GB0322995D0 - Interferometric measurement apparatus and method therefor - Google Patents

Interferometric measurement apparatus and method therefor

Info

Publication number
GB0322995D0
GB0322995D0 GB0322995A GB0322995A GB0322995D0 GB 0322995 D0 GB0322995 D0 GB 0322995D0 GB 0322995 A GB0322995 A GB 0322995A GB 0322995 A GB0322995 A GB 0322995A GB 0322995 D0 GB0322995 D0 GB 0322995D0
Authority
GB
United Kingdom
Prior art keywords
measurement apparatus
method therefor
interferometric measurement
interferometric
therefor
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.)
Granted
Application number
GB0322995A
Other versions
GB2406638B (en
GB2406638A (en
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.)
Academisch Medisch Centrum
Original Assignee
Academisch Medisch Centrum
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 Academisch Medisch Centrum filed Critical Academisch Medisch Centrum
Priority to GB0322995A priority Critical patent/GB2406638B/en
Publication of GB0322995D0 publication Critical patent/GB0322995D0/en
Priority to PCT/IB2004/003342 priority patent/WO2005032360A1/en
Publication of GB2406638A publication Critical patent/GB2406638A/en
Application granted granted Critical
Publication of GB2406638B publication Critical patent/GB2406638B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/41—Detecting, measuring or recording for evaluating the immune or lymphatic systems
    • A61B5/413—Monitoring transplanted tissue or organ, e.g. for possible rejection reactions after a transplant
    • 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
    • A61B5/0073—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by tomography, i.e. reconstruction of 3D images from 2D projections
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/45—Interferometric spectrometry
    • G01J3/453—Interferometric spectrometry by correlation of the amplitudes
    • 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
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0233—Special features of optical sensors or probes classified in A61B5/00
    • A61B2562/0242—Special features of optical sensors or probes classified in A61B5/00 for varying or adjusting the optical path length in the tissue
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G01N2021/3144—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths for oxymetry
    • 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
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
    • G01N2021/451—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods for determining the optical absorption
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
GB0322995A 2003-10-01 2003-10-01 Interferometric measurement apparatus and method therefor Expired - Fee Related GB2406638B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0322995A GB2406638B (en) 2003-10-01 2003-10-01 Interferometric measurement apparatus and method therefor
PCT/IB2004/003342 WO2005032360A1 (en) 2003-10-01 2004-10-01 Multiple reference path interferometer and spectroscopy method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0322995A GB2406638B (en) 2003-10-01 2003-10-01 Interferometric measurement apparatus and method therefor

Publications (3)

Publication Number Publication Date
GB0322995D0 true GB0322995D0 (en) 2003-11-05
GB2406638A GB2406638A (en) 2005-04-06
GB2406638B GB2406638B (en) 2006-03-29

Family

ID=29415310

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0322995A Expired - Fee Related GB2406638B (en) 2003-10-01 2003-10-01 Interferometric measurement apparatus and method therefor

Country Status (2)

Country Link
GB (1) GB2406638B (en)
WO (1) WO2005032360A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005039021A1 (en) * 2005-06-14 2006-12-21 Klews, Peter-Michael, Dr. Non-invasive quantitative instrument e.g. for analyzing components contained in blood, based on principle of NIR spectroscopy having NIR radiation source and radiation detector
GB2432067A (en) * 2005-11-02 2007-05-09 Oti Ophthalmic Technologies Optical coherence tomography depth scanning with varying reference path difference over imaging array
DE102007023293B3 (en) * 2007-05-16 2008-09-25 Universität Zu Lübeck Method for optical coherence tomography
DE102009053006B4 (en) * 2009-11-16 2014-04-24 Bundesrepublik Deutschland, vertr.d.d. Bundesministerium für Wirtschaft und Technologie, d.vertr.d.d. Präsidenten der Physikalisch-Technischen Bundesanstalt length measuring instrument
US20110122412A1 (en) * 2009-11-23 2011-05-26 General Electric Company Devices and methods for optical detection
KR102505234B1 (en) * 2018-04-12 2023-03-03 삼성전자주식회사 Method for detecting biometric information using spatial litht modulators

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4411017C2 (en) * 1994-03-30 1995-06-08 Alexander Dr Knuettel Optical stationary spectroscopic imaging in strongly scattering objects through special light focusing and signal detection of light of different wavelengths
US5600440A (en) * 1995-07-05 1997-02-04 The United States Of America As Represented By The Secretary Of The Navy Liquid crystal interferometer
US6015969A (en) * 1996-09-16 2000-01-18 The Regents Of The University Of California Multiple-wavelength spectroscopic quantitation of light-absorbing species in scattering media
US6198540B1 (en) * 1997-03-26 2001-03-06 Kowa Company, Ltd. Optical coherence tomography have plural reference beams of differing modulations
WO1998053733A1 (en) * 1997-05-26 1998-12-03 Hitachi, Ltd. Inspection apparatus using optical interferometer
FR2783323B1 (en) * 1998-09-10 2000-10-13 Suisse Electronique Microtech INTERFEROMETRIC DEVICE TO DETECT THE CHARACTERISTICS OF OPTICAL REFLECTION AND / OR TRANSMISSION IN DEPTH OF AN OBJECT
US6615072B1 (en) * 1999-02-04 2003-09-02 Olympus Optical Co., Ltd. Optical imaging device
AU2001270030A1 (en) * 2000-06-21 2002-01-02 Robert H. Cormack Selectively enabled delay elements for interferometers
WO2002071042A2 (en) * 2001-01-29 2002-09-12 Izatt Joseph A Frequency-encoded parallel oct and associated systems and methods
US6728571B1 (en) * 2001-07-16 2004-04-27 Scimed Life Systems, Inc. Electronically scanned optical coherence tomography with frequency modulated signals
CN1623085A (en) * 2002-01-24 2005-06-01 通用医疗公司 Apparatus and method for ranging and noise reduction of low coherence interferometry LCI and optical coherence tomography OCT signals by parallel detection of spectral bands

Also Published As

Publication number Publication date
WO2005032360A1 (en) 2005-04-14
GB2406638B (en) 2006-03-29
GB2406638A (en) 2005-04-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20071001