NO864639D0 - Flerkanals fiberoptisk avfoelersystem. - Google Patents

Flerkanals fiberoptisk avfoelersystem.

Info

Publication number
NO864639D0
NO864639D0 NO864639A NO864639A NO864639D0 NO 864639 D0 NO864639 D0 NO 864639D0 NO 864639 A NO864639 A NO 864639A NO 864639 A NO864639 A NO 864639A NO 864639 D0 NO864639 D0 NO 864639D0
Authority
NO
Norway
Prior art keywords
fiber optic
sensor system
optic sensor
multichannel fiber
multichannel
Prior art date
Application number
NO864639A
Other languages
English (en)
Other versions
NO864639L (no
Inventor
Kenneth Avicola
Original Assignee
Exxon Production Research Co
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 Exxon Production Research Co filed Critical Exxon Production Research Co
Publication of NO864639D0 publication Critical patent/NO864639D0/no
Publication of NO864639L publication Critical patent/NO864639L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/61—Coherent receivers
    • H04B10/63—Homodyne, i.e. coherent receivers where the local oscillator is locked in frequency and phase to the carrier signal
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/22—Transmitting seismic signals to recording or processing apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/61—Coherent receivers
    • H04B10/64—Heterodyne, i.e. coherent receivers where, after the opto-electronic conversion, an electrical signal at an intermediate frequency [IF] is obtained

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Geophysics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Optical Transform (AREA)
  • Geophysics And Detection Of Objects (AREA)
NO864639A 1985-12-02 1986-11-20 Flerkanals fiberoptisk avfoelersystem. NO864639L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/803,456 US4649529A (en) 1985-12-02 1985-12-02 Multi-channel fiber optic sensor system

Publications (2)

Publication Number Publication Date
NO864639D0 true NO864639D0 (no) 1986-11-20
NO864639L NO864639L (no) 1987-06-03

Family

ID=25186545

Family Applications (1)

Application Number Title Priority Date Filing Date
NO864639A NO864639L (no) 1985-12-02 1986-11-20 Flerkanals fiberoptisk avfoelersystem.

Country Status (7)

Country Link
US (1) US4649529A (no)
JP (1) JPS62184313A (no)
AU (1) AU6586886A (no)
FR (1) FR2590752A1 (no)
GB (1) GB2184231A (no)
NL (1) NL8602963A (no)
NO (1) NO864639L (no)

