DE69916677D1 - Verfahren und Anordnung zur Abfrage von faseroptischen interferometrischen Fühlern in Vielkanalanwendungen - Google Patents

Verfahren und Anordnung zur Abfrage von faseroptischen interferometrischen Fühlern in Vielkanalanwendungen

Info

Publication number
DE69916677D1
DE69916677D1 DE69916677T DE69916677T DE69916677D1 DE 69916677 D1 DE69916677 D1 DE 69916677D1 DE 69916677 T DE69916677 T DE 69916677T DE 69916677 T DE69916677 T DE 69916677T DE 69916677 D1 DE69916677 D1 DE 69916677D1
Authority
DE
Germany
Prior art keywords
querying
fiber
arrangement
optic interferometric
channel applications
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.)
Expired - Fee Related
Application number
DE69916677T
Other languages
English (en)
Other versions
DE69916677T2 (de
Inventor
James D Green
Eugene L Ferraro
Lawrence J Hershman
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.)
Northrop Grumman Guidance and Electronics Co Inc
Original Assignee
Litton Systems 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 Litton Systems Inc filed Critical Litton Systems Inc
Publication of DE69916677D1 publication Critical patent/DE69916677D1/de
Application granted granted Critical
Publication of DE69916677T2 publication Critical patent/DE69916677T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE69916677T 1998-02-10 1999-02-10 Verfahren und Anordnung zur Abfrage von faseroptischen interferometrischen Fühlern in Vielkanalanwendungen Expired - Fee Related DE69916677T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21014 1998-02-10
US09/021,014 US5959294A (en) 1998-02-10 1998-02-10 Method and apparatus for interrogation of fiber optic interferometric sensors in multi-channel applications

Publications (2)

Publication Number Publication Date
DE69916677D1 true DE69916677D1 (de) 2004-06-03
DE69916677T2 DE69916677T2 (de) 2004-09-23

Family

ID=21801845

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69916677T Expired - Fee Related DE69916677T2 (de) 1998-02-10 1999-02-10 Verfahren und Anordnung zur Abfrage von faseroptischen interferometrischen Fühlern in Vielkanalanwendungen

Country Status (9)

Country Link
US (1) US5959294A (de)
EP (1) EP0936453B1 (de)
JP (1) JP4091196B2 (de)
KR (1) KR19990072550A (de)
AU (1) AU746168B2 (de)
CA (1) CA2259548A1 (de)
DE (1) DE69916677T2 (de)
IL (1) IL128453A (de)
NO (1) NO990612L (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6134281A (en) * 1998-02-10 2000-10-17 Litton Systems, Inc. Method and apparatus for calibration of a signal processing system utilizing digital down converters
CA2320394A1 (en) * 1999-10-29 2001-04-29 Litton Systems, Inc. Acoustic sensing system for downhole seismic applications utilizing an array of fiber optic sensors
CA2320453A1 (en) * 1999-10-29 2001-04-29 Litton Systems, Inc. Acoustic sensing system for downhole seismic applications utilizing an array of fiber optic sensors
US6346985B1 (en) * 1999-10-29 2002-02-12 Litton Systems, Inc. Optical method for the transduction of remote arrays of electromechanical sensors
US6314811B1 (en) * 2000-01-24 2001-11-13 Litton Systems Inc. Acoustic sensor module design and fabrication process
JP2004515772A (ja) * 2000-07-24 2004-05-27 リツトン システムス，インコーポレーテツド 位相発生キャリアの復調と象限エラーの修正付多重チャンネル干渉計
US6822744B1 (en) * 2001-05-25 2004-11-23 The Board Of Governors For Higher Education, State Of Rhode Island And Providence Plantations Modular interferometric imaging method apparatus and system
US7346313B2 (en) 2002-03-04 2008-03-18 Cafarella John H Calibration of I-Q balance in transceivers
US6778720B1 (en) 2002-04-02 2004-08-17 Optiphase, Inc. Dual slope fiber optic array interrogator
US7640019B2 (en) 2005-03-31 2009-12-29 Adc Telecommunications, Inc. Dynamic reallocation of bandwidth and modulation protocols
US7424307B2 (en) 2005-03-31 2008-09-09 Adc Telecommunications, Inc. Loss of page synchronization
US7474891B2 (en) 2005-03-31 2009-01-06 Adc Telecommunications, Inc. Dynamic digital up and down converters
US7423988B2 (en) 2005-03-31 2008-09-09 Adc Telecommunications, Inc. Dynamic reconfiguration of resources through page headers
CA2664010C (en) * 2006-06-30 2015-09-15 China National Petroleum Corporation An optical fiber control system for safety early-warning
EP2131159B1 (de) * 2008-06-04 2016-04-13 Sercel Interferometrische, faseroptische Sensoranordnung mit verbesserter Multiplexing-Dichte
CN104833721B (zh) * 2015-05-05 2017-07-25 钢研纳克检测技术有限公司 用于超声波探伤仪的闸门内回波增益独立控制方法
KR102540273B1 (ko) * 2020-11-20 2023-06-07 건국대학교 글로컬산학협력단 반도체 이광자 흡수 현상을 이용한 레이저 펄스폭 측정 장치
CN114866184B (zh) * 2022-03-07 2024-01-16 笔特科技(深圳)有限公司 通信与传感信号一体融合方法、分解方法及相关装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4649529A (en) * 1985-12-02 1987-03-10 Exxon Production Research Co. Multi-channel fiber optic sensor system
US4752132A (en) * 1986-10-24 1988-06-21 Litton Systems, Inc. Low power control interferometric sensor with wide dynamic range
US5555086A (en) * 1991-05-31 1996-09-10 Litton Systems, Inc. Coherence multiplexed interferometric signal processing system and method
US5493581A (en) * 1992-08-14 1996-02-20 Harris Corporation Digital down converter and method
US5448058A (en) * 1993-04-27 1995-09-05 Litton Systems, Inc. Optical signal detection apparatus and method for preventing polarization signal fading in optical fiber interferometric sensor systems
GB9605144D0 (en) * 1996-03-11 1996-05-08 Sensor Dynamics Ltd Apparatus for sensing one or more parameters

Also Published As

Publication number Publication date
NO990612L (no) 1999-08-11
KR19990072550A (ko) 1999-09-27
CA2259548A1 (en) 1999-08-10
EP0936453A3 (de) 2000-07-26
JP2000028429A (ja) 2000-01-28
AU746168B2 (en) 2002-04-18
DE69916677T2 (de) 2004-09-23
JP4091196B2 (ja) 2008-05-28
US5959294A (en) 1999-09-28
IL128453A0 (en) 2000-01-31
AU1636699A (en) 1999-08-26
NO990612D0 (no) 1999-02-09
EP0936453B1 (de) 2004-04-28
EP0936453A2 (de) 1999-08-18
IL128453A (en) 2002-03-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee