BR8305327A - Sensor fibro-otico e processo para sentir ondas acusticas utilizando uma fibra otica - Google Patents

Sensor fibro-otico e processo para sentir ondas acusticas utilizando uma fibra otica

Info

Publication number
BR8305327A
BR8305327A BR8305327A BR8305327A BR8305327A BR 8305327 A BR8305327 A BR 8305327A BR 8305327 A BR8305327 A BR 8305327A BR 8305327 A BR8305327 A BR 8305327A BR 8305327 A BR8305327 A BR 8305327A
Authority
BR
Brazil
Prior art keywords
loop
sub
fiber
output signal
acoustic waves
Prior art date
Application number
BR8305327A
Other languages
English (en)
Inventor
Herbert John Shaw
Marvin Chodorow
Loren F Stokes
Original Assignee
Univ Leland Stanford Junior
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 Univ Leland Stanford Junior filed Critical Univ Leland Stanford Junior
Publication of BR8305327A publication Critical patent/BR8305327A/pt

Links

Classifications

    • 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
    • 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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/06—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the phase of light
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0128—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on electro-mechanical, magneto-mechanical, elasto-optic effects
    • G02F1/0131—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on electro-mechanical, magneto-mechanical, elasto-optic effects based on photo-elastic effects, e.g. mechanically induced birefringence
    • G02F1/0134—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on electro-mechanical, magneto-mechanical, elasto-optic effects based on photo-elastic effects, e.g. mechanically induced birefringence in optical waveguides

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measuring Fluid Pressure (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Gyroscopes (AREA)
  • Lasers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
BR8305327A 1982-09-29 1983-09-28 Sensor fibro-otico e processo para sentir ondas acusticas utilizando uma fibra otica BR8305327A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/426,887 US4530603A (en) 1982-09-29 1982-09-29 Stabilized fiber optic sensor

Publications (1)

Publication Number Publication Date
BR8305327A true BR8305327A (pt) 1984-05-08

Family

ID=23692618

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8305327A BR8305327A (pt) 1982-09-29 1983-09-28 Sensor fibro-otico e processo para sentir ondas acusticas utilizando uma fibra otica

Country Status (11)

