NO982586L - Fiberoptisk interferometer som optisk avtapping - Google Patents

Fiberoptisk interferometer som optisk avtapping

Info

Publication number
NO982586L
NO982586L NO982586A NO982586A NO982586L NO 982586 L NO982586 L NO 982586L NO 982586 A NO982586 A NO 982586A NO 982586 A NO982586 A NO 982586A NO 982586 L NO982586 L NO 982586L
Authority
NO
Norway
Prior art keywords
optical
value
signal
changes
interferometer
Prior art date
Application number
NO982586A
Other languages
English (en)
Norwegian (no)
Other versions
NO982586D0 (no
Inventor
David B Hall
Samuel N Fersht
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 NO982586D0 publication Critical patent/NO982586D0/no
Publication of NO982586L publication Critical patent/NO982586L/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0076—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means
    • G01L9/0077—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
NO982586A 1997-06-06 1998-06-05 Fiberoptisk interferometer som optisk avtapping NO982586L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/848,090 US5949740A (en) 1997-06-06 1997-06-06 Unbalanced fiber optic Michelson interferometer as an optical pick-off

Publications (2)

Publication Number Publication Date
NO982586D0 NO982586D0 (no) 1998-06-05
NO982586L true NO982586L (no) 1998-12-07

Family

ID=25302313

Family Applications (1)

Application Number Title Priority Date Filing Date
NO982586A NO982586L (no) 1997-06-06 1998-06-05 Fiberoptisk interferometer som optisk avtapping

Country Status (8)

