公开(公告)号：EP1639331A2

公开(公告)日：2006-03-29

申请号：EP04754292.3

申请日：2004-06-04

Applicant: Tomophase Corporation

Inventor： WANG, Feiling

IPC: G01J4/00

CPC classification number: G01J3/453 ,  A61B5/0059 ,  A61B5/0073 ,  A61B5/14558 ,  A61B5/441 ,  G01J3/02 ,  G01J3/0218 ,  G01J3/0224 ,  G01J3/447 ,  G01N21/474 ,  G01N2021/4742

Abstract: This application describes designs, implementations, and techniques for controlling propagation mode or modes of light in a common optical path, which may include one or more waveguides (272), to sense a sample (205).

公开(公告)号：EP1636556A2

公开(公告)日：2006-03-22

申请号：EP04809374.4

申请日：2004-05-13

Applicant: The University of Akron

Inventor： GIAKOS, George, C.

IPC: G01J4/00

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：EP1428052A4

公开(公告)日：2004-12-08

申请号：EP02766333

申请日：2002-09-19

Applicant: CAPELLA PHOTONICS INC

Inventor： WILDE JEFFREY P ,  POLYNKIN PAVEL ,  TIMMONS MICHAEL J ,  GARRETT MARK H

IPC: G01J3/02 ,  G01J3/14 ,  G01J3/18 ,  G01J3/28 ,  G01J3/36 ,  G01J3/433 ,  G01J3/447 ,  G02B5/18 ,  G02B5/30 ,  G02F1/13 ,  G02B6/28 ,  G02B6/26 ,  G02B6/34 ,  H04J14/02

CPC classification number: G01J3/447 ,  G01J3/0224 ,  G01J3/2803 ,  G01J2003/2866

Abstract: This invention provides a novel method and apparatus which use a wavelength-dispersing means such as a diffraction grating to spatially separate a multi-wavelength optical signal along with a reference signal by wavelength into multiple spectral channels and a reference spectral component in a spectral array with a predetermined relative alignment. By aligning the reference spectral component at a predetermined location, the spectral channels simultaneously impinge onto designated locations, e.g., on an array of beam-receiving elements positioned in accordance with the spectral array. The reference spectral component may be further maintained at the predetermined location by way of servo-control, thereby ensuring that the spectral channels stay aligned at the designated locations. The present invention can be used to construct a new line of servo-based optical systems, including spectral power monitors and optical multiplexers/demultiplexers, for WDM optical networking applications.

公开(公告)号：EP1428052A2

公开(公告)日：2004-06-16

申请号：EP02766333.5

申请日：2002-09-19

Applicant: Capella Photonics Inc.

Inventor： WILDE, Jeffrey, P. ,  POLYNKIN, Pavel ,  TIMMONS, Michael, J. ,  GARRETT, Mark, H.

IPC: G02B6/28 ,  G02B6/34 ,  G02B6/26 ,  H04J14/02

CPC classification number: G01J3/447 ,  G01J3/0224 ,  G01J3/2803 ,  G01J2003/2866

Abstract: This invention provides a novel method and apparatus which use a wavelength-dispersing means such as a diffraction grating (220) to spatially separate a multi-wavelength optical signal along with a reference signal by wavelength into multiple spectral channels and a reference spectral component in a spectral array with a predetermined relative alignment. By aligning the reference spectral component at a predetermined location, the spectral channels simultaneously impinge onto designated locations, e.g., on an array of beam-receiving elements positioned in accordance with the spectral array. The reference spectral component may be further maintained at the predetermined location by way of servo-control (260), thereby ensuring that the spectral channels stay aligned at the designated locations. The present invention can be used to construct a new line of servo-based optical systems, including spectral power monitors and optical multiplexers/demultiplexers, for WDM optical networking applications.

Abstract translation: 本发明提供了一种新颖的方法和设备，它使用诸如衍射光栅（220）之类的波长色散装置，将多波长光信号连同参考信号一起按波长在空间上分成多个光谱通道和一个参考光谱分量 光谱阵列具有预定的相对对齐。 通过在预定位置对齐参考光谱分量，光谱通道同时入射到指定位置，例如在根据光谱阵列定位的光束接收元件阵列上。 参考频谱分量可以通过伺服控制（260）进一步保持在预定位置，从而确保频谱通道在指定位置保持对准。 本发明可用于构建用于WDM光网络应用的新系列基于伺服的光学系统，包括光谱功率监视器和光复用器/解复用器。

公开(公告)号：EP1026495A3

公开(公告)日：2003-12-17

申请号：EP99306533.3

申请日：1999-08-19

Applicant: J.A. WOOLLAM CO. INC.

