公开(公告)号：WO2003006938A1

公开(公告)日：2003-01-23

申请号：PCT/US2001/021316

申请日：2001-07-07

Applicant: BIOTOOLS, INC ,  HUG, Werner

Inventor： HUG, Werner

IPC: G01J4/00

CPC classification number: G01N21/19 ,  G01J4/00 ,  G01N21/21 ,  G01N21/47 ,  G01N2021/4792 ,  G02B5/3083

Abstract: The invention describes a method to eliminate instrumental offset in measurement of optically active scattering and circular dichroism. The method uses the time-average measurement of the light that is systematically transformed by series of optical devices. The optical devises perform the function of rotating linearly polarized light, interconventing left and right circular polarized light, converting circular polarized light to rotating linear polarized light and converting linear polarized light to alternating left and right circular polarized light.

Abstract translation: 本发明描述了消除光学活性散射和圆二色性测量中的仪器偏移的方法。 该方法使用由一系列光学装置系统地变换的光的时间平均测量。 光学设计执行旋转线性偏振光的功能，相互影响左右圆偏振光，将圆偏振光转换成旋转线偏振光，并将线偏振光转换为交替的左右圆偏振光。

公开(公告)号：WO01094898A1

公开(公告)日：2001-12-13

申请号：PCT/FR2001/001781

申请日：2001-06-08

IPC: G01J4/04 ,  G01J4/00 ,  G01N21/21 ,  G01N21/27 ,  G01N21/33

CPC classification number: G01J4/00 ,  G01N21/211

Abstract: The invention concerns a spectroscopic ellipsometer comprising a light source (1) emitting an optical beam, a polarizer (2) arranged on the path of the optical beam emitted by the light source, a sample holder (9) receiving the optical beam from the polarizer output, a polarisation analyser (3) designed to be traversed by the beam reflected by the sample to be analysed, a detection set which receives the beam from the analyser output and which comprises a monochromator (5) and a photodetector (4), means (6) for processing the signal in said detection set output, which include an electronic counter (13). Cooling means (12) maintain the detection set at a temperature lower than room temperature, minimising the noise of the detector so as to be constantly in the condition of minimum photon noise. The optimal measuring condition of the ellipsometer is reached by minimising all the sources of noise (lamps, detection, ambient noise).

Abstract translation: 本发明涉及一种分光椭偏仪，其包括发射光束的光源（1），布置在由光源发射的光束的路径上的偏振器（2），接收来自偏振器的光束的样品保持器（9） 输出，被设计成由待分析样本反射的光束穿过的偏振分析器（3），接收来自分析仪输出的光束并包括单色仪（5）和光电检测器（4）的检测装置 （6），用于处理所述检测设置输出中包括电子计数器（13）的信号。 冷却装置（12）将检测装置保持在低于室温的温度下，使检测器的噪声最小化，以便始终处于最小光子噪声的状态。 通过最小化所有噪声源（灯，检测，环境噪声）来达到椭偏仪的最佳测量条件。

公开(公告)号：WO2001065236A1

公开(公告)日：2001-09-07

申请号：PCT/US2001/040240

申请日：2001-03-01

Applicant: VISIDYNE, INC.

Inventor： STAIR, Alva, Taylor ,  JOSS, Paul, Christopher

IPC: G01N21/21

CPC classification number: G01N21/21 ,  G01J4/00 ,  G01N21/3554 ,  G01N21/359 ,  G01N21/538

Abstract: A method for determining the composition of a target includes the steps of sensing radiation in the short wave infrared range scattered by the target area (50), measuring the polarization of the sensed radiation (52), and determining, from the polarization of the sensed radiation, the presence of at least one of water and ice particles in the target area (60).

