公开(公告)号：EP2275790B1

公开(公告)日：2012-05-09

申请号：EP10187587.0

申请日：2009-03-02

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

Inventor： Junger, Stephan ,  Weber, Norbert ,  Tschekanlinkskij, Wladimir

IPC: G01J4/04 ,  G02B5/30

CPC classification number: G01J4/04 ,  B82Y20/00 ,  G02B1/005 ,  G02B5/3058 ,  H01L27/14621 ,  H01L31/02327

公开(公告)号：EP2427793A1

公开(公告)日：2012-03-14

申请号：EP10721039.5

申请日：2010-05-07

Applicant: King's College London

Inventor： HEINTZMANN, Rainer ,  WICKER, Kai

IPC: G02B21/36 ,  G01J4/04 ,  G01N21/21

CPC classification number: G02B21/367 ,  G01J3/02 ,  G01J3/4406 ,  G01J3/447 ,  G01J4/04 ,  G01N21/6445 ,  G01N21/6458

Abstract: A method of obtaining, in a single exposure, imaging information from an object (16) representative of more than two distinct illumination images, the method comprising the steps of generating first electromagnetic waves (14) at least some of which having spatially modulated polarisation; illuminating the object with the first electromagnetic waves; and capturing second electromagnetic waves (18) emanating from the object.

公开(公告)号：EP2416136A2

公开(公告)日：2012-02-08

申请号：EP11163920.9

申请日：2011-04-27

Applicant: Raytheon Company

Inventor： Silny, John F. ,  Moskun, Eric M.

IPC: G01J3/02 ,  G01J3/28 ,  G01J4/04

CPC classification number: G01J3/2823 ,  G01J3/02 ,  G01J3/0224 ,  G01J3/2803 ,  G01J4/04

Abstract: Embodiments of a system and method for collecting hyperspectral and polarimetric data that are spatially and temporally coincident include a dispersive element configured to receive incident electromagnetic radiation. The dispersive element is configured to disperse a non-zero order of the electromagnetic radiation into its constituent spectra, which is directed to a first focal plane array, and may be read out as hyperspectral data. The dispersive element is also configured to reflect a zero order of the electromagnetic radiation, which is directed through a polarity discriminating element to a second focal plane array, which may be read out as polarimetric data. By synchronously reading out the first and second focal plane arrays, the hyperspectral and polarimetric data may be both spatially and temporally coincident.

Abstract translation: 用于收集在空间和时间上重合的高光谱和极化数据的系统和方法的实施例包括配置成接收入射电磁辐射的分散元件。 分散元件被配置为将电磁辐射的非零级分散到其组成光谱中，其指向第一焦平面阵列，并且可以作为高光谱数据读出。 分散元件还被配置为将电磁辐射的零级反射，其通过极性鉴别元件被引导到第二焦平面阵列，其可被读出为极化数据。 通过同步读出第一和第二焦平面阵列，高光谱和极化数据可以在空间上和时间上一致。

公开(公告)号：EP1636556A4

公开(公告)日：2007-09-12

申请号：EP04809374

申请日：2004-05-13

Applicant: UNIV AKRON

Inventor： GIAKOS GEORGE C

IPC: G01J4/04 ,  G01J20060101 ,  G01J3/02 ,  G01J3/28 ,  G01J3/36 ,  G01J4/00 ,  G01N21/21

CPC classification number: G01J4/04 ,  G01J3/02 ,  G01J3/021 ,  G01J3/0224 ,  G01J3/2823 ,  G01J3/36 ,  G01J3/433 ,  G01J3/447 ,  G01N21/21

Abstract: A multi-energy polarization imaging method consisting of a multi-fusion, dual-rotating retarder / multiple-energy complete Mueller matrix-based polarimeter and dual-energy capabilities The system includes a light source (14) for illuminating a target (18) with a first quantity of light having a first wavelength and a second quantity of light having a second wavelength, the first and second wavelength being different. A polarization-state generator (22) generates a polarization state for each of the first and second quantities of light, and includes a first polarizer (26) through which the first and second quantities of light are transmitted before entering a first waveplate (32). A polarization-state receiver (44) evaluates a resulting polarization state of the first and second quantities of light following illumination of the target (18), the polarization-state receiver (44) including a second waveplate (48) through which the first and second quantities of light are transmitted before entering a second polarizer (51). An optical image-capture device captures a first image of the target illuminated by the first quantity of light and a second image of the target illuminated by the second quantity of light. A processing unit assigns a weighting factor to at least one of the first and second images and evaluates a weighted difference between the first and second images to generate a multi-energy image of the target (18).

公开(公告)号：EP1250575A4

公开(公告)日：2007-09-05

申请号：EP01900908

申请日：2001-01-05

Applicant: HINDS INSTRUMENTS INC

Inventor： WANG BAOLIANG

IPC: G01J4/04 ,  G01M11/02 ,  G01N21/23 ,  G01N21/27 ,  G01J4/00 ,  G01J1/10

CPC classification number: G01N21/23 ,  G01N21/274

Abstract: A dynamic self calibration process (130) periodically calibrates a system for precisely measuring low-level birefringence properties (retardance and fast axis orientation) of optical materials. Variations in birefringence measurements can be caused by, for example, changes in the environmental conditions (e.g., ambient pressure or temperature) under which birefringence properties of a sample are measured (140). In one implementation, the dynamic self calibration process (130) repeatedly calibrates the system at different selected frequencies (142, 144) to compensate for different selected baseline variations.

