DE60139346D1 - Optische verstärkung bei der kohärenten optischen frequenzmodulierten dauer-reflektometrie - Google Patents

Optische verstärkung bei der kohärenten optischen frequenzmodulierten dauer-reflektometrie

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Publication number
DE60139346D1
DE60139346D1 DE60139346T DE60139346T DE60139346D1 DE 60139346 D1 DE60139346 D1 DE 60139346D1 DE 60139346 T DE60139346 T DE 60139346T DE 60139346 T DE60139346 T DE 60139346T DE 60139346 D1 DE60139346 D1 DE 60139346D1
Authority
DE
Germany
Prior art keywords
sample
light field
light
reflectometry
reflected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60139346T
Other languages
English (en)
Inventor
Peter E Andersen
Anders Bjarklev
Andreas Tycho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Danmarks Tekniskie Universitet
Original Assignee
Danmarks Tekniskie Universitet
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Danmarks Tekniskie Universitet filed Critical Danmarks Tekniskie Universitet
Application granted granted Critical
Publication of DE60139346D1 publication Critical patent/DE60139346D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4795—Scattering, i.e. diffuse reflection spatially resolved investigating of object in scattering medium
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
    • G01B9/02002—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies
    • G01B9/02004—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies using frequency scans
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/0209—Low-coherence interferometers
    • G01B9/02091—Tomographic interferometers, e.g. based on optical coherence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
    • G01M11/3127—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR using multiple or wavelength variable input source
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3172—Reflectometers detecting the back-scattered light in the frequency-domain, e.g. OFDR, FMCW, heterodyne detection
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0062—Arrangements for scanning
    • A61B5/0066—Optical coherence imaging
DE60139346T 2000-10-31 2001-10-31 Optische verstärkung bei der kohärenten optischen frequenzmodulierten dauer-reflektometrie Expired - Lifetime DE60139346D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA200001637 2000-10-31
PCT/DK2001/000721 WO2002037075A2 (en) 2000-10-31 2001-10-31 Optical amplification in coherent optical frequency modulated continuous wave reflectometry

Publications (1)

Publication Number Publication Date
DE60139346D1 true DE60139346D1 (de) 2009-09-03

Family

ID=8159817

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60139346T Expired - Lifetime DE60139346D1 (de) 2000-10-31 2001-10-31 Optische verstärkung bei der kohärenten optischen frequenzmodulierten dauer-reflektometrie

Country Status (7)

Country Link
US (1) US6900943B2 (de)
EP (1) EP1356250B1 (de)
AT (1) ATE437350T1 (de)
AU (2) AU2002212105B2 (de)
CA (1) CA2426714C (de)
DE (1) DE60139346D1 (de)
WO (1) WO2002037075A2 (de)

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Publication number Publication date
CA2426714C (en) 2010-02-09
AU2002212105B2 (en) 2006-06-08
EP1356250B1 (de) 2009-07-22
US20040075840A1 (en) 2004-04-22
EP1356250A2 (de) 2003-10-29
US6900943B2 (en) 2005-05-31
WO2002037075A3 (en) 2003-08-14
CA2426714A1 (en) 2002-05-10
WO2002037075A2 (en) 2002-05-10
ATE437350T1 (de) 2009-08-15
AU1210502A (en) 2002-05-15

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