WO2008093448A1 - 波長走査型光源及び光コヒーレンストモグラフィー装置 - Google Patents

波長走査型光源及び光コヒーレンストモグラフィー装置 Download PDF

Info

Publication number
WO2008093448A1
WO2008093448A1 PCT/JP2007/067156 JP2007067156W WO2008093448A1 WO 2008093448 A1 WO2008093448 A1 WO 2008093448A1 JP 2007067156 W JP2007067156 W JP 2007067156W WO 2008093448 A1 WO2008093448 A1 WO 2008093448A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
wavelength
light source
interference
observation
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.)
Ceased
Application number
PCT/JP2007/067156
Other languages
English (en)
French (fr)
Other versions
WO2008093448A9 (ja
Inventor
Motonobu Kourogi
Kazuhiro Imai
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.)
Optical Comb Inc
Original Assignee
Optical Comb Inc
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 Optical Comb Inc filed Critical Optical Comb Inc
Priority to EP07806624A priority Critical patent/EP2136443A1/en
Priority to US12/523,857 priority patent/US20100097614A1/en
Publication of WO2008093448A1 publication Critical patent/WO2008093448A1/ja
Anticipated expiration legal-status Critical
Publication of WO2008093448A9 publication Critical patent/WO2008093448A9/ja
Ceased legal-status Critical Current

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
    • 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
    • A61B5/0073—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
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/0305—Constructional arrangements
    • G02F1/0311—Structural association of optical elements, e.g. lenses, polarizers, phase plates, with the crystal
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/0305—Constructional arrangements
    • G02F1/0322—Arrangements comprising two or more independently controlled crystals
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference
    • G02F1/213—Fabry-Perot type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06791—Fibre ring lasers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08054—Passive cavity elements acting on the polarization, e.g. a polarizer for branching or walk-off compensation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/0813—Configuration of resonator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/082—Construction or shape of optical resonators or components thereof comprising three or more reflectors defining a plurality of resonators, e.g. for mode selection or suppression
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
    • H01S3/1062—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using a controlled passive interferometer, e.g. a Fabry-Perot etalon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
    • H01S3/107—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using electro-optic devices, e.g. exhibiting Pockels or Kerr effect
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1305—Feedback control systems

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

　レーザ発振光路中に設けられた互いに近接したＦＳＲ（Free spectral range）を有する２台のファブリペロー共振器（１３Ａ，１３Ｂ）の内の少なくとも一方のファブリペロー共振器の共振器長を一定範囲で周期的に変化させることにより、上記２台のファブリペロー共振器（１３Ａ，１３Ｂ）をバーニア効果により選択波長を可変することのできる狭帯域の波長可変フィルタとして機能させて、時間的に波長を走査したレーザ光を出力する波長走査型レーザ光源（１０）と、上記波長走査型レーザ光源（１０）から出力されたレーザ光を参照光と被観測体（６０）に照射する観測光とに分岐し、被観測体（６０）に照射した観測光の反射光と上記参照光との干渉光を発生する干渉光学系（２０）と、上記干渉光学系（２０）により得られる干渉光を受光して電気信号に変換し、上記被観測体（６０）の光断層画像情報を算出する信号処理部（５０）とを備える。
PCT/JP2007/067156 2007-01-29 2007-09-03 波長走査型光源及び光コヒーレンストモグラフィー装置 Ceased WO2008093448A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07806624A EP2136443A1 (en) 2007-01-29 2007-09-03 Wavelength scanning light source and optical coherence tomography device
US12/523,857 US20100097614A1 (en) 2007-01-29 2007-09-03 Wavelength scanning light source and optical coherence tomography device

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2007018168 2007-01-29
JP2007-018168 2007-01-29
JP2007173348 2007-06-29
JP2007173347 2007-06-29
JP2007-173347 2007-06-29
JP2007-173348 2007-06-29

Publications (2)

Publication Number Publication Date
WO2008093448A1 true WO2008093448A1 (ja) 2008-08-07
WO2008093448A9 WO2008093448A9 (ja) 2009-11-05

Family

ID=39673764

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/067156 Ceased WO2008093448A1 (ja) 2007-01-29 2007-09-03 波長走査型光源及び光コヒーレンストモグラフィー装置

Country Status (3)

Country Link
US (1) US20100097614A1 (ja)
EP (1) EP2136443A1 (ja)
WO (1) WO2008093448A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012502456A (ja) * 2008-09-03 2012-01-26 ライトラブ イメージング， インコーポレイテッド 波長調節可能光源
JP2015532717A (ja) * 2012-08-31 2015-11-12 ライトラボ・イメージング・インコーポレーテッド 光干渉断層撮影を制御するシステム及び方法
CN113358037A (zh) * 2021-08-10 2021-09-07 中国计量科学研究院 一种激光位移测量装置和方法
US12158340B2 (en) 2021-08-10 2024-12-03 National Institute Of Metrology, China Device and method for measuring laser displacement