Abstract translation: 用于确定目标的组成的方法包括以下步骤：感测由目标区域（50）散射的短波红外范围中的辐射，测量感测辐射（52）的极化，以及根据感测到的偏振 在目标区域（60）中存在水和冰颗粒中的至少一种的辐射。

公开(公告)号：WO1997002476A1

公开(公告)日：1997-01-23

申请号：PCT/JP1996001786

申请日：1996-06-27

Applicant: FURUKAWA DENKI KOGYO KABUSHIKI KAISHA ,  ASO, Osamu ,  OHSHIMA, Isamu ,  OGOSHI, Haruki

Inventor： FURUKAWA DENKI KOGYO KABUSHIKI KAISHA

IPC: G01J04/00

CPC classification number: G01J4/00 ,  G01J4/04 ,  G01M11/336 ,  G01M11/337 ,  G01N21/21

Abstract: A polarization state and polarization characteristics of a light transmitting medium are evaluated by Jones vectors containing Stokes vectors and Jones matrix. Rays of light of under three kinds of polarized states are applied from an incidence side apparatus (2) to a light transmitting medium (1), and a branched beam of light I on the outgoing side and branched beams of light Q, U and V passing through analyzers in directions of 0 DEG , 90 DEG and 45 DEG are detected as the Stokes vectors by light intensity. The Stokes vectors are normalized such as S1 = Q/I, S2 = U/I and S3 = V/I, and are re-normalized in a unit length such as S1/(S1 + S2 + S3 ) => S1. A polarization evaluation portion (15) actually measures the Jones vector containing the re-normalized Stokes vector as its component and evaluates the polarized state of the light transmitting medium (1). A polarization characteristics evaluation portion (13) actually measures a Jones matrix containing the re-normalized Stokes vector as the components thereof and evaluates the polarization characteristics of the light transmitting medium (1).

Abstract translation: 通过包含斯托克斯矢量和琼斯矩阵的琼斯矢量评估光透射介质的极化状态和偏振特性。 从入射侧装置（2）向光传输介质（1）施加三种偏振态的光线，并且在出射侧具有分支光束I和分支光束Q，U和V 以0度，90度，45度方向通过分析仪，通过光强检测为斯托克斯矢量。 斯托克斯矢量被归一化，例如S1 = Q / I，S2 = U / I和S3 = V / I，并且以单位长度重新归一化，例如S1 /（S1-2 + S22 + S3 <2>）=> S1。 极化评估部分（15）实际上测量包含重新归一化的斯托克斯矢量的琼斯矢量作为其分量并评估光传输介质（1）的偏振状态。 偏振特性评价部（13）实际上测量包含重归一化斯托克斯矢量的琼斯矩阵作为其分量，并评估光传输介质（1）的极化特性。

公开(公告)号：WO1994010795A1

公开(公告)日：1994-05-11

申请号：PCT/US1993010274

申请日：1993-10-26

Applicant: WOLFF, Lawrence, B.

IPC: H04N05/225

CPC classification number: H04N5/2254 ,  G01J4/00

Abstract: A polarization viewer comprising a mechanism (12, 18, 20) for forming a broadview image having a spectral width greater than 2 angstroms and 50 DEG based on polarization information of a scene. The polarization viewer is also comprised of a mechanism (12, 18, 20) for providing polarization information to the forming mechanism. The providing mechanism is in communication with the forming mechanism. In a first embodiment, the providing mechanism includes a camera mechanism in communication with the forming mechanism. The camera mechanism includes a fixed polarizer analyzer (12) disposed such that electromagnetic radiation entering the camera mechanism passes through the polarizer analyzer (12). The providing mechanism can also include a mechanism for steering a polarization plane of the radiation. The steering mechanism is disposed such that radiation passing through the polarizer analyser first passes through the steering mechanism. The steering mechanism preferably includes a first twist crystal (18) and at least a second twist crystal (20) aligned with the first twist crystal such that radiation passing through the first crystal has a first state and a second state.