公开(公告)号：EP1707929A1

公开(公告)日：2006-10-04

申请号：EP06005739.5

申请日：2006-03-21

Applicant: OMRON CORPORATION ,  National University Corporation Hokkaido University

Inventor： Okabe, Hiroshi c/o Omron Corporation ,  Matoba, Kenichi c/o Omron Corporation ,  Oka, Kazuhiko c/o Div. of Applied Physics

IPC: G01J4/04

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 on 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 (R1, R2, 117, 118, 207, 208) was arranged on the light source (7, 202) side with respect to the sample (D, 50,400) 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 (D, 50, 400).

Abstract translation: 在通道光谱偏振法中，有效地消除了示出样品的分光偏振特性的参数的测量误差，该误差是由取决于样品的状态的延迟器的延迟的各种变化而产生的。 注意力集中在通过使通过延迟器透射的光的入射方向的稳定化可以使延迟器的延迟保持恒定，将延迟器（R1，R2,117,187,208,208）设置在光源 （D，50,400）的相对于样品（D，50,400）的光线方向的变化的测量误差的影响（D，50,400）。

公开(公告)号：EP1628121A1

公开(公告)日：2006-02-22

申请号：EP04103970.2

申请日：2004-08-18

Applicant: Agilent Technologies Inc

Inventor： Maestle, Ruediger ,  Wunderling, Martin ,  Jensen, Thomas

IPC: G01M11/00 ,  G01J4/00 ,  G01J4/04

CPC classification number: G01M11/337 ,  G01M11/336

Abstract: The invention relates to determining a polarization dependent property (JDUT) of an optical device under test (2), wherein a response signal (R) is received from the device under test (2) in response to an optical stimulus signal (S) having an reference state of polarization (EREF), an output state of polarization (EOUT) of the response signal (R) is determined, a reference information (REF) about the reference state of polarization (EREF) is received, and the polarization dependent property (JDUT) is determined on the base of the reference state of polarization (EREF) and the output state of polarization (EOUT).

Abstract translation: 本发明涉及确定被测光学器件（2）的偏振相关属性（JDUT），其中响应于具有下述特性的光学刺激信号（S），从被测器件（2）接收响应信号（R） 确定参考偏振状态（EREF），响应信号（R）的输出极化状态（EOUT），接收关于参考偏振状态（EREF）的参考信息（REF），并且偏振相关特性 （JDUT）是基于参考偏振态（EREF）和输出极化状态（EOUT）来确定的。

公开(公告)号：EP1596172A2

公开(公告)日：2005-11-16

申请号：EP04022711.8

申请日：2004-09-23

Applicant: FUJITSU LIMITED

Inventor： Kubo, Teruhiro

IPC: G01J4/04

CPC classification number: G01J4/04

Abstract: A polarization state measuring apparatus of the present invention branches an input signal light into a plurality of signal lights by optical couplers, gives polarization and phase shift which are different from each other, to the signal lights by a plurality of optical elements arranged on optical branch paths, detects the power of each of the signal lights by the corresponding light receiving elements, and after adjusting at least differences in the optical branch paths, processes electrical signals output from the light receiving elements by operating means, to acquire information related to a polarization state of the input signal light. As a result, it is possible to provide a small size polarization state measuring apparatus which can correct differences in arrival times of the signal lights to the light receiving elements, which occur due to differences in the optical path lengths of the plurality of optical branch paths, to thereby measure the polarization state of the input signal light with high accuracy.

Abstract translation: 本发明的偏振状态测量装置通过光耦合器将输入信号光分支成多个信号光，通过布置在光分支上的多个光学元件将信号光分别彼此不同的极化和相移 通过相应的光接收元件检测每个信号光的功率，并且在调整至少光分支路径的差异之后，通过操作装置处理从光接收元件输出的电信号，以获取与偏振相关的信息 输入信号灯的状态。 结果，可以提供一种小尺寸偏振状态测量装置，其可以校正由于多个光分支路径的光路长度的差异而导致的信号光到达光接收元件的到达时间的差异 ，从而以高精度测量输入信号光的偏振状态。

公开(公告)号：EP1585953A1

公开(公告)日：2005-10-19

申请号：EP03795021.9

申请日：2003-07-25

Applicant: Agilent Technologies, Inc.

Inventor： RUECK, Clemens,Agilent Techn. Deutschland GmbH ,  HAISCH, Hansjoerg,Agilent Techn. Deutschland GmbH

IPC: G01M11/00 ,  H04B10/18 ,  G01J4/04

CPC classification number: G01M11/337

Abstract: A method of determining polarization dependent characteristic of an optical device under test (10) having at least one input and at least one output, comprises the steps of generating and inputting a stimulus signal (4) to each of a plurality of polarization units (27a, 29b, 127c, 129d), setting each of said input stimulus signals into a unique state of polarization, attaching a characteristic identification portion (27, 29, 127, 129) to each of said input and/or polarized stimulus signals, applying said stimulus signal to said device under test (10) for effecting a response signal of said device under test, receiving and identifying (44, 52) each of said characteristic identification portions from said response signal for tracing each of said polarized stimulus signals within said response signal, deriving a polarization dependent characteristic of said device under test from said traced polarized stimulus signals. The method provides a measurement of polarization dependent loss PDL within one shot of a stimulus signal. For such simultaneous measurements couplers (105, 135) are used. Also for polarization mode dispersion PMD.

公开(公告)号：EP1353158B1

公开(公告)日：2005-10-19

申请号：EP03002980.5

申请日：2003-02-11

Applicant: Thorlabs, Inc.

Inventor： Bandemer,Adalbert,Dr. ,  Krause,Egbert

IPC: G01J4/04

CPC classification number: G01M11/337 ,  G01J4/04 ,  G01M11/336