frequency optical comb are further disclosed.

公开(公告)号：US08982344B2

公开(公告)日：2015-03-17

申请号：US14134899

申请日：2013-12-19

Applicant: University of Calcutta

Inventor： Anjan Kr. Dasgupta ,  Sarita Roy

IPC: G01J3/447 ,  G01J3/30 ,  G01J4/00 ,  G01N21/25 ,  G01N21/64 ,  G01N23/22

CPC classification number: G01N21/6402 ,  G01N21/6445 ,  G01N23/22

Abstract: Technologies are generally described for systems and methods for detecting chiral properties of materials and separating materials based on their chiral properties. A chiral vector is constructed from anisotropy properties of a polarization-dependent output signal from a sample. Different types of molecules from the sample can be differentiated based on a magnitude of the chiral vector. Chiral properties of the sample can be detected based on an angle of the chiral vector. The output signal can be a fluorescent emission from the sample and can be used to detect chiral properties of a substantially opaque sample.

Abstract translation: 通常描述用于基于其手性性质检测材料的手性性质和分离材料的系统和方法的技术。 手性载体由来自样品的偏振相关输出信号的各向异性特性构成。 可以基于手性载体的量级来区分来自样品的不同类型的分子。 可以基于手性载体的角度来检测样品的手性性质。 输出信号可以是来自样品的荧光发射，并且可以用于检测基本上不透明样品的手性。

公开(公告)号：US08749780B2

公开(公告)日：2014-06-10

申请号：US13851984

申请日：2013-03-28

Applicant: JASCO Corporation

Inventor： Tetsuji Sunami ,  Jun Koshoubu

IPC: G01J3/28 ,  G01J3/447 ,  G01J3/02

CPC classification number: G01J3/447 ,  G01J3/0208 ,  G01J3/0237 ,  G01N21/19

Abstract: A circular dichroism (CD) spectrometer includes an alignment mechanism that automatically adjusts the elements thereof at appropriate positions. The spectrometer has a focusing-lens position-and-orientation adjustment mechanism which adjusts the position and the orientation of the detector-side focusing lens. It also has a detector rotation mechanism which adjusts the orientation of the detector. Firstly, a control PC monitors the CD spectrum of D form of optical enantiomers, and the adjustment mechanism adjusts the focusing lens such that the monitored CD spectrum matches the reference spectrum related to the D form. Next, the control PC moniters CD spectrum of L form of optical enantiomers, and the adjustment mechanism adjusts the focusing lens such that the monitored CD spectrum of the D and L forms become symmetrical. And, the rotation mechanism adjusts the orientation of the detector such that the intensity of the detector signal is maximized.

Abstract translation: 圆形二色性（CD）光谱仪包括在适当位置自动调整元件的对准机构。 光谱仪具有调整检测器侧聚焦透镜的位置和取向的聚焦透镜位置和取向调节机构。 它还具有调节检测器方向的检测器旋转机构。 首先，控制PC监视D型光学对映体的CD光谱，并且调节机构调节聚焦透镜，使得所监视的CD光谱与D形式相关的参考光谱相匹配。 接下来，控制PC监视L型光学对映异构体的CD光谱，并且调节机构调节聚焦透镜，使得D和L形式的所监视的CD光谱变得对称。 并且，旋转机构调节检测器的方向，使得检测器信号的强度最大化。