Abstract translation: 一种偏振观察器，包括用于基于场景的偏振信息形成具有大于2埃的光谱宽度和50°的宽视角图像的机构（12,18,20）。 偏振观察器还包括用于向成形机构提供偏振信息的机构（12,18,20）。 提供机构与成形机构连通。 在第一实施例中，提供机构包括与成形机构连通的相机机构。 相机机构包括固定的偏振器分析器（12），其被布置成使得进入相机机构的电磁辐射通过偏振器分析器（12）。 提供机构还可以包括用于转向辐射的偏振面的机构。 转向机构被布置成使得穿过偏振器分析器的辐射器首先通过转向机构。 转向机构优选地包括与第一扭转晶体对准的第一扭曲晶体（18）和至少第二扭转晶体（20），使得穿过第一晶体的辐射具有第一状态和第二状态。

公开(公告)号：WO1989001612A1

公开(公告)日：1989-02-23

申请号：PCT/GB1988000628

申请日：1988-07-29

Applicant: RENISHAW PLC ,  CHANEY, Raymond, John

Inventor： RENISHAW PLC

IPC: G01J09/02

CPC classification number: G01J1/4204 ,  G01J1/4228 ,  G01J3/0262 ,  G01J4/00 ,  G01J9/02

Abstract: In a optical detection system a plurality of photo-diode detectors are placed in an enclosure. The enclosure has an aperture through which is directed a light beam to be analysed. To eliminate the effect which ambient light entering the aperture would have one the detector signals, each of the detectors are arranged to be at equal distances from the aperture so that they all have the same acceptance cone angle for the light entering the aperture. Thus the ratio of signal to ambient light in the portion of the light beam reaching each detector is the same and the d.c. component of the signal produced by the detector can be easily removed in the signal conditioning electronics. The equal spacing of the detectors from the aperture is achieved in accordance with the invention by using beam splitters in the path of the beam to deflect portions of the beam to detectors which are offset from the beam axis.

Abstract translation: 在光学检测系统中，多个光电二极管检测器被放置在外壳中。 外壳具有孔，通过该孔指向待分析的光束。 为了消除进入孔径的环境光将具有一个检测器信号的效果，每个检测器布置成距离孔的距离相等，使得它们对于进入孔的光具有相同的接受锥角。 因此，到达每个检测器的光束的部分中的信号与环境光的比率是相同的，并且d.c. 可以在信号调理电子设备中容易地去除由检测器产生的信号的分量。 根据本发明，通过在光束的路径中使用分束器将光束的部分偏转到与光束轴线偏移的检测器，从而实现了与孔径相等的检测器的间隔。

公开(公告)号：WO2014189967A8

公开(公告)日：2016-02-04

申请号：PCT/US2014038837

申请日：2014-05-20

Applicant: HINDS INSTRUMENTS INC

Inventor： FREUDENTHAL JOHN ,  LEADBETTER ANDY ,  WANG BAOLIANG

IPC: G01N21/21 ,  G01J4/04 ,  G01N21/23

CPC classification number: G01N21/23 ,  G01J4/00 ,  G01N21/21 ,  G01N2201/0621 ,  G01N2201/0683

Abstract: This disclosure is generally directed to systems for imaging polarization properties of optical-material samples. As one aspect, there is provided a system for precise, simultaneous imaging of both the in-plane and out-of-plane birefringence properties of sample material over a wide range of incidence angles. The spatially resolved imaging approach described here is amenable to determination of a wide range of polarimetric properties, in addition to the inplane and out-of-plane birefringence measure discussed as a preferred embodiment.

Abstract translation: 本公开一般涉及用于对光学材料样品的偏振特性进行成像的系统。 作为一个方面，提供了一种用于在宽的入射角范围内精确地同时成像样品材料的平面内和平面外双折射性质的系统。 除了作为优选实施例讨论的面内和平面外的双折射度量之外，这里描述的空间分辨成像方法适于确定宽范围的偏振特性。

公开(公告)号：WO2014111487A1

公开(公告)日：2014-07-24

申请号：PCT/EP2014/050842

申请日：2014-01-16

Applicant: UNIVERSITEIT LEIDEN

Inventor： KELLER, Christoph Ulrich ,  SNIK, Frans

IPC: G01J1/04 ,  G01J3/14 ,  G01J4/00 ,  G01J3/02

CPC classification number: G01J3/0224 ,  G01J1/0425 ,  G01J1/4228 ,  G01J3/0218 ,  G01J3/14 ,  G01J4/00 ,  G01J4/04 ,  G02F1/0136

Abstract: A polarimetry apparatus comprising a plurality of flexible light conduits each having first and second ends, and a respective polarization modulator associated with each light conduit, wherein each light conduit is configured to receive incident light from a different predetermined region in space via the first end, and deliver said light to a detector unit via the second end, and wherein the polarization modulator is configured to modulate the polarization of the light to enable a partial or complete polarization state of the incident light to be determined by the detector unit for each light conduit.