Inventor： Hertzinger, Craig M. ,  Johs, Blaine D.

IPC: G01N21/21 ,  G02B26/08 ,  G02B27/28 ,  G01J4/00 ,  G02B5/30

CPC classification number: G01J3/447 ,  G01J4/00 ,  G01J2003/2866 ,  G01N21/211

Abstract: A compensator or retarder system (3) allows adjustment to eliminate introduction of significant deviation and/or displacement into the propagation direction of a beam of electromagnetic radiation (LB) (LB') caused to interact therewith, even when the compensator or retarder system is caused to continuously rotate in a rotating compensator (C1) (C2) (C3) ellipsometer system (1). The system (3) consists of two pivotable reflectors (OS1,OS2) and a totally internally reflecting prism (P2).

公开(公告)号：EP1288641A1

公开(公告)日：2003-03-05

申请号：EP02015154.4

申请日：2002-07-06

Applicant: Agilent Technologies Inc. a Delaware Corporation

Inventor： Rosenfeldt, Harald

IPC: G01J3/453 ,  G01J3/447 ,  G02B6/27 ,  G02B27/28

CPC classification number: G01J9/0246 ,  G01J3/447 ,  G01J3/453 ,  G01J9/02 ,  G01J2009/0261 ,  G01M11/331 ,  G02B6/105 ,  G02B27/283

Abstract: A method and an apparatus for delaying parts of a coherent optical signal beam relative to each other, comprising: a first device (104) for splitting the beam into a first part and a second part, a second device (108) for delaying the second part relative to the first part, a third device (106) for recombining the first and the second part, a fourth device (104,106) for providing the recombined parts with different polarizations.

Abstract translation: 一种用于相对于彼此延迟相干光信号光束的部分的方法和装置，包括：用于将光束分成第一部分和第二部分的第一装置（104），用于将第二部分延迟第二部分 用于重新组合第一和第二部分的第三装置（106），用于提供具有不同偏振的重组部分的第四装置（104,106）。

公开(公告)号：EP1200796A1

公开(公告)日：2002-05-02

申请号：EP00950278.2

申请日：2000-06-30

Applicant: Cambridge Research & Instrumentation, Inc.

Inventor： MILLER, Peter, J.

IPC: G01B9/02

CPC classification number: G01J3/447 ,  G01J3/2823 ,  G01J3/453 ,  G01J9/02

Abstract: A birefringent interferometer system is described which uses nematic liquid crystal cells (30, 32) to produce variable optical path differences (OPD) between light of different polarization states that are interfered at a polarizing analyzer (13). Fixed retarders (31) may also be incorporated to extend the range of OPD. The interferometer provides wide field-of-view, continuously variable path difference over a large range, and an on-board monitor of OPD for ensuring accurate settings of path difference, and hence, an accurate wavelength scale in the spectra produced by the apparatus. The system can further incorporate additional polarizing optics (4, 9) so it responds equally well to light of any incident polarization state without loss of efficiency.

公开(公告)号：EP1184708A2

公开(公告)日：2002-03-06

申请号：EP01120703.2

申请日：2001-09-04

Applicant: Nippon Sheet Glass Co., Ltd.

Inventor： Kittaka, Shigeo ,  Nara, Masatoshi ,  Nakazawa, Tatsuhiro ,  Koyama, Tadashi ,  Asai, Takahiro

IPC: G02B27/28 ,  G02B27/10 ,  G02B5/28 ,  H04J14/02

CPC classification number: G01J3/12 ,  B82Y20/00 ,  G01J3/0256 ,  G01J3/447 ,  G02B5/285 ,  G02B6/10 ,  G02B6/1225 ,  G02B6/34 ,  G02B27/283

Abstract: An optical device in which an end surface of a periodic multilayer structure is provided as a beam incidence surface or as a beam exit surface. The optical device can realize a high-resolving-power spectroscopic apparatus without having any increase in size of the apparatus and by use of good directivity of beam leaked from the multilayer structure and strong wavelength dependence of an angle of the leaked beam.

