JP2005512047A - 光ファイバの欠陥を検出するセンサおよび方法 - Google Patents

光ファイバの欠陥を検出するセンサおよび方法 Download PDF

Info

Publication number
JP2005512047A
JP2005512047A JP2003549892A JP2003549892A JP2005512047A JP 2005512047 A JP2005512047 A JP 2005512047A JP 2003549892 A JP2003549892 A JP 2003549892A JP 2003549892 A JP2003549892 A JP 2003549892A JP 2005512047 A JP2005512047 A JP 2005512047A
Authority
JP
Japan
Prior art keywords
light
modulation signal
optical path
path
length
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.)
Pending
Application number
JP2003549892A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005512047A5 (enExample
Inventor
レインジ，チャールズ
アング，ディック
アンソン，スコット
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.)
Honeywell International Inc
Original Assignee
Honeywell International 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 Honeywell International Inc filed Critical Honeywell International Inc
Publication of JP2005512047A publication Critical patent/JP2005512047A/ja
Publication of JP2005512047A5 publication Critical patent/JP2005512047A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
    • G01M11/333—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face using modulated input signals
    • 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
    • G01D5/35325—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 interferometer with two arms in reflection, e.g. Mickelson interferometer
    • 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
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
    • 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
    • G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
    • G01M11/331—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face by using interferometer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Gyroscopes (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
JP2003549892A 2001-12-04 2002-11-21 光ファイバの欠陥を検出するセンサおよび方法 Pending JP2005512047A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/004,651 US6798523B2 (en) 2001-12-04 2001-12-04 Sensor and method for detecting fiber optic faults
PCT/US2002/037471 WO2003048746A1 (en) 2001-12-04 2002-11-21 Sensor and method for detecting fiber optic faults

Publications (2)

Publication Number Publication Date
JP2005512047A true JP2005512047A (ja) 2005-04-28
JP2005512047A5 JP2005512047A5 (enExample) 2006-01-05

Family

ID=21711817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003549892A Pending JP2005512047A (ja) 2001-12-04 2002-11-21 光ファイバの欠陥を検出するセンサおよび方法

Country Status (4)

Country Link
US (1) US6798523B2 (enExample)
EP (1) EP1451556A1 (enExample)
JP (1) JP2005512047A (enExample)
WO (1) WO2003048746A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013535675A (ja) * 2010-07-29 2013-09-12 ワイカトリンク リミテッド 対象物の距離特性および／または輝度特性を測定する装置および方法

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7667849B2 (en) * 2003-09-30 2010-02-23 British Telecommunications Public Limited Company Optical sensor with interferometer for sensing external physical disturbance of optical communications link
GB0322859D0 (en) * 2003-09-30 2003-10-29 British Telecomm Communication
FR2867620B1 (fr) * 2004-03-12 2008-10-24 Thales Sa Dispositif de decalage de frequence dans un chemin optique a source laser continue
FR2867619B1 (fr) * 2004-03-12 2006-06-23 Thales Sa Dispositif de decalage de frequence dans un chemin optique a source laser pulsee
GB0407386D0 (en) * 2004-03-31 2004-05-05 British Telecomm Monitoring a communications link
US7245800B1 (en) 2004-09-08 2007-07-17 Lockheed Martin Corporation Fiber optic interconnect with visible laser indicator and fault detector
GB0421747D0 (en) * 2004-09-30 2004-11-03 British Telecomm Distributed backscattering
US7848645B2 (en) * 2004-09-30 2010-12-07 British Telecommunications Public Limited Company Identifying or locating waveguides
EP1825613B1 (en) 2004-12-17 2011-02-16 BRITISH TELECOMMUNICATIONS public limited company Assessing a network
GB0427733D0 (en) * 2004-12-17 2005-01-19 British Telecomm Optical system
GB0504579D0 (en) * 2005-03-04 2005-04-13 British Telecomm Communications system
US7697795B2 (en) * 2005-03-04 2010-04-13 British Telecommunications Public Limited Company Acoustic modulation
EP1708388A1 (en) 2005-03-31 2006-10-04 British Telecommunications Public Limited Company Communicating information
US20090054809A1 (en) * 2005-04-08 2009-02-26 Takeharu Morishita Sampling Device for Viscous Sample, Homogenization Method for Sputum and Method of Detecting Microbe
EP1713301A1 (en) * 2005-04-14 2006-10-18 BRITISH TELECOMMUNICATIONS public limited company Method and apparatus for communicating sound over an optical link
EP1729096A1 (en) * 2005-06-02 2006-12-06 BRITISH TELECOMMUNICATIONS public limited company Method and apparatus for determining the position of a disturbance in an optical fibre
EP1826924A1 (en) * 2006-02-24 2007-08-29 BRITISH TELECOMMUNICATIONS public limited company Sensing a disturbance
EP1987317B1 (en) * 2006-02-24 2013-07-17 BRITISH TELECOMMUNICATIONS public limited company Sensing a disturbance
CA2643344A1 (en) * 2006-02-24 2007-08-30 British Telecommunications Public Limited Company Sensing a disturbance
EP2002219B1 (en) * 2006-04-03 2014-12-03 BRITISH TELECOMMUNICATIONS public limited company Evaluating the position of a disturbance
US8330134B2 (en) * 2009-09-14 2012-12-11 Microsoft Corporation Optical fault monitoring
US9069061B1 (en) 2011-07-19 2015-06-30 Ball Aerospace & Technologies Corp. LIDAR with analog memory
US9964464B2 (en) * 2012-04-11 2018-05-08 Ultra Communications, Inc. Optical time domain reflectometer with high resolution and high sensitivity
CN103954369B (zh) * 2014-04-23 2017-08-25 武汉虹拓新技术有限责任公司 一种电控相移方法
EP3029488B1 (de) * 2014-12-04 2019-02-27 Hexagon Technology Center GmbH Distanzmessgerät mit einer Laser-artigen Lichtquelle
CN109357689B (zh) * 2018-11-21 2022-06-07 中国船舶重工集团公司第七0七研究所 一种三轴光纤陀螺仪标度因数正交建模补偿方法
US10928435B2 (en) * 2019-07-15 2021-02-23 The Boeing Company Electrical fault detector and method of use
US11346214B2 (en) 2019-09-13 2022-05-31 Baker Hughes Oilfield Operations Llc Monitoring of downhole components during deployment
CN116592947A (zh) * 2023-06-06 2023-08-15 上海思源弘瑞自动化有限公司 全光纤电流互感器本征频率及光纤长度测量的方法和装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4572949A (en) * 1982-04-14 1986-02-25 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic sensor for detecting very small displacements of a surface
GB2152657A (en) 1984-01-05 1985-08-07 Plessey Co Plc Interferometers
US5218419A (en) 1990-03-19 1993-06-08 Eli Lilly And Company Fiberoptic interferometric sensor
DE4018379A1 (de) 1990-06-08 1991-12-12 Rainer Dr Casdorff Verfahren und anordnung zur ermittlung der tatsaechlichen optischen weglaenge von licht in einem lichtleiter
US5239366A (en) 1992-02-12 1993-08-24 Huges Aircraft Company Compact laser probe for profilometry
EP0556960A3 (en) 1992-02-20 1995-02-01 Optical Metrology Ltd Measurement apparatus using heterodyne phase conversion techniques
GB9324333D0 (en) 1993-11-26 1994-01-12 Sensor Dynamics Ltd Measurement of one or more physical parameters
CA2221261A1 (en) 1995-06-07 1996-12-19 Lee K. Strandjord Proper frequency tracker for fiber optic sensing coil
US5701006A (en) 1995-11-21 1997-12-23 Simula Inc. Method and apparatus for measuring distances using fiber optics
US6327039B1 (en) 1998-02-23 2001-12-04 Zygo Corporation Interferometer and method for measuring the refractive index and optical path length effects of air
US6175410B1 (en) 1998-12-17 2001-01-16 Honeywell Inc. Fiber optic gyroscope having modulated suppression of co-propagating and counter-propagating polarization errors
US6211963B1 (en) 1998-12-29 2001-04-03 Honeywell Inc. Low drift depolarizer for fiber optic gyroscope having legs wound in a winding pattern