Abstract translation: 一种包括多个具有第一和第二端的柔性光导管以及与每个光导管相关联的相应的偏振调制器的偏振仪，其中每个光导管经配置以经由第一端接收来自不同预定区域的入射光， 并且经由所述第二端将所述光传送到检测器单元，并且其中所述偏振调制器被配置为调制所述光的偏振，以使所述入射光的部分或完全偏振状态由所述检测器单元确定用于每个光导管 。

公开(公告)号：WO2012162217A3

公开(公告)日：2013-03-28

申请号：PCT/US2012038771

申请日：2012-05-21

Applicant: LUNA INNOVATIONS INC ,  SANBORN ERIC E ,  FROGGATT MARK E

Inventor： SANBORN ERIC E ,  FROGGATT MARK E

IPC: G02B6/126

CPC classification number: G02B27/283 ,  G01J4/00 ,  G02B6/2706

Abstract: An apparatus for separating polarization of light includes a rotatable beam splitter including an input for receiving light with a first polarization and an output for outputting light with a second polarization different from the first polarization. Rotation of the rotatable beam splitter changes the first polarization of the input light to the second polarization of the output light. An optical network and method are also set forth.

Abstract translation: 用于分离光的偏振的装置包括可旋转分束器，其包括用于接收具有第一偏振的光的输入和用于输出具有不同于第一偏振的第二偏振的光的输出。 可旋转分束器的旋转将输入光的第一偏振改变为输出光的第二偏振。 还提出了光网络和方法。

公开(公告)号：WO2009076395A1

公开(公告)日：2009-06-18

申请号：PCT/US2008/086149

申请日：2008-12-10

Applicant: RESEARCH FOUNDATION OF THE CITY UNIVERSITY OF NEW YORK ,  CROUSE, David, Thomas ,  REDDY, Pavan Kumar, Keshavareddy

Inventor： CROUSE, David, Thomas ,  REDDY, Pavan Kumar, Keshavareddy

IPC: G02B5/30

CPC classification number: G02B5/3058 ,  B82Y20/00 ,  G01J4/00 ,  G01J2004/001 ,  G02B5/008 ,  G02B5/1809 ,  H01L31/054

Abstract: A device for enhancing transmission of incident electromagnetic radiation at a predetermined wavelength is presented that includes an aperture array structure in a thin film. The structure includes a repealing unit cell having more than one aperture including a first aperture and a second aperture, wherein a parameter of the first aperture differs from that of the second aperture. The unit cell repeats with a periodicity on the order of or less than said predetermined wavelength, The structure parameters are configured to preferentially support cavity modes for coupling to and enhancing transmission of a predetermined polarization state at the predetermined wavelength. By structuring the unit cell with apertures that differ by appropriate degrees in at least one of dimension, height, dielectric constant of material filling the apertures, shape, and orientation, the devices can be adapted for polarization and/or wavelength filtering- and/or light circulating, weaving, or channeling.

Abstract translation: 提出了一种用于增强预定波长的入射电磁辐射的传输的装置，其包括薄膜中的孔阵列结构。 该结构包括具有多于一个孔径的包括第一孔和第二孔的废弃单元，其中第一孔的参数不同于第二孔的参数。 单位单元重复具有小于或等于所述预定波长的周期。结构参数被配置为优先地支持用于耦合到预定波长的预定极化状态和增强传输预定偏振态的腔模。 通过在具有尺寸，高度，填充孔，材料和取向的材料的尺寸，高度，介电常数中的至少一个中适当的角度构造孔的结构，该装置可适用于偏振和/或波长滤波和/或 光循环，编织或沟渠。