Country Link
US (4) US5949740A (fr)
EP (1) EP0882961A2 (fr)
JP (1) JPH1123223A (fr)
KR (1) KR19990006703A (fr)
AU (1) AU6995198A (fr)
BR (1) BR9801787A (fr)
CA (1) CA2236201A1 (fr)
NO (1) NO982586L (fr)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5949740A (en) 1997-06-06 1999-09-07 Litton Systems, Inc. Unbalanced fiber optic Michelson interferometer as an optical pick-off
JP2002099470A (ja) * 2000-09-25 2002-04-05 Toshiba Corp 情報処理装置及びネットワークコントローラ設定方法
CA2324572A1 (fr) * 2000-10-26 2002-04-26 Gerry M. Kane Transducteur de vibration numerique
US6473183B1 (en) * 2001-05-03 2002-10-29 Northrop Grumman Corporation Shear damped fiber optic sensor
US6937938B2 (en) * 2002-09-04 2005-08-30 Stanley A. Sansone Method and apparatus for interferometry, spectral analysis, and three-dimensional holographic imaging of hydrocarbon accumulations and buried objects
US7428054B2 (en) * 2002-10-15 2008-09-23 University Of Maryland Micro-optical sensor system for pressure, acceleration, and pressure gradient measurements
DE10312661A1 (de) * 2003-03-21 2004-10-07 Robert Bosch Gmbh Konfokaler faseroptischer Brennraumdrucksensor
US7492463B2 (en) 2004-04-15 2009-02-17 Davidson Instruments Inc. Method and apparatus for continuous readout of Fabry-Perot fiber optic sensor
EP1681540A1 (fr) * 2004-12-21 2006-07-19 Davidson Instruments, Inc. Processeur de réseau à canaux multiples
EP1674833A3 (fr) * 2004-12-21 2007-05-30 Davidson Instruments, Inc. Système de détection à fibres optiques
EP1869737B1 (fr) * 2005-03-16 2021-05-12 Davidson Instruments, Inc. Capteur fabry-perot haute intensite
US7327462B2 (en) * 2005-08-17 2008-02-05 Litton Systems, Inc. Method and apparatus for direct detection of signals from a differential delay heterodyne interferometric system
WO2007033069A2 (fr) * 2005-09-13 2007-03-22 Davidson Instruments Inc. Algorithme de poursuite pour processeur de signal a reseau lineaire a schemas de correlation croisee de fabry-perot et son procede d'utilisation
US7684051B2 (en) * 2006-04-18 2010-03-23 Halliburton Energy Services, Inc. Fiber optic seismic sensor based on MEMS cantilever
EP2021747B1 (fr) * 2006-04-26 2018-08-01 Halliburton Energy Services, Inc. Capteurs sismiques micro-électromécanique à fibres optiques à masse supportée par des bras articulés
US8115937B2 (en) * 2006-08-16 2012-02-14 Davidson Instruments Methods and apparatus for measuring multiple Fabry-Perot gaps
CA2676246C (fr) * 2007-01-24 2013-03-19 Halliburton Energy Services, Inc. Transducteur de mesure de parametres environnementaux
US20080289429A1 (en) * 2007-05-22 2008-11-27 Zhou Tiansheng Fiber optic mems seismic sensor with mass supported by hinged beams
US20090016683A1 (en) * 2007-07-10 2009-01-15 Applied Optoelectronics, Inc. Angled fiber ferrule having off-axis fiber through-hole and method of coupling an optical fiber at an off-axis angle
US7808618B1 (en) 2008-01-09 2010-10-05 The Charles Stark Draper Laboratory, Inc. Methods and apparatus for providing a semiconductor optical flexured mass accelerometer
US7697798B2 (en) * 2008-02-11 2010-04-13 The United States Of America As Represented By The Secretary Of The Navy Fiber optic pressure sensors and catheters
WO2010139050A1 (fr) 2009-06-01 2010-12-09 Tiansheng Zhou Micromiroir mems et matrice de micromiroirs
US8537365B1 (en) 2010-09-02 2013-09-17 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Mass gauging demonstrator for any gravitational conditions
US10551613B2 (en) 2010-10-20 2020-02-04 Tiansheng ZHOU Micro-electro-mechanical systems micromirrors and micromirror arrays
US9036231B2 (en) 2010-10-20 2015-05-19 Tiansheng ZHOU Micro-electro-mechanical systems micromirrors and micromirror arrays
US9385634B2 (en) 2012-01-26 2016-07-05 Tiansheng ZHOU Rotational type of MEMS electrostatic actuator
ITMI20130138A1 (it) * 2013-01-31 2014-08-01 Laser Point S R L Sensore ottico per misure di pressione senza contatto.
US9430680B2 (en) * 2013-03-14 2016-08-30 Seagate Technology Llc Tamper sensor
RU2538929C2 (ru) * 2013-04-16 2015-01-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Пермский государственный национальный исследовательский университет" Акселерометр поляризационно-оптический
US8770024B1 (en) * 2013-07-05 2014-07-08 Vibrosound Ltd. Fiber optic accelerometer
US20180038890A1 (en) * 2016-08-08 2018-02-08 Khalifa University of Science and Technology Optically enabled mems inertial sensors on integrated photonic platforms
IL253799B (en) 2017-08-02 2018-06-28 Igal Igor Zlochin Retroreflective interferometer
CN107764197B (zh) * 2017-10-16 2019-08-13 长春理工大学 一种光学系统轴向参数测量装置及方法
CN108663157B (zh) * 2018-08-01 2024-05-28 桂林电子科技大学 Michelson白光干涉光纤液压传感器及测量系统
CN110207806B (zh) * 2019-07-10 2021-10-26 国网上海市电力公司 一种斜角端面光纤振动传感器及其测量振动的方法
CN110207807A (zh) * 2019-07-10 2019-09-06 国网上海市电力公司 一种光纤振动传感器及其测量振动的方法
CN110617872B (zh) * 2019-09-20 2021-10-08 中国人民解放军国防科技大学 一种基于补偿干涉的光纤水听器远程传输阵列系统及方法
CN111854923B (zh) * 2020-07-31 2022-05-24 重庆邮电大学 声波测量系统、悬臂梁式光纤声波传感器解调系统及方法
CN112945385A (zh) * 2021-01-26 2021-06-11 同济大学 一种多反射干涉自动测量系统

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4446543A (en) * 1979-07-02 1984-05-01 The United States Of America As Represented By The Secretary Of The Navy Optical resonator single-mode fiber hydrophone
DE3142164A1 (de) * 1980-10-27 1982-06-16 Rosemount Engineering Co. Ltd., Bognor Regis, Sussex Vorrichtung zur messung von druckunterschieden
US4432599A (en) * 1981-03-27 1984-02-21 Sperry Corporation Fiber optic differential sensor
GB8408383D0 (en) * 1984-03-31 1984-05-10 Jackson D A Optical pressure-sensing apparatus
GB8506589D0 (en) * 1985-03-14 1985-04-17 Ici Plc Pressure sensor
JPS6365160A (ja) * 1986-09-08 1988-03-23 Aisin Seiki Co Ltd スタ−リング機関のピストン駆動機構
JPH01123937A (ja) * 1987-11-06 1989-05-16 Matsushita Electric Works Ltd 小室ユニット換気装置
US4799797A (en) * 1987-11-17 1989-01-24 The Boeing Company Coherence multiplexing of optical sensors
JPH083461B2 (ja) * 1988-03-17 1996-01-17 株式会社豊田中央研究所 薄膜の内部応力・ヤング率測定装置
GB8903725D0 (en) * 1989-02-18 1989-04-05 Cambridge Consultants Coherent tracking sensor
US5087124A (en) * 1989-05-09 1992-02-11 Smith Rosemary L Interferometric pressure sensor capable of high temperature operation and method of fabrication
JP2647960B2 (ja) * 1989-05-17 1997-08-27 日本電子株式会社 移動鏡の速度制御装置
FR2670577B1 (fr) * 1990-12-18 1993-02-12 Sextant Avionique Dispositif d'analyse de capteurs interferometriques de micro-deplacements.
JPH04211430A (ja) * 1991-02-25 1992-08-03 Mitsubishi Rayon Co Ltd ゴム変性熱可塑性樹脂の製造方法
US5218420A (en) * 1991-04-11 1993-06-08 The Boeing Company Optical resonance accelerometer
JP2521872B2 (ja) * 1991-12-16 1996-08-07 チィングホォア ユニバーシティ 周波数変調光ファイバ変位測定装置
US5206924A (en) * 1992-01-31 1993-04-27 The United States Of America As Represented By The Secretary Of The Navy Fiber optic Michelson sensor and arrays with passive elimination of polarization fading and source feedback isolation
JPH0651787A (ja) * 1992-07-31 1994-02-25 Hitachi Ltd 能動型消音装置
DE4410134C2 (de) 1993-03-27 1996-07-18 Deutsche Forsch Luft Raumfahrt Interferometrisches Dehnungsmeßgerät für ein Meßobjekt
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
US5503285A (en) * 1993-07-26 1996-04-02 Litton Systems, Inc. Method for forming an electrostatically force balanced silicon accelerometer
JPH07181765A (ja) * 1993-12-22 1995-07-21 Minolta Co Ltd 画像形成装置
JP3253439B2 (ja) * 1993-12-24 2002-02-04 シャープ株式会社 液晶表示素子の製造方法
JPH07260617A (ja) * 1994-03-23 1995-10-13 Riken Corp 圧力センサ及びそれを使用する圧力測定システム
JPH0829128A (ja) * 1994-07-12 1996-02-02 Hitachi Ltd 物理量測定装置及びその測定器
US5529671A (en) * 1994-07-27 1996-06-25 Litton Systems, Inc. Apparatus and method for ion beam polishing and for in-situ ellipsometric deposition of ion beam films
US5892862A (en) * 1994-11-16 1999-04-06 Kidder; John S. Flexible mirror optical switch
JP3304696B2 (ja) * 1995-04-17 2002-07-22 株式会社先進材料利用ガスジェネレータ研究所 光学式センサ
US5680489A (en) * 1996-06-28 1997-10-21 The United States Of America As Represented By The Secretary Of The Navy Optical sensor system utilizing bragg grating sensors
US5949740A (en) * 1997-06-06 1999-09-07 Litton Systems, Inc. Unbalanced fiber optic Michelson interferometer as an optical pick-off
RU2152601C1 (ru) * 1998-06-16 2000-07-10 Научный центр волоконной оптики при Институте общей физики РАН Волоконно-оптический датчик давления (его варианты) и способ его изготовления

Also Published As

Publication number Publication date
US5949740A (en) 1999-09-07
EP0882961A2 (fr) 1998-12-09
BR9801787A (pt) 1999-06-15
CA2236201A1 (fr) 1998-12-06
US6064630A (en) 2000-05-16
US6618523B2 (en) 2003-09-09
JPH1123223A (ja) 1999-01-29
US6317213B1 (en) 2001-11-13
NO982586D0 (no) 1998-06-05
AU6995198A (en) 1998-12-10
US20020067885A1 (en) 2002-06-06
KR19990006703A (ko) 1999-01-25

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