FR2651316B1 - Appareil pour detecter une difference de phase entre des premier et second signaux optiques et procede de detection. - Google Patents

Appareil pour detecter une difference de phase entre des premier et second signaux optiques et procede de detection.

Info

Publication number
FR2651316B1
FR2651316B1 FR9010824A FR9010824A FR2651316B1 FR 2651316 B1 FR2651316 B1 FR 2651316B1 FR 9010824 A FR9010824 A FR 9010824A FR 9010824 A FR9010824 A FR 9010824A FR 2651316 B1 FR2651316 B1 FR 2651316B1
Authority
FR
France
Prior art keywords
detecting
phase difference
detection method
optical signals
signals
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
FR9010824A
Other languages
English (en)
Other versions
FR2651316A1 (fr
Inventor
Byoung Y Kim
Park Hee Gap
Huang Shangyuan
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.)
Leland Stanford Junior University
Original Assignee
Leland Stanford Junior University
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 Leland Stanford Junior University filed Critical Leland Stanford Junior University
Publication of FR2651316A1 publication Critical patent/FR2651316A1/fr
Application granted granted Critical
Publication of FR2651316B1 publication Critical patent/FR2651316B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2581—Multimode transmission
    • 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
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • 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
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • G01J2009/0226—Fibres
    • 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
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods
    • G01J2009/028—Types
    • G01J2009/0288—Machzehnder
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02047—Dual mode fibre
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/2935—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means
    • G02B6/29352—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means in a light guide

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
FR9010824A 1989-08-31 1990-08-30 Appareil pour detecter une difference de phase entre des premier et second signaux optiques et procede de detection. Expired - Fee Related FR2651316B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/401,175 US5200795A (en) 1989-08-31 1989-08-31 Passive quadrature phase detection system for coherent fiber optic systems

Publications (2)

Publication Number Publication Date
FR2651316A1 FR2651316A1 (fr) 1991-03-01
FR2651316B1 true FR2651316B1 (fr) 1994-05-13

Family

ID=23586642

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9010824A Expired - Fee Related FR2651316B1 (fr) 1989-08-31 1990-08-30 Appareil pour detecter une difference de phase entre des premier et second signaux optiques et procede de detection.

Country Status (4)

Country Link
US (1) US5200795A (fr)
CA (1) CA2023469A1 (fr)
FR (1) FR2651316B1 (fr)
GB (1) GB2236030B (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4114253A1 (de) * 1991-05-02 1992-11-05 Asea Brown Boveri Faseroptischer sensor
DE4209701A1 (de) * 1992-03-25 1993-09-30 Asea Brown Boveri Optischer Entfernungssensor
US5387972A (en) * 1993-03-15 1995-02-07 National Research Council Of Canada Coherent phase and frequency detection using sum-frequency mixing in non-linear waveguides
GB9605011D0 (en) * 1996-03-08 1996-05-08 Hewlett Packard Co Multimode communications systems
US6020963A (en) * 1996-06-04 2000-02-01 Northeastern University Optical quadrature Interferometer
US5883717A (en) * 1996-06-04 1999-03-16 Northeastern University Optical quadrature interferometry utilizing polarization to obtain in-phase and quadrature information
US5929990A (en) * 1997-03-19 1999-07-27 Litton Systems, Inc. Fabry-perot pressure sensing system with ratioed quadrature pulse detection
GB9820493D0 (en) 1998-09-22 1998-11-11 Secr Defence Optical phase detector
EP1407252A2 (fr) 2000-11-20 2004-04-14 Koninklijke Philips Electronics N.V. Controle de surfaces
US6628859B2 (en) 2001-03-22 2003-09-30 Triquint Technology Holding Co. Broadband mode converter
US7076122B2 (en) * 2003-07-16 2006-07-11 Korean Advanced Institute Of Science And Technology Patch-type extrinsic Fabry-Perot interferometric fiber optic sensor and real-time structural vibration monitoring method using the same
WO2012093401A1 (fr) * 2011-01-05 2012-07-12 Bar Ilan University Système et procédé d'imagerie utilisant une fibre à plusieurs cœurs
EP3234500A4 (fr) 2014-12-19 2018-07-04 University of Utah Research Foundation Système d'interférométrie et procédés associés
US11162781B2 (en) 2016-06-23 2021-11-02 University Of Utah Research Foundation Interferometry systems and methods
WO2017223542A1 (fr) 2016-06-23 2017-12-28 University Of Utah Research Foundation Système d'interférométrie et procédés associés
DE102018130162A1 (de) * 2018-11-28 2020-05-28 Martin Berz Verfahren, Interferometer und Signalverarbeitungsvorrichtung, jeweils zur Bestimmung einer Eingangsphase und/oder einer Eingangsamplitude eines Eingangslichtfelds
CN113741020B (zh) * 2021-08-25 2024-05-03 华中科技大学苏州脑空间信息研究院 一种天然调制光片照明成像方法及系统
WO2023145570A1 (fr) * 2022-01-28 2023-08-03 ソニーグループ株式会社 Dispositif de détermination, procédé de détermination et programme
WO2023157761A1 (fr) * 2022-02-17 2023-08-24 ソニーグループ株式会社 Dispositif de détermination, procédé de détermination et programme
WO2023218501A1 (fr) * 2022-05-09 2023-11-16 日本電信電話株式会社 Dispositif de mesure, dispositif de compensation de mesure et procédé de mesure

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US453855A (en) * 1891-06-09 Water-heater for stoves
US4283144A (en) * 1979-04-16 1981-08-11 The United States Of America As Represented By The Secretary Of The Navy Method of fiber interferometry zero fringe shift referencing using passive optical couplers
US4352563A (en) * 1980-09-22 1982-10-05 The United States Of America As Represented By The Secretary Of The Navy Method of providing phase biasing in a continuous single-mode fiber ring interferometer
IT1138312B (it) * 1981-05-06 1986-09-17 Cise Spa Interferometro con trasmissione in fibra ottica dell'informazione di fase utile
US4609290A (en) * 1983-06-06 1986-09-02 Mcdonnell Douglas Corporation Passive homodyne demodulator and sensor system
GB8514858D0 (en) * 1985-06-12 1985-07-17 Gen Electric Co Plc Sensor devices
US4828350A (en) * 1986-01-17 1989-05-09 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic mode selector
EP0254231B1 (fr) * 1986-07-21 1991-05-29 Siemens Aktiengesellschaft Récepteur optique hétérodyne, en particulier pour lumière modulée par déplacement de phase
US4718120A (en) * 1986-11-24 1988-01-05 American Telephone And Telegraph Company, At&T Bell Laboratories Polarization insensitive coherent lightwave detector
US4915468A (en) * 1987-02-20 1990-04-10 The Board Of Trustees Of The Leland Stanford Junior University Apparatus using two-mode optical waveguide with non-circular core
GB2207236B (en) * 1987-07-21 1991-04-24 Plessey Co Plc Improvements relating to optical fibre sensing arrangements
GB8807817D0 (en) * 1988-03-31 1988-05-05 See C W Optical measuring apparatus & method
GB2218505B (en) * 1988-05-10 1992-02-19 Gen Electric Co Plc Optical position measurement

Also Published As

Publication number Publication date
GB2236030B (en) 1994-04-20
US5200795A (en) 1993-04-06
CA2023469A1 (fr) 1991-03-01
GB9016829D0 (en) 1990-09-12
FR2651316A1 (fr) 1991-03-01
GB2236030A (en) 1991-03-20

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Legal Events

Date Code Title Description
ST Notification of lapse