公开(公告)号：EP2099363A2

公开(公告)日：2009-09-16

申请号：EP08705743.6

申请日：2008-01-07

Applicant: Myskin, Inc.

Inventor： BANDIC, Jadran ,  KORUGA, Djuro ,  MEHENDALE, Rahul ,  MARINKOVICH, Sava

IPC: A61B6/00 ,  G01J4/00

CPC classification number: A61B5/441 ,  A61B5/0082 ,  A61B5/0088 ,  A61B5/0091 ,  A61B5/411 ,  A61B5/442 ,  A61B5/443 ,  A61B5/444 ,  A61B5/445 ,  G06F19/00 ,  G06F19/321 ,  G06F19/3418 ,  G06Q30/0631 ,  G16H10/20 ,  G16H15/00 ,  G16H50/20

Abstract: In embodiments of the present invention, systems and methods of a non-invasive imaging device may comprise an illumination source comprising an incident light source to direct light upon skin, and a detector for detecting the degree of polarization of light reflected from the skin. A system and method of determining a skin state may be based on an aspect of the polarization of the reflected light.

公开(公告)号：EP1612586B1

公开(公告)日：2009-03-25

申请号：EP05014025.0

申请日：2005-06-29

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Nomura, Hiroshi c/o Intell. Property Division ,  Asakawa, Koji c/o Intell. Property Division ,  Motoi, Yuichi c/o Intell. Property Division

IPC: G02B5/30 ,  G03F7/20 ,  B82B3/00 ,  G01J4/00

CPC classification number: B82Y20/00 ,  G02B5/3058 ,  G02B5/3075 ,  G03F7/70133 ,  G03F7/70191 ,  G03F7/70566 ,  G03F7/70591

公开(公告)号：EP2024718A2

公开(公告)日：2009-02-18

申请号：EP07719826.5

申请日：2007-05-23

Applicant: ITF Laboratories Inc.

Inventor： ZHOU, Changzun ,  ZHAO, Yunfei

IPC: G01J4/00 ,  C03B37/075 ,  G01M11/02 ,  G02B6/24

CPC classification number: G02B6/02109 ,  G01D5/35303 ,  G01M11/3181

Abstract: This invention provides a method for measuring and monitoring the state of polarization (SOP) of a polarization maintaining (PM) fiber and the like using a narrowband fiber Bragg grating (FBG) written on the same. The PM fiber therefore comprises a first narrowband reference FBG which is used as a reference to measure and monitor the SOP of the PM fiber. Due to the birefringence properties of the PM fiber, the reference FBG will generally reflect two narrowband spectra, each having a central wavelength; one in the slow axis and one in the fast axis. By measuring the intensity of the reflected spectra in each axis and by tuning the fiber with a polarization controller, it is possible to adjust the fiber to a predetermined SOP. After having adjusted the PM fiber to a predetermined SOP, it is possible to accurately measure the optical properties of a second grating, or of another optical device, according to the predetermined SOP. The method of the present invention can also be advantageously used for accurate measurement of reflectivity.

公开(公告)号：EP2010877A2

公开(公告)日：2009-01-07

申请号：EP07760723.2

申请日：2007-04-16

Applicant: Bioptix, LLC

Inventor： HALL, John ,  PETROPAVLOVSKIKH, Viatcheslav ,  NILSEN, Oyvind

IPC: G01J4/00

CPC classification number: G01N21/45 ,  G01N21/21 ,  G01N21/253 ,  G01N21/41 ,  G01N21/552 ,  G01N21/553 ,  G01N2021/212

Abstract: A sensor and method for determining the optical properties of a sample material is disclosed. The sensor comprises a light source that generates a linearly polarized light beam having a predetermined polarization orientation with respect to the plane of incidence. The linearly polarized light beam is reflected off the sample and is split into second and third light beams where the second and third light beam consist of the combined projections of mutually orthogonal components of the first light beam. A signal processor measures the intensity difference between the second and third light beams to calculate the phase difference induced by the sample material.

公开(公告)号：EP2008067A1

公开(公告)日：2008-12-31

申请号：EP06788947.7

申请日：2006-07-30

Applicant: J.A. WOOLLAM CO. INC.

Inventor： WOOLAM, John A. ,  WELCH, James D.

IPC: G01J4/00

CPC classification number: G01N21/211 ,  G01B11/0641

Abstract: A combined ellipsometer and oscillator system applied to a chamber (CH) for containing fluid, and method of decorrelated determination of thickness and optical constants of depositable materials present in a fluid. In use the ellipsometer determines the product of thickness and optical constant, and the oscillator system changes frequency of oscillation proportional to the thickness of material deposited upon a surface of an element therein.

公开(公告)号：EP1969323A1

公开(公告)日：2008-09-17

申请号：EP05820442.1

申请日：2005-12-28

Applicant: Bioscan Ltd.