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GB2274753B (en) * 1993-01-29 1997-06-25 Marconi Gec Ltd Optical signal transmission network
US5351318A (en) * 1993-04-05 1994-09-27 The Board Of Trustees Of The Leland Stanford Jr./University Fiber optic communication system and fiber optic modulator
WO1995003563A1 (en) * 1993-07-26 1995-02-02 Monash University Acousto-optical devices for producing tuneable diffraction gratings
FR2730868B1 (fr) * 1995-02-21 1997-04-25 Commissariat Energie Atomique Capteur a reseau de bragg photoinscrit a bon rapport signal sur bruit
US5751747A (en) * 1995-12-20 1998-05-12 California Institute Of Technology Linear swept frequency generator
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
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US5767411A (en) * 1996-12-31 1998-06-16 Cidra Corporation Apparatus for enhancing strain in intrinsic fiber optic sensors and packaging same for harsh environments
US6072567A (en) * 1997-02-12 2000-06-06 Cidra Corporation Vertical seismic profiling system having vertical seismic profiling optical signal processing equipment and fiber Bragg grafting optical sensors
US6002646A (en) * 1997-06-27 1999-12-14 The United States Of America As Represented By The Secretary Of The Navy Portable optical range tracking array
US6016702A (en) * 1997-09-08 2000-01-25 Cidra Corporation High sensitivity fiber optic pressure sensor for use in harsh environments
US5877999A (en) * 1997-12-15 1999-03-02 Lucent Technologies Inc. Method and apparatus of interrogating a distributed undersea optical surveillance system
US5959294A (en) * 1998-02-10 1999-09-28 Litton Systems, Inc. Method and apparatus for interrogation of fiber optic interferometric sensors in multi-channel applications
US6215927B1 (en) * 1998-05-26 2001-04-10 Minnesota Mining & Maufacturing Company Sensing tapes for strain and/or temperature sensing
US6522797B1 (en) * 1998-09-01 2003-02-18 Input/Output, Inc. Seismic optical acoustic recursive sensor system
US6278823B1 (en) * 1999-03-09 2001-08-21 Litton Systems, Inc. Sensor array cable and fabrication method
US6188507B1 (en) 1999-03-17 2001-02-13 Mission Research Corporation Variable acousto-optic spectrum projector and method of operation
US6256588B1 (en) * 1999-06-11 2001-07-03 Geosensor Corporation Seismic sensor array with electrical to optical transformers
US6601671B1 (en) 2000-07-10 2003-08-05 Weatherford/Lamb, Inc. Method and apparatus for seismically surveying an earth formation in relation to a borehole
AU2001283043A1 (en) 2000-08-01 2002-02-13 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Optical sensing device containing fiber bragg gratings
US20020060825A1 (en) * 2000-11-22 2002-05-23 Weigold Adam Mark Passive optical transceivers
US20040166593A1 (en) * 2001-06-22 2004-08-26 Nolte David D. Adaptive interferometric multi-analyte high-speed biosensor
US6957574B2 (en) * 2003-05-19 2005-10-25 Weatherford/Lamb, Inc. Well integrity monitoring system
US6840114B2 (en) * 2003-05-19 2005-01-11 Weatherford/Lamb, Inc. Housing on the exterior of a well casing for optical fiber sensors
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
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JP4782798B2 (ja) 2004-12-17 2011-09-28 ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー ネットワークの評価
US7910356B2 (en) * 2005-02-01 2011-03-22 Purdue Research Foundation Multiplexed biological analyzer planar array apparatus and methods
ATE434774T1 (de) * 2005-03-04 2009-07-15 British Telecomm Akustooptische modulatoranordnung
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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
CA2642518A1 (en) * 2006-02-16 2007-08-30 Purdue Research Foundation In-line quadrature and anti-reflection enhanced phase quadrature interferometric detection
EP1826924A1 (en) * 2006-02-24 2007-08-29 BRITISH TELECOMMUNICATIONS public limited company Sensing a disturbance
CA2643344A1 (en) * 2006-02-24 2007-08-30 British Telecommunications Public Limited Company Sensing a disturbance
EP1987317B1 (en) * 2006-02-24 2013-07-17 BRITISH TELECOMMUNICATIONS public limited company Sensing a disturbance
WO2007113527A1 (en) * 2006-04-03 2007-10-11 British Telecommunications Public Limited Company Evaluating the position of a disturbance
US7881159B2 (en) * 2006-12-18 2011-02-01 Pgs Geophysical As Seismic streamers which attentuate longitudinally traveling waves
GB0705240D0 (en) * 2007-03-14 2007-04-25 Qinetiq Ltd Phase based sensing
US7787126B2 (en) 2007-03-26 2010-08-31 Purdue Research Foundation Method and apparatus for conjugate quadrature interferometric detection of an immunoassay
US8005161B2 (en) * 2008-05-01 2011-08-23 International Business Machines Corporation Method, hardware product, and computer program product for performing high data rate wireless transmission
US10080499B2 (en) * 2008-07-30 2018-09-25 Medtronic, Inc. Implantable medical system including multiple sensing modules
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GB201802708D0 (en) * 2018-02-20 2018-04-04 Univ Southampton Optical fibre sensing

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FR2460582A1 (fr) * 1979-06-29 1981-01-23 Thomson Csf Hydrophone a fibre optique monomode fonctionnant par effet elasto-optique
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FR2504263B1 (fr) * 1981-04-21 1985-12-13 Chevron Res Procede et dispositif de modulation de la phase d'un rayonnement electromagnetique dans une fibre optique
US4486657A (en) * 1982-05-27 1984-12-04 The United States Of America As Represented By The Secretary Of The Navy Phase-lock fiber optic interferometer
US4545253A (en) * 1983-08-29 1985-10-08 Exxon Production Research Co. Fiber optical modulator and data multiplexer

Also Published As

Publication number Publication date
JPS62184313A (ja) 1987-08-12
AU6586886A (en) 1987-06-04
US4649529A (en) 1987-03-10
NO864639L (no) 1987-06-03
GB8627638D0 (en) 1986-12-17
FR2590752A1 (fr) 1987-05-29
GB2184231A (en) 1987-06-17
NL8602963A (nl) 1987-07-01

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