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013535675A (ja) * 2010-07-29 2013-09-12 ワイカトリンク リミテッド 対象物の距離特性および／または輝度特性を測定する装置および方法

Also Published As

Publication number Publication date
EP1451556A1 (en) 2004-09-01
US6798523B2 (en) 2004-09-28
WO2003048746A1 (en) 2003-06-12
US20030103211A1 (en) 2003-06-05

Similar Documents

Publication Publication Date Title
JP2005512047A (ja) 光ファイバの欠陥を検出するセンサおよび方法
EP1476721B1 (en) (fiber) optic sensor with proper modulation
US6801319B2 (en) Symmetrical depolarized fiber optic gyroscope
CN101886925B (zh) 基于载波调制的多波长干涉式光纤陀螺
JPH05507560A (ja) 光ファイバ回転センサ
JP2007501413A (ja) 光ファイバジャイロスコープ用の感知ループダブラ
US10989535B1 (en) Calibration circuit to mitigate fiber-optic gyroscope (FOG) bias error
CN104374410A (zh) 一种光子带隙光纤陀螺中光纤环熔接点反射的测量装置及方法
CN108287056A (zh) 光纤敏感环偏振模耦合特性测评系统及测评方法
CN100437050C (zh) 分布式光纤振动传感器
JP3388227B2 (ja) 光分散測定装置およびそれを用いた測定方法
CN218238858U (zh) 一种集成光学陀螺
Strandjord et al. Resonator fiber optic gyro progress including observation of navigation grade angle random walk
JPH05508221A (ja) 変調切換えを伴なう干渉計信号解析
CN104508421B (zh) 光学测量探针和用于内直径和外直径的光学测量的方法
KR20100004318A (ko) 비편광 광섬유 자이로스코프
CN106403923B (zh) 一种基于Sagnac干涉仪的集成光学波导中次波强度的测试方法
JP5235189B2 (ja) 光ファイバ屈折率測定装置及び光ファイバ屈折率測定方法
JP2838592B2 (ja) 光干渉計における光信号通過遅延時間の判定
CN106796125A (zh) 具有微分调制相位检测的干涉测定传感器
CN114018391A (zh) 一种抑制干涉光强衰落的方法及装置
CN116678389A (zh) 基于宽带光源的谐振式光纤陀螺
JP4213877B2 (ja) マッハツェンダ干渉計光センサ
JPS622121A (ja) 光フアイバジヤイロスコ−プ
CN103743392B (zh) 一种单耦合器双偏振光纤陀螺仪

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20051110

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20051110

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080125

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20080424

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20080502

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080702

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20081110