BR8206460A - Rotador de polarizacao optica ou rotador magnetoptico e isolador optico - Google Patents

Rotador de polarizacao optica ou rotador magnetoptico e isolador optico

Info

Publication number
BR8206460A
BR8206460A BR8206460A BR8206460A BR8206460A BR 8206460 A BR8206460 A BR 8206460A BR 8206460 A BR8206460 A BR 8206460A BR 8206460 A BR8206460 A BR 8206460A BR 8206460 A BR8206460 A BR 8206460A
Authority
BR
Brazil
Prior art keywords
rotator
optical
loops
straight portions
magnetoptic
Prior art date
Application number
BR8206460A
Other languages
English (en)
Inventor
Herve C Lefevre
Ralph A Bergh
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 BR8206460A publication Critical patent/BR8206460A/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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/032—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect
    • G01R33/0322—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect using the Faraday or Voigt effect
    • 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 
    • G02F1/09—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 magneto-optical elements, e.g. exhibiting Faraday effect

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Surgical Instruments (AREA)
  • Thermistors And Varistors (AREA)
  • Magnetic Treatment Devices (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Measuring Magnetic Variables (AREA)
  • Gyroscopes (AREA)
  • Polarising Elements (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
BR8206460A 1981-11-09 1982-11-08 Rotador de polarizacao optica ou rotador magnetoptico e isolador optico BR8206460A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/319,421 US4615582A (en) 1981-11-09 1981-11-09 Magneto-optic rotator for providing additive Faraday rotations in a loop of optical fiber

Publications (1)

Publication Number Publication Date
BR8206460A true BR8206460A (pt) 1983-09-27

Family

ID=23242171

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8206460A BR8206460A (pt) 1981-11-09 1982-11-08 Rotador de polarizacao optica ou rotador magnetoptico e isolador optico

Country Status (11)

Country Link
US (1) US4615582A (pt)
EP (1) EP0079188B1 (pt)
JP (1) JPS5890616A (pt)
KR (1) KR890000581B1 (pt)
AT (1) ATE45821T1 (pt)
AU (1) AU564579B2 (pt)
BR (1) BR8206460A (pt)
CA (1) CA1233683A (pt)
DE (1) DE3279904D1 (pt)
IL (1) IL67169A0 (pt)
NO (1) NO164625C (pt)