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2415131B1 (en) * 2009-04-03 2020-10-28 Exalos AG Light source, and optical coherence tomography module
US8670129B2 (en) 2009-09-03 2014-03-11 Axsun Technologies, Inc. Filtered ASE swept source for OCT medical imaging
US8526472B2 (en) 2009-09-03 2013-09-03 Axsun Technologies, Inc. ASE swept source with self-tracking filter for OCT medical imaging
KR101258235B1 (ko) 2010-08-04 2013-04-30 부산대학교 산학협력단 능동형 모드 잠김 레이저를 이용한 광 결맞음 단층 영상기기
DE102011011277B4 (de) 2011-02-11 2024-05-08 Carl Zeiss Meditec Ag Optimierte Vorrichtung zur Swept Source Optical Coherence Domain Reflectometry und Tomography
DE102011100252A1 (de) * 2011-05-03 2012-11-08 Polytec Gmbh Verfahren und Vorrichtung zur optischen, berührungslosen Schwingungsmessung eines schwingenden Objekts
TWI467154B (zh) * 2011-08-31 2015-01-01 Univ Nat Taiwan 干涉成像裝置及其系統
JP2013096877A (ja) * 2011-11-01 2013-05-20 Canon Inc 計測装置
US9429474B2 (en) * 2012-10-08 2016-08-30 Si-Ware Systems Fourier transform micro spectrometer based on spatially-shifted interferogram bursts
EP2936626A4 (en) * 2012-12-21 2016-08-17 David Welford SYSTEMS AND METHOD FOR REDUCING A WAVELENGTH LIGHT EMISSION
JP6285659B2 (ja) * 2013-08-05 2018-02-28 浜松ホトニクス株式会社 波長可変光源
US9958253B2 (en) 2014-07-29 2018-05-01 Collage Medical Imaging Ltd. Synchronized dual mode OCT system
US10185205B2 (en) * 2015-07-13 2019-01-22 The Regents Of The University Of Colorado, A Body CMOS compatible optical modulators
KR20170086264A (ko) * 2016-01-18 2017-07-26 한국전자통신연구원 Twdm 기반 물리량 측정 장치 및 방법
CA3061993C (en) * 2017-05-22 2025-04-01 Imec Vzw III-V/IV LASER SENSOR SYSTEM-CHIP FOR REAL-TIME MONITORING OF BLOOD COMPONENT CONCENTRATION LEVELS
CN108225657B (zh) * 2017-09-28 2020-05-29 南京邮电大学 一种具有光学游标效应的光纤fp气压传感器及其制备方法
US11502477B2 (en) * 2020-02-26 2022-11-15 Lumentum Operations Llc In-fiber retroreflector
EP4392761B1 (en) 2021-08-24 2026-04-29 Danmarks Tekniske Universitet Thz cross-correlation device
CN114088734B (zh) * 2021-11-18 2022-06-24 广东电网有限责任公司 一种复合绝缘子内部缺陷检测系统及方法

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10173275A (ja) * 1996-12-13 1998-06-26 Central Res Inst Of Electric Power Ind 波長可変レーザー装置
JP2002538494A (ja) * 1999-02-23 2002-11-12 マルコニ キャスウェル リミテッド 光変調器
JP2005055652A (ja) * 2003-08-04 2005-03-03 Hamamatsu Photonics Kk 可変スペクトル光発生装置
JP2005099503A (ja) * 2003-09-25 2005-04-14 Nippon Telegr & Teleph Corp <Ntt> 通信用パルス光源
JP2006237359A (ja) 2005-02-25 2006-09-07 Sun Tec Kk 波長走査型ファイバレーザ光源
JP2006278770A (ja) 2005-03-29 2006-10-12 Nec Corp 波長可変レーザ
JP2007018168A (ja) 2005-07-06 2007-01-25 Murata Mach Ltd 生体認証装置及び画像処理装置
JP2007101365A (ja) 2005-10-04 2007-04-19 Univ Of Tsukuba 光コヒーレンストモグラフィーの構成機器の較正方法
JP2007173448A (ja) 2005-12-21 2007-07-05 Keihin Corp 電磁ソレノイド
JP2007173347A (ja) 2005-12-20 2007-07-05 Renesas Technology Corp 半導体装置及びその製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081765A (en) * 1976-06-03 1978-03-28 Coherent, Inc. Method and apparatus for providing a calibrated scan for a scanning laser
US4897843A (en) * 1989-04-21 1990-01-30 Sparta, Inc. Frequency-agile laser systems
US4979178A (en) * 1989-06-20 1990-12-18 The Boeing Company Tunable narrow-linewidth semiconductor laser
US5694408A (en) * 1995-06-07 1997-12-02 Mcdonnell Douglas Corporation Fiber optic laser system and associated lasing method
US7035484B2 (en) * 2002-04-12 2006-04-25 Xtellus, Inc. Tunable optical filter