Country Link
US (1) US4530603A (pt)
EP (1) EP0104943B1 (pt)
JP (1) JPS59135329A (pt)
KR (1) KR910005546B1 (pt)
AT (1) ATE46038T1 (pt)
AU (1) AU558180B2 (pt)
BR (1) BR8305327A (pt)
CA (1) CA1217961A (pt)
DE (1) DE3380498D1 (pt)
IL (1) IL69725A (pt)
NO (1) NO833512L (pt)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4659923A (en) * 1981-03-09 1987-04-21 Polaroid Corporation Fiber optic interferometer transducer
US4758087A (en) * 1981-03-09 1988-07-19 Polaroid Corporation Fiber optic transducer
US4723827A (en) * 1982-11-12 1988-02-09 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic switch and discretely variable delay line
GB8417367D0 (en) * 1984-07-06 1984-08-08 Jones J D C Monomode vortex shedding flowmeter
US4738503A (en) * 1985-02-08 1988-04-19 The Board Of Trustees Of The Leland Stanford Junion University In-line fiber optic memory
US4794598A (en) * 1986-07-18 1988-12-27 The Board Of Trustees Of The Leland Stanford Junior University Synchronously pumped ring fiber Raman laser
JPS61186861A (ja) * 1985-02-14 1986-08-20 Matsushita Electric Ind Co Ltd 光フアイバ応用センサ装置
GB8511688D0 (en) * 1985-05-09 1985-06-19 British Telecomm Frequency locking electromagnetic signals
DE3673630D1 (de) * 1985-07-24 1990-09-27 British Telecomm Dielektrische lichtwellenleitervorrichtung.
US4775216A (en) * 1987-02-02 1988-10-04 Litton Systems, Inc. Fiber optic sensor array and method
US4784453A (en) * 1987-02-02 1988-11-15 Litton Systems, Inc. Backward-flow ladder architecture and method
US4778239A (en) * 1987-02-02 1988-10-18 Litton Systems, Inc. Feed-backward lattice architecture and method
US4859018A (en) * 1987-06-15 1989-08-22 Northern Telecom Limited Optical fiber bandwidth limiting
US4799752A (en) * 1987-09-21 1989-01-24 Litton Systems, Inc. Fiber optic gradient hydrophone and method of using same
US4989979A (en) * 1989-01-17 1991-02-05 Board Of Regents, The University Of Texas System Optical fiber sensors with full common-mode compensation and measurand sensitivity enhancement
US4897543A (en) * 1989-01-25 1990-01-30 The United States Of America As Represented By The Secretary Of The Navy Apparatus and method for minimizing polarization-induced signal fading in an interferometric fiber-optic sensor using input-polarization control
US5039221A (en) * 1989-07-03 1991-08-13 Litton Systems, Inc. Interferometer calibration for fiber optic sensor arrays
US5398111A (en) * 1989-12-15 1995-03-14 The Charles Stark Draper Laboratory, Inc. Optically-locked fiber-optic resonant gyro
US5047626A (en) * 1990-01-03 1991-09-10 The United States Of America As Represented By The Secretary Of The Navy Optical fiber sensor for measuring physical properties of liquids
US5115127A (en) * 1990-01-03 1992-05-19 The United States Of America As Represented By The Secretary Of The Navy Optical fiber sensor for measuring physical properties of fluids
US4968110A (en) * 1990-01-31 1990-11-06 The United States Of America As Represented By The Secretary Of The Navy Apparatus and method for optimizing the modulation efficiency of a remotely-located, polarization-sensitive, integrated optic modulator which is addressed with a non-polarization-preserving fiber
US5547274A (en) * 1990-03-14 1996-08-20 Orchard Communications Inc. Modulated light source with a linear transfer function
US5001337A (en) * 1990-04-10 1991-03-19 The United States Of America As Represented By The United States Department Of Energy Fiber optic geophysical sensors
US5258821A (en) * 1990-04-20 1993-11-02 Photon, Inc. Laser beam profiler having a multimode laser diode interferometer
US5155548A (en) * 1990-05-22 1992-10-13 Litton Systems, Inc. Passive fiber optic sensor with omnidirectional acoustic sensor and accelerometer
US5475216A (en) * 1990-05-22 1995-12-12 Danver; Bruce A. Fiber optic sensor having mandrel wound reference and sensing arms
WO1993003400A1 (fr) * 1991-08-02 1993-02-18 The Furukawa Electric Co., Ltd. Procede de sondage d'une ligne de transmission optique
US5280341A (en) * 1992-02-27 1994-01-18 International Business Machines Corporation Feedback controlled differential fiber interferometer
US5493623A (en) * 1994-06-28 1996-02-20 Honeywell Inc. PZT fiber optic modulator having a robust mounting and method of making same
DE4425809A1 (de) * 1994-07-21 1996-01-25 Sel Alcatel Ag Modengekoppelter Faserringlaser
DE10035833A1 (de) * 2000-07-21 2002-02-07 Med Laserzentrum Luebeck Gmbh Vorrichtung zur Veränderung der Länge der Laufstrecke einer elektromagnetischen Welle
US6842548B2 (en) * 2001-05-29 2005-01-11 Queen's University At Kingston Optical loop ring-down
US7667851B2 (en) 2001-07-24 2010-02-23 Lockheed Martin Corporation Method and apparatus for using a two-wave mixing ultrasonic detection in rapid scanning applications
US7046362B2 (en) * 2001-12-12 2006-05-16 Trustees Of Princeton University Fiber-optic based cavity ring-down spectroscopy apparatus
US7318909B2 (en) * 2001-12-12 2008-01-15 Trustees Of Princeton University Method and apparatus for enhanced evanescent field exposure in an optical fiber resonator for spectroscopic detection and measurement of trace species
US7352468B2 (en) * 2001-12-12 2008-04-01 Trustees Of Princeton University Cavity ring-down detection of surface plasmon resonance in an optical fiber resonator
CN100422776C (zh) * 2005-06-17 2008-10-01 陈南光 激光微加工处理全光纤型元件的制作方法
JP5083287B2 (ja) * 2009-09-11 2012-11-28 セイコーエプソン株式会社 検出装置、物理量測定装置及び電子機器
WO2014116828A2 (en) * 2013-01-25 2014-07-31 The Trustees Of Columbia University In The City Of New York Applications of wavelength-locking using dithering signals for microring resonators
US9176280B2 (en) * 2013-10-21 2015-11-03 Oracle International Corporation Optical reflector based on a directional coupler and a coupled optical loop
US9703045B2 (en) 2014-10-22 2017-07-11 Massachusetts Institute Of Technology Systems and methods for laser frequency stabilization using an arbitrarily birefringent resonator
US20160306256A1 (en) * 2015-04-15 2016-10-20 Chen-Kuo Sun Method for configuring an optical modulator
US20180081253A9 (en) * 2015-04-15 2018-03-22 Chen-Kuo Sun Optical modulator
US10323925B2 (en) 2015-10-23 2019-06-18 University Of Washington Compact portable double differential fiber optic Sagnac interferometer
US20190049666A1 (en) * 2017-08-12 2019-02-14 Luxtera, Inc. Method And Systems For All Optical Tunable Equalizers
CN112763052B (zh) * 2020-12-16 2022-04-08 华中科技大学 一种反电子监测的宽带声波传感器
CN114414033B (zh) * 2022-01-15 2024-06-21 中北大学 一种基于CaF2晶体谐振腔的高灵敏度声传感器及测量方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1482936A (en) * 1974-10-29 1977-08-17 Standard Telephones Cables Ltd Semiconductor lasers
JPS579041B2 (pt) * 1974-11-29 1982-02-19
DE2804119A1 (de) * 1978-01-31 1979-08-02 Siemens Ag Interferometer mit einer spule aus einem einmode-wellenleiter
US4342499A (en) * 1979-03-19 1982-08-03 Hicks Jr John W Communications tuning construction
US4354760B1 (en) * 1979-03-21 1996-10-01 Litef Gmbh Ring interferometer comprising a single-mode light waveguide
FR2474694B1 (pt) * 1980-01-29 1983-09-02 Thomson Csf
FR2500937B1 (pt) * 1981-02-27 1983-04-15 Thomson Csf
US4473270A (en) * 1981-10-23 1984-09-25 Leland Stanford Junior University Splice-free fiber optic recirculating memory
US4469397A (en) * 1982-09-29 1984-09-04 Board Of Trustees Of The Leland Stanford Junior University Fiber optic resonator

