CA934446A - Apparatus for electronically measuring the angle of rotation of the polarization plane of a linearly polarized light beam produced by passage of the beam through a magneto-opticalelement subjected to a magnetic field to be measured - Google Patents

Apparatus for electronically measuring the angle of rotation of the polarization plane of a linearly polarized light beam produced by passage of the beam through a magneto-opticalelement subjected to a magnetic field to be measured

Info

Publication number
CA934446A
CA934446A CA100576A CA100576A CA934446A CA 934446 A CA934446 A CA 934446A CA 100576 A CA100576 A CA 100576A CA 100576 A CA100576 A CA 100576A CA 934446 A CA934446 A CA 934446A
Authority
CA
Canada
Prior art keywords
opticalelement
magneto
passage
subjected
measured
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
CA100576A
Other languages
English (en)
Other versions
CA100576S (en
Inventor
Jaecklin Andre
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 AG Germany
Original Assignee
Brown Boveri und Cie AG Germany
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 Brown Boveri und Cie AG Germany filed Critical Brown Boveri und Cie AG Germany
Application granted granted Critical
Publication of CA934446A publication Critical patent/CA934446A/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
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J4/00—Measuring polarisation of light
    • G01J4/04—Polarimeters using electric detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
    • G01R15/247—Details of the circuitry or construction of devices covered by G01R15/241 - G01R15/246
    • 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)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
CA100576A 1969-12-23 1970-12-14 Apparatus for electronically measuring the angle of rotation of the polarization plane of a linearly polarized light beam produced by passage of the beam through a magneto-opticalelement subjected to a magnetic field to be measured Expired CA934446A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1907169A CH509597A (de) 1969-12-23 1969-12-23 Verfahren und Anordnung zur Messung eines Magnetfeldes

Publications (1)

Publication Number Publication Date
CA934446A true CA934446A (en) 1973-09-25

Family

ID=4437172

Family Applications (1)

Application Number Title Priority Date Filing Date
CA100576A Expired CA934446A (en) 1969-12-23 1970-12-14 Apparatus for electronically measuring the angle of rotation of the polarization plane of a linearly polarized light beam produced by passage of the beam through a magneto-opticalelement subjected to a magnetic field to be measured

Country Status (9)

Country Link
US (1) US3693082A (enExample)
JP (1) JPS4926918B1 (enExample)
CA (1) CA934446A (enExample)
CH (1) CH509597A (enExample)
DE (1) DE2014291A1 (enExample)
FR (1) FR2074074A5 (enExample)
GB (1) GB1276798A (enExample)
NL (1) NL7018599A (enExample)
SE (1) SE375858B (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778163A (en) * 1969-04-30 1973-12-11 Hughes Aircraft Co Rotation-rate measuring apparatus
US3963195A (en) * 1975-01-27 1976-06-15 Northrop Corporation Roll reference system for vehicles utilizing optical beam control
JPS52119367A (en) * 1976-03-31 1977-10-06 Ono Yutaka Method and apparatus for detecting voltage using phototransformer
US4405198A (en) * 1981-08-25 1983-09-20 The United States Of America As Represented By The Secretary Of The Navy Extended fiber optic sensor using birefringent fibers
JPS5919875A (ja) * 1982-07-27 1984-02-01 Toshiba Corp 磁界測定装置
US4516021A (en) * 1982-08-09 1985-05-07 Taylor Henry F Fiber optic magnetic field sensor
US4495411A (en) * 1982-10-27 1985-01-22 The United States Of America As Represented By The Secretary Of The Navy Fiber optic sensors operating at DC
US4600885A (en) * 1984-05-15 1986-07-15 The United States Of America As Represented By The Secretary Of The Navy Fiber optic magnetometer for detecting DC magnetic fields
US4603296A (en) * 1984-05-15 1986-07-29 The United States Of America As Represented By The Secretary Of The Navy Fiber optic DC magnetometer without hysteresis ambiguity
US4591786A (en) * 1984-08-17 1986-05-27 The United States Of America As Represented By The Secretary Of The Navy Fiber-optic magnetic gradiometer with variable magnetic biasing fields
US5038103A (en) * 1985-04-22 1991-08-06 The United States Of America As Represented By The Secretary Of The Navy Optical fiber magnetometer
JPS6316246A (ja) * 1986-07-08 1988-01-23 Hamamatsu Photonics Kk 旋光度変化測定装置
US4947107A (en) * 1988-06-28 1990-08-07 Sundstrand Corporation Magneto-optic current sensor
US4904931A (en) * 1988-09-28 1990-02-27 Westinghouse Electric Corp. Electro-optical voltage measuring system incorporating a method and apparatus to derive the measured voltage waveform from two phase shifted electrical signals
US5124634A (en) * 1989-03-14 1992-06-23 Square D Company Ring optical current transducer
US4973899A (en) * 1989-08-24 1990-11-27 Sundstrand Corporation Current sensor and method utilizing multiple layers of thin film magneto-optic material and signal processing to make the output independent of system losses
US5731585A (en) * 1992-08-27 1998-03-24 Thermotrex Corporation Voigt filter
US5424535A (en) * 1993-04-29 1995-06-13 The Boeing Company Optical angle sensor using polarization techniques
DE4416298A1 (de) * 1994-05-09 1995-11-16 Abb Research Ltd Verfahren und Vorrichtung zur optischen Ermittlung einer physikalischen Größe
US5883548A (en) * 1997-11-10 1999-03-16 The United States Of America As Represented By The Secretary Of The Navy Demodulation system and method for recovering a signal of interest from an undersampled, modulated carrier
US20050002032A1 (en) * 2001-11-06 2005-01-06 Wijntjes Geert Johannes Non-contact optical polarization angle encoder
US20030095257A1 (en) * 2001-11-06 2003-05-22 Wijntjes Geert Johannes Non-contact optical polarization angle encoder
CN1963539B (zh) * 2005-11-09 2011-03-09 李岩松 光学电流互感器及其测定电流的方法
US9702812B2 (en) * 2014-05-08 2017-07-11 Theodore Peter Rakitzis Cavity enhanced polarimeter and related methods

Also Published As

Publication number Publication date
JPS4926918B1 (enExample) 1974-07-12
SE375858B (enExample) 1975-04-28
FR2074074A5 (enExample) 1971-10-01
CH509597A (de) 1971-06-30
DE2014291A1 (de) 1971-07-01
US3693082A (en) 1972-09-19
GB1276798A (en) 1972-06-07
NL7018599A (enExample) 1971-06-25

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