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US4792207A (en) * 1983-11-30 1988-12-20 The Board Of Trustees Of The Leland Stanford Junior University Single mode fiber optic single sideband modulator and method of frequency shifting using same
US4684215A (en) * 1983-11-30 1987-08-04 The Board Of Trustees Of The Leland Stanford Junior University Single mode fiber optic single sideband modulator and method of frequency
US4846543A (en) * 1984-05-02 1989-07-11 Kaptron, Inc. Star coupler for optical fibers
GB8432402D0 (en) * 1984-12-21 1985-02-06 Birch R D Optical fibres
GB2170920B (en) * 1985-02-12 1988-09-07 Stc Plc Beam splitter/combers
US4726650A (en) * 1985-09-27 1988-02-23 Western Atlas International, Inc. Optical accelerometer
US4830503A (en) * 1986-04-16 1989-05-16 Fuji Photo Film Co., Ltd. Reflection density measuring system
GB2203259A (en) * 1987-02-26 1988-10-12 Plessey Co Plc Polarisation rotator associated with reflective surface
US4859018A (en) * 1987-06-15 1989-08-22 Northern Telecom Limited Optical fiber bandwidth limiting
US4894608A (en) * 1987-07-22 1990-01-16 Square D Company Electric current sensor using the faraday effect
DE3741455A1 (de) * 1987-12-08 1989-06-22 Standard Elektrik Lorenz Ag Optischer isolator
US4964131A (en) * 1988-12-16 1990-10-16 The Board Of Trustees Of The Leland Standford Junior University Broadband optical fiber laser
US5124634A (en) * 1989-03-14 1992-06-23 Square D Company Ring optical current transducer
US5015842A (en) * 1989-06-01 1991-05-14 United Technologies Corporation High density fiber optic damage detection system
US5007695A (en) * 1989-09-29 1991-04-16 Honeywell Inc. Fiber optic phase modulator using electro-optic material in evanescent field
US5051577A (en) * 1990-03-20 1991-09-24 Minnesota Mining And Manufacturing Company Faraday effect current sensor having two polarizing fibers at an acute angle
DE4344856A1 (de) * 1993-12-29 1995-07-06 Abb Research Ltd Faseroptischer Transmissionssensor mit Modulator
US5598489A (en) * 1994-07-27 1997-01-28 Litton Systems, Inc. Depolarized fiber optic rotation sensor with low faraday effect drift
US5644397A (en) * 1994-10-07 1997-07-01 The Texas A&M University System Fiber optic interferometric circuit and magnetic field sensor
TW312744B (pt) * 1994-10-11 1997-08-11 Adoban Tesuto Kk
KR0171832B1 (ko) * 1995-08-04 1999-05-01 김광호 다중단 접속이 가능한 광아이솔레이터를 사용한 광증폭장치
US5729005A (en) * 1996-07-12 1998-03-17 Minnesota Mining And Manufacturing Company Fiber optic current sensor with bend birefringence compensation
US5696858A (en) * 1996-08-01 1997-12-09 The Texas A&M University System Fiber Optics apparatus and method for accurate current sensing
US5987195A (en) * 1996-08-01 1999-11-16 The Texas A&M University System Fiber optics apparatus and method for accurate current sensing
KR100216980B1 (ko) * 1996-12-05 1999-09-01 윤덕용 광주파수 변환을 이용한 비가역적 광소자
US6023331A (en) * 1997-06-19 2000-02-08 The Texas A&M University System Fiber optic interferometric sensor and method by adding controlled amounts of circular birefringence in the sensing fiber
US5978084A (en) * 1997-08-26 1999-11-02 The Texas A&M University System Open loop signal processing circuit and method for a fiber optic interferometric sensor
US6188811B1 (en) 1998-10-31 2001-02-13 The Texas A&M Universtiy System Fiber optic current sensor
US6539134B1 (en) 1999-02-11 2003-03-25 Kvh Industries, Inc. Polarization transformer
US6307632B1 (en) 1999-03-24 2001-10-23 The Texas A&M University System Magnetic field integrated fiber optic sensor with improved sensitivity
US6370289B1 (en) 2000-01-12 2002-04-09 Kvh Industries, Inc. Apparatus and method for electronic RIN reduction in fiber-optic sensors
AU2001255167A1 (en) 2000-02-28 2001-09-03 Kvh Industries, Inc. Faraday-effect current sensor with improved vibration response
US6594020B2 (en) 2000-07-13 2003-07-15 Kvh Industries, Inc Method for controlling fiber optic sensor scale factor using amplitude modulation
US6707558B2 (en) 2000-08-02 2004-03-16 Kvh Industries, Inc. Decreasing the effects of linear birefringence in a fiber-optic sensor by use of Berry's topological phase
WO2002010813A2 (en) * 2000-08-02 2002-02-07 Kvh Industries, Inc. Reduction of linear birefringence in circular-core single-mode fiber
US6836334B2 (en) * 2001-10-31 2004-12-28 Kvh Industries, Inc. Angle random walk (ARW) noise reduction in fiber optic sensors using an optical amplifier
US6763153B2 (en) * 2002-04-17 2004-07-13 Kvh Industries, Inc. Apparatus and method for electronic RIN reduction in fiber-optic sensors utilizing filter with group delay
US6868236B2 (en) * 2002-07-18 2005-03-15 Terabeam Corporation Apparatus and method for combining multiple optical beams in a free-space optical communications system
CN1912646B (zh) * 2006-09-01 2011-05-11 中国科学院上海微系统与信息技术研究所 一种mems微型高灵敏度磁场传感器及制作方法
US10485422B2 (en) 2009-02-19 2019-11-26 Manish Dinkarrao Kulkarni System and method for imaging subsurface of specimen
US8773665B1 (en) * 2011-04-01 2014-07-08 Emcore Corporation Compact fiber optic gyroscope
US11016316B2 (en) 2016-11-10 2021-05-25 Intuitive Surgical Operations, Inc. Polarization control with low polarization-mode dispersion
CN108415175A (zh) * 2017-02-10 2018-08-17 北京齐瑞德光电科技有限公司 一种基于法拉第旋光效应的扰偏器
CN111247478A (zh) * 2017-08-22 2020-06-05 芬兰国家技术研究中心股份公司 集成法拉第旋转器
GB2588262B (en) * 2019-05-24 2023-01-18 Rockley Photonics Ltd Optical isolator
CN113156575A (zh) * 2021-04-19 2021-07-23 上海大学 一种利用强磁场提高掺杂光纤磁光特性与发光效率的方法
CN115267970B (zh) * 2022-08-04 2023-05-09 南京信息工程大学 一种光子自旋定向耦合器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3756690A (en) * 1972-03-30 1973-09-04 Corning Glass Works Optical waveguide light modulator
DE2835794C3 (de) * 1978-08-16 1987-12-03 Max-Planck-Gesellschaft zur Förderung der Wissenschaften eV, 3400 Göttingen Faseroptische Anordnung zur Messung der Stärke eines elektrischen Stromes
DE2841162A1 (de) * 1978-09-21 1980-04-10 Siemens Ag Doppelbrechungsarmer lichtwellenleiter
US4299490A (en) * 1978-12-07 1981-11-10 Mcdonnell Douglas Corporation Phase nulling optical gyro
DE2855337A1 (de) * 1978-12-21 1980-07-03 Licentia Gmbh Verfahren zur kompensation des in einer bei einem magnetooptischen stromwandler verwendeten lichtleitfaser auftretenden doppelbrechungseinflusses
US4372685A (en) * 1979-01-15 1983-02-08 Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. Method and arrangement for the measurement of rotations
US4389090A (en) * 1980-09-04 1983-06-21 The Board Of Trustees Of Leland Stanford Jr. Univ. Fiber optic polarization controller
US4410275A (en) * 1981-03-31 1983-10-18 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic rotation sensor
US4450406A (en) * 1981-10-05 1984-05-22 The United States Of America As Represented By The Secretary Of The Navy Triaxial optical fiber system for measuring magnetic fields

Also Published As

Publication number Publication date
CA1233683A (en) 1988-03-08
EP0079188A2 (en) 1983-05-18
IL67169A0 (en) 1983-03-31
NO164625B (no) 1990-07-16
AU8988082A (en) 1983-05-19
JPS5890616A (ja) 1983-05-30
US4615582A (en) 1986-10-07
NO164625C (no) 1990-10-24
NO823709L (no) 1983-05-10
EP0079188B1 (en) 1989-08-23
AU564579B2 (en) 1987-08-20
DE3279904D1 (en) 1989-09-28
EP0079188A3 (en) 1984-12-27
KR840002531A (ko) 1984-07-02
KR890000581B1 (ko) 1989-03-21
ATE45821T1 (de) 1989-09-15

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