ATE437350T1 - Optische verstärkung bei der kohärenten optischen frequenzmodulierten dauer-reflektometrie - Google Patents

Optische verstärkung bei der kohärenten optischen frequenzmodulierten dauer-reflektometrie

Info

Publication number
ATE437350T1
ATE437350T1 AT01980204T AT01980204T ATE437350T1 AT E437350 T1 ATE437350 T1 AT E437350T1 AT 01980204 T AT01980204 T AT 01980204T AT 01980204 T AT01980204 T AT 01980204T AT E437350 T1 ATE437350 T1 AT E437350T1
Authority
AT
Austria
Prior art keywords
sample
light field
light
reflectometry
reflected
Prior art date
Application number
AT01980204T
Other languages
English (en)
Inventor
Peter Andersen
Anders Bjarklev
Andreas Tycho
Original Assignee
Univ Danmarks Tekniske
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 Univ Danmarks Tekniske filed Critical Univ Danmarks Tekniske
Application granted granted Critical
Publication of ATE437350T1 publication Critical patent/ATE437350T1/de

Links

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Glass Compositions (AREA)
AT01980204T 2000-10-31 2001-10-31 Optische verstärkung bei der kohärenten optischen frequenzmodulierten dauer-reflektometrie ATE437350T1 (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
ATE437350T1 true ATE437350T1 (de) 2009-08-15

Family

ID=8159817

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01980204T ATE437350T1 (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) AU1210502A (de)
CA (1) CA2426714C (de)
DE (1) DE60139346D1 (de)
WO (1) WO2002037075A2 (de)

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Also Published As

Publication number Publication date
WO2002037075A2 (en) 2002-05-10
CA2426714A1 (en) 2002-05-10
DE60139346D1 (de) 2009-09-03
AU2002212105B2 (en) 2006-06-08
US6900943B2 (en) 2005-05-31
AU1210502A (en) 2002-05-15
US20040075840A1 (en) 2004-04-22
CA2426714C (en) 2010-02-09
WO2002037075A3 (en) 2003-08-14
EP1356250A2 (de) 2003-10-29
EP1356250B1 (de) 2009-07-22

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