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DE602007001937D1 - Optischer Tomograph - Google Patents

Optischer Tomograph

Info

Publication number
DE602007001937D1
DE602007001937D1 DE602007001937T DE602007001937T DE602007001937D1 DE 602007001937 D1 DE602007001937 D1 DE 602007001937D1 DE 602007001937 T DE602007001937 T DE 602007001937T DE 602007001937 T DE602007001937 T DE 602007001937T DE 602007001937 D1 DE602007001937 D1 DE 602007001937D1
Authority
DE
Germany
Prior art keywords
optical tomograph
tomograph
optical
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.)
Active
Application number
DE602007001937T
Other languages
English (en)
Inventor
Masami Hatori
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.)
Fujifilm Corp
Original Assignee
Fujifilm Corp
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 Fujifilm Corp filed Critical Fujifilm Corp
Publication of DE602007001937D1 publication Critical patent/DE602007001937D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—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
    • 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
    • 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
    • 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
    • A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0084—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
    • 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
    • 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
    • G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
    • G01B9/02011—Interferometers characterised by controlling or generating intrinsic radiation properties using temporal polarization variation
    • 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
    • G01B9/02041—Interferometers characterised by particular imaging or detection techniques
    • G01B9/02044—Imaging in the frequency domain, e.g. by using a spectrometer
    • 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
    • G01B9/02083—Interferometers characterised by particular signal processing and presentation
    • G01B9/02087—Combining two or more images of the same region
    • 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
    • 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
    • G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
    • G01B2290/70—Using polarization in the interferometer

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Endoscopes (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE602007001937T 2006-11-24 2007-11-23 Optischer Tomograph Active DE602007001937D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006316613A JP2008128926A (ja) 2006-11-24 2006-11-24 光断層画像化装置

Publications (1)

Publication Number Publication Date
DE602007001937D1 true DE602007001937D1 (de) 2009-09-24

Family

ID=39048041

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007001937T Active DE602007001937D1 (de) 2006-11-24 2007-11-23 Optischer Tomograph

Country Status (4)

Country Link
US (1) US7701585B2 (de)
EP (1) EP1925253B1 (de)
JP (1) JP2008128926A (de)
DE (1) DE602007001937D1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5649286B2 (ja) * 2008-12-26 2015-01-07 キヤノン株式会社 光断層撮像装置、被検査物の画像を撮る撮像装置、光断層撮像装置の制御方法及びそのコンピュータプログラム
JP5236573B2 (ja) * 2009-05-14 2013-07-17 富士フイルム株式会社 光構造計測装置及びその光プローブ
AU2011207444A1 (en) * 2010-01-22 2012-08-09 Duke University Multiple window processing schemes for spectroscopic optical coherence tomography (OCT) and fourier domain low coherence interferometry
DE102010019657B4 (de) * 2010-05-03 2025-07-31 Carl Zeiss Meditec Ag Anordnung zur verbesserten Abbildung von Augenstrukturen
JP2014083285A (ja) * 2012-10-25 2014-05-12 Canon Inc 画像処理装置及び画像処理方法
US9121861B2 (en) * 2013-03-15 2015-09-01 National Security Technologies, Llc Photonic Doppler velocimetry lens array probe incorporating stereo imaging
CN104913846A (zh) * 2015-06-29 2015-09-16 海宁艾可炫照明电器有限公司 扫描型分光光谱仪
JP7019700B2 (ja) 2016-12-21 2022-02-15 アキュセラ インコーポレイテッド 網膜の厚さを測定するための光干渉断層撮影（ｏｃｔ）システム
JP6826496B2 (ja) * 2017-06-07 2021-02-03 タツタ電線株式会社 光干渉ユニットおよび光干渉測定装置
EP3809948A4 (de) 2018-06-20 2022-03-16 Acucela Inc. Miniaturisiertes kostengünstiges optisches kohärenztomografiesystem für ophthalmische anwendungen zuhause
RU2705178C1 (ru) * 2018-12-27 2019-11-05 Федеральное государственное бюджетное научное учреждение "Федеральный исследовательский центр Институт прикладной физики Российской академии наук" (ИПФ РАН) Оптический спектрометр с волоконным входом для оптической когерентной томографии
CN113748035A (zh) * 2019-03-18 2021-12-03 伊顿智能动力有限公司 安装在变速器的充电系统pto齿轮布置
DE102019002942B4 (de) * 2019-04-24 2023-08-03 Lessmüller Lasertechnik GmbH Messvorrichtung und Verfahren zur Durchführung optischer Kohärenztomographie mit einem Kohärenztomographen
US11730363B2 (en) 2019-12-26 2023-08-22 Acucela Inc. Optical coherence tomography patient alignment system for home based ophthalmic applications
US10959613B1 (en) 2020-08-04 2021-03-30 Acucela Inc. Scan pattern and signal processing for optical coherence tomography
WO2022035809A1 (en) 2020-08-14 2022-02-17 Acucela Inc. System and method for optical coherence tomography a-scan decurving
US11393094B2 (en) 2020-09-11 2022-07-19 Acucela Inc. Artificial intelligence for evaluation of optical coherence tomography images
JP2023544704A (ja) 2020-09-30 2023-10-25 アキュセラ インコーポレイテッド 近視の予測、診断、計画、および監視デバイス
EP4312717A4 (de) 2021-03-24 2025-02-19 Acucela Inc. Überwachungsvorrichtung für axiale längenmessung
WO2024185773A1 (ja) * 2023-03-08 2024-09-12 古河電気工業株式会社 レーザ光照射装置

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0322356A3 (de) * 1987-12-19 1991-06-12 Baumer Electric Ag Verfahren und Vorrichtung zur optischen Distanzmessung
US5028134A (en) * 1990-05-24 1991-07-02 Kollmorgen Instruments Depolarizer for light measuring instruments
JPH04364420A (ja) * 1991-06-12 1992-12-16 Matsushita Electric Ind Co Ltd 光位相変調器及びそれを用いた干渉センサ
JPH0658712A (ja) * 1992-08-11 1994-03-04 Fujikura Ltd 光ファイバセンサ
JPH06147905A (ja) * 1992-11-04 1994-05-27 Sumitomo Electric Ind Ltd 偏波変調器と光ファイバジャイロ
JP3551212B2 (ja) * 1995-08-09 2004-08-04 信越化学工業株式会社 偏波無依存型光アイソレータの組立方法
JPH10267756A (ja) * 1997-03-28 1998-10-09 Hoya Corp 光スペクトラムアナライザ
US6208415B1 (en) * 1997-06-12 2001-03-27 The Regents Of The University Of California Birefringence imaging in biological tissue using polarization sensitive optical coherent tomography
US6615072B1 (en) 1999-02-04 2003-09-02 Olympus Optical Co., Ltd. Optical imaging device
JP4464519B2 (ja) 2000-03-21 2010-05-19 オリンパス株式会社 光イメージング装置
EP1362252A4 (de) * 2001-01-12 2006-02-01 Univ Texas Verfahren und vorrichtung zur optischen differenzphasenkohärenztomographie
JP2002365058A (ja) * 2001-06-11 2002-12-18 Fujikura Ltd 光ファイバリング干渉型センサ
US7016048B2 (en) * 2002-04-09 2006-03-21 The Regents Of The University Of California Phase-resolved functional optical coherence tomography: simultaneous imaging of the stokes vectors, structure, blood flow velocity, standard deviation and birefringence in biological samples
US20060038999A1 (en) * 2002-10-25 2006-02-23 Christian Hentschel Polarization conversion unit for reducing polarization dependent measurement errors
US7075658B2 (en) * 2003-01-24 2006-07-11 Duke University Method for optical coherence tomography imaging with molecular contrast
JP4380391B2 (ja) * 2004-03-31 2009-12-09 株式会社ニコン 人工水晶部材の選別方法
WO2006037132A1 (en) * 2004-09-29 2006-04-06 The General Hospital Corporation System and method for optical coherence imaging
US7426021B2 (en) * 2004-11-29 2008-09-16 Expo Electro- Optical Engineering Inc. Interferometric optical analyzer and method for measuring the linear response of an optical component
US20060256348A1 (en) 2005-03-25 2006-11-16 Fuji Photo Film Co., Ltd. Optical tomography apparatus
US7342659B2 (en) * 2005-01-21 2008-03-11 Carl Zeiss Meditec, Inc. Cross-dispersed spectrometer in a spectral domain optical coherence tomography system
EP1705476B1 (de) * 2005-03-25 2014-02-19 Topcon Corporation Optisches Tomographiegerät
US7545504B2 (en) * 2005-10-07 2009-06-09 Biotigen, Inc. Imaging systems using unpolarized light and related methods and controllers
JP2007252475A (ja) * 2006-03-22 2007-10-04 Fujifilm Corp 光断層画像化装置および光断層画像の画質調整方法
EP2004041B1 (de) * 2006-04-05 2013-11-06 The General Hospital Corporation Verfahren, anordnungen und systeme für polarisationsempfindliche optische frequenzbereichsabbildung einer probe

Also Published As

Publication number Publication date
JP2008128926A (ja) 2008-06-05
US7701585B2 (en) 2010-04-20
EP1925253B1 (de) 2009-08-12
EP1925253A1 (de) 2008-05-28
US20080123092A1 (en) 2008-05-29

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