Inventor： KHATCHATUROV, Arkady ,  VOITSECHOV, Uri ,  MATCOVITCH, Avram

IPC: G01J1/04 ,  G01J1/42 ,  G01J5/08 ,  G01J4/00 ,  G02B6/00 ,  G01N21/00 ,  G01C19/72

CPC classification number: G01J1/4228 ,  G01D5/35383 ,  G01J1/04 ,  G01J1/0425

Abstract: A method for detecting and measuring physical perturbations sensed by a multi-mode waveguide, through which a number of modes of a coherent electromagnetic wave propagates through and exit from. The method comprises irradiating the exiting electromagnetic wave on one or more two-dimensional sensing arrays comprising a plurality of sensing elements that are sensitive to the irradiated electromagnetic wave; determining, simultaneously, in a parallel manner, absolute values of sensed changes across different zones of the two-dimensional sensing arrays, each zone comprising one or more sensing elements; and summing the absolute values of different groups of different zones to obtain a representation of the perturbations.

公开(公告)号：EP1952107A2

公开(公告)日：2008-08-06

申请号：EP06800530.5

申请日：2006-07-30

Applicant: J.A. WOOLLAM CO. INC.

Inventor： The designation of the inventor has not yet been filed

IPC: G01J4/00

CPC classification number: G01J3/02 ,  G01J3/0208 ,  G01J3/021 ,  G01J3/0229 ,  G01J3/0243 ,  G01J4/00 ,  G01N21/21 ,  G01N21/211 ,  G01N2021/213 ,  G02B17/008

Abstract: Low aberration relay systems modified to perform as spatial filters in reflectometer, spectrophotometer, ellipsometer, polarimeter and the like systems.

公开(公告)号：EP1828712B1

公开(公告)日：2008-07-23

申请号：EP05848201.9

申请日：2005-12-22

Applicant: ECOLE POLYTECHNIQUE ,  Centre National de la Recherche Scientifique

Inventor： DE MARTINO, Antonello ,  DREVILLON, Bernard

IPC: G01B11/06 ,  G01J4/00 ,  G01N21/21

CPC classification number: G01N21/211 ,  G01B11/0641 ,  G01N2021/213

Abstract: The invention relates to a method and device for the polarimetric measurement of a flat object with regularly repeating patterns forming lines of a network. According to the invention, a first zero order measurement is carried out with an angle of incidence (1) for a first azimuthal angle (1), a second zero order measurement is made, with an angle of incidence (2) for a second azimuthal angle (2), the polarisation of the incident beam is modulated and the polarisation of the reflected beam analysed for each measurement, the theoretical polarimetric data for an object model of the real object are calculated, the object model having parameters which may be adjusted by means of a formalism of the electromagnetism. The object is characterised by making an iterative comparison of measured with the theoretical polarimetric data for different values for the adjustable parameters.

公开(公告)号：EP1698939A3

公开(公告)日：2008-04-16

申请号：EP06004225.6

申请日：2006-03-02

Applicant: CANON KABUSHIKI KAISHA

Inventor： Yamazoe, Kenji ,  Takeuchi, Seiji ,  Suzuki, Akiyoshi

IPC: G03F7/20 ,  G01J4/00

CPC classification number: G03F7/7085 ,  G01J4/04 ,  G03F7/70058 ,  G03F7/70566 ,  G03F7/70591

Abstract: An exposure apparatus includes an illumination optical (IO) system for illuminating the reticle (MK) using the ultraviolet light from the light source, and a polarization measuring unit (1) measuring the polarization state of the ultraviolet light, the polarization measuring unit including an optical unit for providing at least three different phase differences to the ultraviolet light that has passed at least part of the illumination optical system, a polarization element for providing a different transmittance in accordance with a polarization state of the ultraviolet light that has passed the optical unit, and an image pickup device (22) for detecting a light intensity of the ultraviolet light that has passed the polarization element, the polarization measuring unit measuring the polarization state of the ultraviolet light that has passed the at least part of the illumination optical system based on a detection result of the image pickup device.

公开(公告)号：EP1865302A1

公开(公告)日：2007-12-12

申请号：EP06725797.2

申请日：2006-03-03

Applicant: UNIVERSIDAD POLITECNICA DE VALENCIA

Inventor： MARTÍ SENDRA, Javier Univ. Politécnica de Valencia ,  LLORENTE SAEZ, Roberto Univ. Politécnica Valencia

IPC: G01M11/02 ,  G01J4/00 ,  H04B10/08

CPC classification number: G01M11/332 ,  G01J4/04 ,  G01M11/336 ,  H04B10/07951 ,  H04B10/2569

Abstract: A method and device capable of evaluating the specific values of the polarization state of the signal transmitted in a photonic transmission system for a number of frequencies of one or more of the pulses extracted from the optical signal by means of the translation of the frequential components of polarization state of one or more pulses to the time domain by means of the use of an optical Fourier transformer, and their sampling, quantification and subsequent analysis.
From the analysis the variation in the polarization state versus frequency is calculated, as well as its associate PMD vector and the DGD present in the signal transmitted. This information may be used as a control signal for a PMD compensator device in order to upgrade the quality of communication in the system.

Abstract translation: 通过的frequential组分的翻译的手段的方法，并且可在光子传输系统的数的一个或多个从所述光信号中提取的脉冲的频率的评估信号反式mitted的偏振状态的特定值的设备 一个或多个脉冲，以通过使用光学傅立叶变换器的手段随后的分析时域中，及其取样，量化和的偏振状态。 从分析中的偏振状态相对于频率的变化被计算，以及其关联PMD矢量和DGD信号中存在的反式mitted。 该信息可以以提升沟通的品质在系统中用作用于PMD补偿装置的控制信号。