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1. WO2007140356 - POLARIZATION INSENSITIVE MULTIPLE PROBE

Publication Number WO/2007/140356
Publication Date 06.12.2007
International Application No. PCT/US2007/069840
International Filing Date 29.05.2007
IPC
G01B 9/02 2006.01
GPHYSICS
01MEASURING; TESTING
BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
9Instruments as specified in the subgroups and characterised by the use of optical measuring means
02Interferometers
CPC
A61B 5/0059
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Detecting, measuring or recording for diagnostic purposes
0059using light, e.g. diagnosis by transillumination, diascopy, fluorescence
A61B 5/0066
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Detecting, measuring or recording for diagnostic purposes
0059using light, e.g. diagnosis by transillumination, diascopy, fluorescence
0062Arrangements for scanning
0066Optical coherence imaging
G01N 21/23
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
17Systems in which incident light is modified in accordance with the properties of the material investigated
21Polarisation-affecting properties
23Bi-refringence
Applicants
  • MEDEIKON CORPORATION [US]/[US] (AllExceptUS)
  • AJGAONKAR, Mahesh, U. [US]/[US] (UsOnly)
  • TOMA, Christian [US]/[US] (UsOnly)
Inventors
  • AJGAONKAR, Mahesh, U.
  • TOMA, Christian
Agents
  • MILLER, Raymond, A.
Priority Data
11/753,94525.05.2007US
60/803,26426.05.2006US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) POLARIZATION INSENSITIVE MULTIPLE PROBE
(FR) SONDE MULTIPLE INSENSIBLE À LA POLARISATION
Abstract
(EN)
An apparatus for determining a polarization-insensitive interferometric signal and a birefringence for a sample and methods for using such an apparatus to characterize the sample are proved herein. Such apparatuses may generally be designed to eliminate birefringence associated with the apparatus itself, collect data from the sample using light in both orthogonal states, and determine the interference birefringence associated with the collected data.
(FR)
L'invention a trait à un appareil destiné à déterminer un signal interférométrique insensible à la polarisation lié à un échantillon et la biréfringence de ce dernier, ainsi qu'à des procédés permettant d'utiliser un tel appareil pour caractériser l'échantillon. De tels appareils peuvent généralement être conçus pour éliminer la biréfringence associée à l'appareil lui-même, pour recueillir des données issues de l'échantillon à l'aide de lumière dans les deux états orthogonaux, et pour déterminer l'interférence et la biréfringence associée aux données recueillies.
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