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10173275A (ja) * 1996-12-13 1998-06-26 Central Res Inst Of Electric Power Ind 波長可変レーザー装置
JP2002538494A (ja) * 1999-02-23 2002-11-12 マルコニ キャスウェル リミテッド 光変調器
JP2005055652A (ja) * 2003-08-04 2005-03-03 Hamamatsu Photonics Kk 可変スペクトル光発生装置
JP2005099503A (ja) * 2003-09-25 2005-04-14 Nippon Telegr & Teleph Corp <Ntt> 通信用パルス光源
JP2006237359A (ja) 2005-02-25 2006-09-07 Sun Tec Kk 波長走査型ファイバレーザ光源
JP2006278770A (ja) 2005-03-29 2006-10-12 Nec Corp 波長可変レーザ
JP2007018168A (ja) 2005-07-06 2007-01-25 Murata Mach Ltd 生体認証装置及び画像処理装置
JP2007101365A (ja) 2005-10-04 2007-04-19 Univ Of Tsukuba 光コヒーレンストモグラフィーの構成機器の較正方法
JP2007173347A (ja) 2005-12-20 2007-07-05 Renesas Technology Corp 半導体装置及びその製造方法
JP2007173448A (ja) 2005-12-21 2007-07-05 Keihin Corp 電磁ソレノイド

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
YAMASHITA ET AL., IEEE JOURNAL ON SELECTED TOPICS IN QUANTUM ELECTRONICS, vol. 7, no. 1, January 2001 (2001-01-01), pages 41 - 43

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012502456A (ja) * 2008-09-03 2012-01-26 ライトラブ イメージング， インコーポレイテッド 波長調節可能光源
JP2015532717A (ja) * 2012-08-31 2015-11-12 ライトラボ・イメージング・インコーポレーテッド 光干渉断層撮影を制御するシステム及び方法
JP2018105867A (ja) * 2012-08-31 2018-07-05 ライトラボ・イメージング・インコーポレーテッド 光干渉断層撮影を制御するシステム及び方法
CN113358037A (zh) * 2021-08-10 2021-09-07 中国计量科学研究院 一种激光位移测量装置和方法
CN113358037B (zh) * 2021-08-10 2021-11-09 中国计量科学研究院 一种激光位移测量装置和方法
US12158340B2 (en) 2021-08-10 2024-12-03 National Institute Of Metrology, China Device and method for measuring laser displacement

Also Published As

Publication number Publication date
WO2008093448A9 (ja) 2009-11-05
US20100097614A1 (en) 2010-04-22
EP2136443A1 (en) 2009-12-23

Similar Documents

Publication Publication Date Title
WO2008093448A1 (ja) 波長走査型光源及び光コヒーレンストモグラフィー装置
JP6548695B2 (ja) ハイスピード光学波長チューニング源の利用のための装置及び方法
US8699013B2 (en) Chromatic dispersion measurement device and chromatic dispersion measurement method for measuring the dispersion of light pulses
KR101601253B1 (ko) 광 간섭성 단층 촬영 기술
JP5984693B2 (ja) 光干渉断層撮像装置及び光干渉断層撮像方法
ATE524706T1 (de) Optische kohärenztomographie im fourierbereich mit einem durchgestimmten mehrwellenlängenlaser und mehrkanalempfänger
JP5939866B2 (ja) 光干渉断層撮像装置及び撮像方法
EP2917685B1 (en) Oct system with phase sensitive interference signal sampling
WO2006036717A3 (en) Optical feedback from mode-selective tuner
US8493567B2 (en) Optical tomographic image acquisition apparatus and method of acquiring optical tomographic image which adjusts reference position that acquires optical tomographic image based on sheath interference signal
WO2007109336A3 (en) Apparatus for continuous readout of fabry-perot fiber optic sensor
CN111094940B (zh) 断层图像拍摄装置
JP5021221B2 (ja) 分布型光ファイバセンサ
WO2009104751A1 (ja) 光ファイバ特性測定装置及び方法
JP2008157759A (ja) 光ファイバセンサシステム
WO2007082055A3 (en) Broad- and inter-band multi-wavelength-reference method and apparatus for wavelength measurement or monitoring systems
JP6264547B2 (ja) 光信号生成装置、距離測定装置、分光特性測定装置、周波数特性測定装置及び光信号生成方法
WO2006033133A3 (en) Method and device for multiplying optical frequencies by a factor 1.5
JP6257033B2 (ja) 距離測定装置、及び距離測定方法
JP2015524621A (ja) 調節可能レーザを動的に掃引するためのシステムおよび方法
US11953320B2 (en) Optical coherence tomographic imager, optical coherence tomographic imaging method, and program
ATE360803T1 (de) Hochauflösende wellenlängen- überwachungsvorrichtung für abstimmbare lasersysteme
JP2007212427A (ja) 光周波数検出装置、光スペクトラムアナライザおよび光信号処理装置
EP3150969B1 (en) Sensor for measuring the distribution of physical magnitudes in an optical fibre and associated measuring method
JP2015137996A (ja) 計測システム、ファブリーペロー共振器及び計測方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07806624

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 12523857

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 2007806624

Country of ref document: EP