Also Published As

Publication number Publication date
IL69725A (en) 1987-03-31
EP0104943A2 (en) 1984-04-04
US4530603A (en) 1985-07-23
KR910005546B1 (ko) 1991-07-31
KR840006413A (ko) 1984-11-09
JPS59135329A (ja) 1984-08-03
AU558180B2 (en) 1987-01-22
NO833512L (no) 1984-03-30
JPH0312695B2 (pt) 1991-02-20
CA1217961A (en) 1987-02-17
AU1914883A (en) 1984-04-05
DE3380498D1 (en) 1989-10-05
EP0104943B1 (en) 1989-08-30
ATE46038T1 (de) 1989-09-15
EP0104943A3 (en) 1986-02-12
IL69725A0 (en) 1983-12-30

Similar Documents

Publication Publication Date Title
BR8305327A (pt) Sensor fibro-otico e processo para sentir ondas acusticas utilizando uma fibra otica
EA200000751A1 (ru) Способ и система с использованием волоконно-оптических датчиков
ATE38567T1 (de) Faseroptischer polarisator mit falschsignalrueckkopplung.
NO178708C (no) Bölgeleder-sensor
WO1992011554A3 (en) Intensity dividing device
DE3776157D1 (de) Optisches modulations- und mess-verfahren.
ATE19449T1 (de) Optische uebertragung.
EP0279602A3 (en) Polarization maintaining fiber interferometer and method for source stabilization
DE3875521D1 (de) Ueberwachungssystem.
EP0928079A4 (en) OPTICAL TRANSMITTER
HK1064742A1 (en) Method for producing light of a given polarisationstate
CA2149156A1 (en) Semiconductor Laser Having Integrated Waveguiding Lens
CA2051875A1 (en) Fiber optic gyro with reduced zero-point output drift
SE8403045D0 (sv) Vibrationskompensator for ringlasergyrp
ES8706954A1 (es) Un dispositivo para medir una magnitud
JPS5627105A (en) Phase matching and coupling length adjusting hethod
JPS5535354A (en) Semiconductor laser beam branching device
SE8200502L (sv) Sett att uppretthalla en forutbestemd lobriktning vid en laserpulssendare jemte anordning for utforande av settet
JPS57211033A (en) Measuring method for group delay time difference of optical fiber
ATE43187T1 (de) Optische elemente.
SU853828A1 (ru) Микрофон дл волоконнооптическойлиНии СВ зи
JPS5727085A (en) Optical sensor wherein wavelength controlled laser is applied
Drolet et al. Coupling characteristics of a two-core fiber loop
EP0580858A4 (en) METHOD AND DEVICE FOR MEASURING THE QUANTITY OF LIGHT REFLECTED BY AN OPTICAL FIBER.
Zhou High-efficiency single-longitudinal-mode laser