Abstract translation: 一种光学装置，其中周期性多层结构的端面设置为光束入射表面或光束出射表面。 光学装置可以实现高分辨率分光装置，而不会增加装置的尺寸，并且通过使用从多层结构泄漏的光的良好方向性以及泄漏光束的角度的强烈的波长依赖性。

公开(公告)号：EP1038165A1

公开(公告)日：2000-09-27

申请号：EP98907397.8

申请日：1998-02-02

Applicant: J.A. WOOLLAM CO. INC.

Inventor： Johs, Blaine D. ,  Thompson, Daniel W.

IPC: G01N21/21

CPC classification number: G01N21/211 ,  G01J3/447 ,  G01J4/00 ,  G01J2003/2866

Abstract: A spectroscopic rotating compensator material system investigation system including a photo array (DE's) for simultaneously detecting a multiplicity of wavelengths is disclosed. The spectroscopic rotating compensator material system investigation system is calibrated by a mathematical regression based technique involving, where desirable, parameterization of calibration parameters. Calibration is possible of calibration parameters. Calibration is possible utilizing a single two-dimensional data set obtained with the spectroscopic rotating compensator material system investigation system in a 'material system present' or in a 'straight-through' configuration.

Abstract translation: 公开了一种包括用于同时检测多个波长的光阵列（DE）的光谱旋转补偿器材料系统调查系统。 光谱旋转补偿器材料系统调查系统通过基于数学回归的技术进行校准，该技术涉及在需要时对校准参数进行参数化。 校准是可能的校准参数。 使用通过光谱旋转补偿器材料系统调查系统在“材料系统存在”或“直通”配置中获得的单个二维数据集进行校准是可能的。

公开(公告)号：EP0605391A2

公开(公告)日：1994-07-06

申请号：EP94101353.4

申请日：1990-01-15

Applicant: BÜHLER AG ,  Bran + Lübbe GmbH

Inventor： Wagner, Heinz ,  Labhart, Martin ,  Glaus, Ulrich

IPC: G01J3/453 ,  G01J3/447

CPC classification number: G01J3/447 ,  G01B2290/70 ,  G01J3/4537 ,  G01J2009/0261

Abstract: Das Polarisationsinterferometer weist eine Lichtquelle (1), einen Kollimator (2), ein erstes polarisierendes Element (3), ein System von doppelbrechenden Elementen (4,5,6) und ein zweites polarisierendes Element (7) auf, welches das aus dem doppelbrechenden Element (4,5,6) austretende Licht polarisiert und einem Photonendetektor (8) zuführt.
Das doppelbrechende Element (4,5,6) besteht dabei aus zwei, längs entgegengesetzter Seitenflächen gegeneinander verschiebbar angeordneten, sich zu einem Quader ergänzenden, optischen Keile (5,6) und einer als Kompensator dienenden doppelbrechenden planparallelen Platte (4).
Die optische Achse des Kompensators (4) ist gegenüber derjenigen der beiden Keile (5,6) in der Ebene senkrecht zum Lichtstrahl um einen endlichen Winkel verdreht, wobei die optischen Achsen der beiden Keile (5,6) übereinstimmen.
Die optischen Achsen der beiden Polarisatoren (3,7) stehen senkrecht oder parallel zueinander und sind nicht parallel zu den Achsen der beiden Keile (5,6) des doppelbrechenden Elementes (4,5,6) ausgerichtet.
Ein monochromatischer Lichtstrahl (9) wird in den von der Lichtquelle (1) erzeugten parallen Lichtstrahl eingekoppelt und nach Durchquerung mindestens des doppelbrechenden Elementes (4,5,6) wieder ausgekoppelt und auf einen Photonendetektor (13) geführt.

Abstract translation: 偏振干涉仪具有光源（1），准直器（2），第一偏振元件（3），双折射（双折射）元件（4,5,6）和第二偏振元件（7）的系统， ，其将从双折射元件（4,5,6）出射的光偏振，并将其提供给光子检测器（8）。 双折射元件（4,5,6）由两个光楔（5,6）组成，它们的纵向相对的侧表面相对于彼此可移位并组成平行六面体，并且具有双折射平面平行板 （4）作为补偿者。 补偿器（4）的光轴相对于垂直于光束的平面中的两个楔形物（5,6）的轴线有限角度扭转，两个楔形物（5,6）的光轴 恰逢。 两个偏振器（3,7）的光轴彼此垂直或平行，并且不平行于双折射元件（4,5,6）的两个楔形物（5,6）的轴线对准。 单色光束（9）耦合到由光源（1）产生的平行光束中，并且在至少穿过双折射元件（4,5,6）之后，再次耦合并被引导到光子检测器 （13）。