GB1313057A - Magneto-optical probes - Google Patents

Magneto-optical probes

Info

Publication number
GB1313057A
GB1313057A GB2085571A GB1313057DA GB1313057A GB 1313057 A GB1313057 A GB 1313057A GB 2085571 A GB2085571 A GB 2085571A GB 1313057D A GB1313057D A GB 1313057DA GB 1313057 A GB1313057 A GB 1313057A
Authority
GB
United Kingdom
Prior art keywords
medium
birefringence
magneto
thickness
faraday rotation
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
Application number
GB2085571A
Other languages
English (en)
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.)
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
Original Assignee
BBC BROWN BOVERI and CIE
BBC Brown Boveri AG Switzerland
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 BBC BROWN BOVERI and CIE, BBC Brown Boveri AG Switzerland filed Critical BBC BROWN BOVERI and CIE
Publication of GB1313057A publication Critical patent/GB1313057A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB2085571A 1970-02-04 1971-04-19 Magneto-optical probes Expired GB1313057A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH157870A CH512076A (de) 1970-02-04 1970-02-04 Magnetfeldsonde

Publications (1)

Publication Number Publication Date
GB1313057A true GB1313057A (en) 1973-04-11

Family

ID=4213687

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2085571A Expired GB1313057A (en) 1970-02-04 1971-04-19 Magneto-optical probes

Country Status (6)

Country Link
US (1) US3707321A (enExample)
JP (1) JPS5013669B1 (enExample)
CH (1) CH512076A (enExample)
DE (1) DE2021965C3 (enExample)
FR (1) FR2079233B1 (enExample)
GB (1) GB1313057A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135050A (en) * 1983-02-10 1984-08-22 Hitachi Ltd Optical electric-field measuring apparatus
GB2403797A (en) * 2003-05-16 2005-01-12 Radiodetection Ltd Fibre optic cable detection

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2346722C2 (de) * 1973-09-17 1974-12-05 Siemens Ag, 1000 Berlin Und 8000 Muenchen Magnetooptischer Meßwandler für Hochspannungsströme
US4007979A (en) * 1975-04-18 1977-02-15 Mcdonnell Douglas Corporation Reflection elimination system
JPS52133781A (en) * 1976-05-01 1977-11-09 Omron Tateisi Electronics Co Color display device
US4239337A (en) * 1979-06-08 1980-12-16 Bell Telephone Laboratories, Incorporated Magneto-optic modulator using dielectric mirrors
FR2515811A1 (fr) * 1981-11-03 1983-05-06 Thomson Csf Dispositif interferometrique de mesure de champ magnetique et capteur de courant electrique comportant un tel dispositif
JPS58129372A (ja) * 1982-01-29 1983-08-02 Sumitomo Electric Ind Ltd 磁界−光変換器
JPS58139082A (ja) * 1982-02-15 1983-08-18 Hitachi Ltd 磁界測定装置
JPS6033382U (ja) * 1983-08-15 1985-03-07 赤井電機株式会社 Ｌｃｄ表示装置
JPH0786603B2 (ja) * 1988-08-24 1995-09-20 松下電器産業株式会社 光応用センサ
US5008611A (en) * 1989-03-14 1991-04-16 Square D Company Method of eliminating the effects of birefringence from the detection of electric current using Faraday rotation
US5124634A (en) * 1989-03-14 1992-06-23 Square D Company Ring optical current transducer
US4998063A (en) * 1989-07-31 1991-03-05 Abb Power T & D Company, Inc. Fiber optic coupled magneto-optic sensor having a concave reflective focusing surface
US5715080A (en) * 1992-09-11 1998-02-03 Scerbak; David G. Compact uniform field Faraday isolator
US5451863A (en) * 1992-10-30 1995-09-19 International Business Machines Corporation Fiber optic probe with a magneto-optic film on an end surface for detecting a current in an integrated circuit
US5987195A (en) * 1996-08-01 1999-11-16 The Texas A&M University System Fiber optics apparatus and method for accurate current sensing
JPH10161076A (ja) * 1996-11-29 1998-06-19 Fujitsu Ltd 磁気光学効果を利用した光デバイス
US6188811B1 (en) 1998-10-31 2001-02-13 The Texas A&M Universtiy System Fiber optic current sensor
US6307632B1 (en) 1999-03-24 2001-10-23 The Texas A&M University System Magnetic field integrated fiber optic sensor with improved sensitivity
JP2002311387A (ja) * 2001-04-17 2002-10-23 Minebea Co Ltd 多段反射型ファラデー回転子
TWI400553B (zh) * 2009-08-04 2013-07-01 Asia Optical Co Inc 光學投影裝置及其投射方法
DE102020125146A1 (de) 2020-09-25 2022-03-31 Alois Binder Schuh

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1961706A (en) * 1930-12-13 1934-06-05 Rca Corp Electrooptical system
US2973684A (en) * 1956-07-11 1961-03-07 Phillips Petroleum Co Magneto-optical rotation analyzer
US3360323A (en) * 1963-10-07 1967-12-26 Electro Optical Systems Inc Transverse magneto-optical rotator with compensation of phase retardation
US3404353A (en) * 1965-03-31 1968-10-01 Research Corp Birefringent apparatus for demodulating phase modulated light
US3529885A (en) * 1967-09-01 1970-09-22 Sylvania Electric Prod Temperature compensated birefringent networks

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135050A (en) * 1983-02-10 1984-08-22 Hitachi Ltd Optical electric-field measuring apparatus
GB2403797A (en) * 2003-05-16 2005-01-12 Radiodetection Ltd Fibre optic cable detection

Also Published As

Publication number Publication date
US3707321A (en) 1972-12-26
FR2079233A1 (enExample) 1971-11-12
DE2021965C3 (de) 1980-02-28
JPS5013669B1 (enExample) 1975-05-21
CH512076A (de) 1971-08-31
FR2079233B1 (enExample) 1975-01-17
DE2021965B2 (de) 1973-04-26
DE2021965A1 (de) 1971-09-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee