HK1206874A1 - Integrated optics reflectometer - Google Patents

Integrated optics reflectometer

Info

Publication number
HK1206874A1
HK1206874A1 HK15105623.7A HK15105623A HK1206874A1 HK 1206874 A1 HK1206874 A1 HK 1206874A1 HK 15105623 A HK15105623 A HK 15105623A HK 1206874 A1 HK1206874 A1 HK 1206874A1
Authority
HK
Hong Kong
Prior art keywords
integrated optics
reflectometer
optics reflectometer
integrated
optics
Prior art date
Application number
HK15105623.7A
Other languages
English (en)
Chinese (zh)
Inventor
Philip R Couch
Kent A Murphy
Michael F Gunther
Charles B Gause
Original Assignee
Axonoptics Llc
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 Axonoptics Llc filed Critical Axonoptics Llc
Publication of HK1206874A1 publication Critical patent/HK1206874A1/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35306—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement
    • G01D5/35309—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer
    • G01D5/35316—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer using a Bragg gratings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
    • G01D5/35354—Sensor working in reflection
    • 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
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • 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
    • 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
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
    • H01S5/0687—Stabilising the frequency of the laser

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Optical Integrated Circuits (AREA)
  • Semiconductor Lasers (AREA)
HK15105623.7A 2012-03-14 2015-06-15 Integrated optics reflectometer HK1206874A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261610533P 2012-03-14 2012-03-14
PCT/US2013/031657 WO2013138653A1 (en) 2012-03-14 2013-03-14 Integrated optics reflectometer

Publications (1)

Publication Number Publication Date
HK1206874A1 true HK1206874A1 (en) 2016-01-15

Family

ID=49161825

Family Applications (1)

Application Number Title Priority Date Filing Date
HK15105623.7A HK1206874A1 (en) 2012-03-14 2015-06-15 Integrated optics reflectometer

Country Status (5)

Country Link
EP (1) EP2826112A4 (ko)
JP (1) JP6305975B2 (ko)
KR (1) KR102079807B1 (ko)
HK (1) HK1206874A1 (ko)
WO (1) WO2013138653A1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015199839A1 (en) 2014-06-26 2015-12-30 Baker Hughes Incorporated Ofdr system for localized vibration detection
CN107328429B (zh) * 2017-08-09 2023-05-09 武汉昊衡科技有限公司 光频域反射技术中可提高近距离传感稳定性的装置及方法
JP7506372B2 (ja) 2020-03-27 2024-06-26 株式会社デンソー レーザ装置
GB202108396D0 (en) * 2021-06-11 2021-07-28 Optasense Holdings Ltd Fibre optic sensing
KR102565800B1 (ko) * 2022-03-08 2023-08-10 람다이노비전 주식회사 FMCW LiDAR의 레이저 변조 주파수 선형화 제어기

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4842358A (en) * 1987-02-20 1989-06-27 Litton Systems, Inc. Apparatus and method for optical signal source stabilization
JPH05198887A (ja) * 1992-01-23 1993-08-06 Fujitsu Ltd レーザの光周波数偏移量の測定・制御装置
JP3282135B2 (ja) * 1993-06-17 2002-05-13 日本電信電話株式会社 光周波数領域反射測定装置
JP3210152B2 (ja) * 1993-09-17 2001-09-17 キヤノン株式会社 半導体レーザの駆動方法及び駆動装置、及びそれを用いた光通信方法及び光通信システム
JP3262311B2 (ja) * 1996-02-09 2002-03-04 日本電信電話株式会社 周波数掃引誤差検出方法および回路、光周波数掃引光源、ならびに光周波数領域反射測定回路
TW542908B (en) * 2001-11-30 2003-07-21 Univ Nat Chiao Tung Signal processing method to improve spatial resolution in the temperature distribution measurement
US7126693B2 (en) * 2004-03-29 2006-10-24 Carl Zeiss Meditec, Inc. Simple high efficiency optical coherence domain reflectometer design
JP2007271925A (ja) * 2006-03-31 2007-10-18 Fujitsu Ltd 光集積素子
US7515276B2 (en) * 2006-07-26 2009-04-07 Luna Innovations Incorporated High resolution interferometric optical frequency domain reflectometry (OFDR) beyond the laser coherence length
US8149419B2 (en) * 2007-02-28 2012-04-03 Nippon Telegraph And Telephone Corporation Optical reflectometry and optical reflectometer
US20090141756A1 (en) * 2007-11-30 2009-06-04 Hiremath Channamallesh G Adaptive Thermal Feedback System for a Laser Diode
CN101729184B (zh) * 2008-10-31 2013-01-02 华为技术有限公司 一种波长调整方法及其装置、系统
JP5730469B2 (ja) * 2009-03-27 2015-06-10 古河電気工業株式会社 波長可変光源装置
US8428091B2 (en) * 2009-12-21 2013-04-23 Electronics And Telecommunications Research Institute Tunable laser module
JP2012038929A (ja) * 2010-08-06 2012-02-23 Hitachi Ltd 熱電変換素子、それを用いた磁気ヘッド及び磁気記録再生装置

Also Published As

Publication number Publication date
EP2826112A1 (en) 2015-01-21
KR102079807B1 (ko) 2020-02-20
WO2013138653A1 (en) 2013-09-19
JP6305975B2 (ja) 2018-04-04
EP2826112A4 (en) 2016-04-20
JP2015514306A (ja) 2015-05-18
KR20150028956A (ko) 2015-03-17

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