JPH0432991B2 - - Google Patents

Info

Publication number
JPH0432991B2
JPH0432991B2 JP58032778A JP3277883A JPH0432991B2 JP H0432991 B2 JPH0432991 B2 JP H0432991B2 JP 58032778 A JP58032778 A JP 58032778A JP 3277883 A JP3277883 A JP 3277883A JP H0432991 B2 JPH0432991 B2 JP H0432991B2
Authority
JP
Japan
Prior art keywords
optical
magnetic field
signal
magnetic
light
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 - Lifetime
Application number
JP58032778A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59159076A (ja
Inventor
Tadashi Sato
Genji Takahashi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP58032778A priority Critical patent/JPS59159076A/ja
Publication of JPS59159076A publication Critical patent/JPS59159076A/ja
Publication of JPH0432991B2 publication Critical patent/JPH0432991B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Measuring Magnetic Variables (AREA)
JP58032778A 1983-03-02 1983-03-02 光学式磁界センサ Granted JPS59159076A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58032778A JPS59159076A (ja) 1983-03-02 1983-03-02 光学式磁界センサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58032778A JPS59159076A (ja) 1983-03-02 1983-03-02 光学式磁界センサ

Publications (2)

Publication Number Publication Date
JPS59159076A JPS59159076A (ja) 1984-09-08
JPH0432991B2 true JPH0432991B2 (enrdf_load_stackoverflow) 1992-06-01

Family

ID=12368298

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58032778A Granted JPS59159076A (ja) 1983-03-02 1983-03-02 光学式磁界センサ

Country Status (1)

Country Link
JP (1) JPS59159076A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0690236B2 (ja) * 1985-05-23 1994-11-14 三菱電機株式会社 光応用測定装置
JPS62333A (ja) * 1985-06-26 1987-01-06 株式会社東芝 磁気共鳴イメ−ジング装置
JPH0778526B2 (ja) * 1991-08-29 1995-08-23 日本碍子株式会社 光磁界センサ
AU643913B2 (en) * 1992-02-21 1993-11-25 Ngk Insulators, Ltd. Optical magnetic field sensor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5988665A (ja) * 1982-11-13 1984-05-22 Hitachi Ltd 光応用磁界センサ

Also Published As

Publication number Publication date
JPS59159076A (ja) 1984-09-08

Similar Documents

Publication Publication Date Title
US4564754A (en) Method and apparatus for optically measuring a current
JP4853474B2 (ja) 光センサおよび光電流・電圧センサ
US20100253320A1 (en) Optical fiber electric current sensor and electric current measurement method
US5834933A (en) Method for magnetooptic current measurement and magnetooptic current-measuring device
JP2000515979A (ja) 精密電流検知のための光ファイバ装置及び方法
WO2000019217A9 (en) In-line electro-optic voltage sensor
WO2011125564A1 (ja) 光ファイバ電流センサおよび電流測定方法
KR100310374B1 (ko) 패러데이 효과를 이용해서 2개의 반대방향 광신호로전류를측정하기위한방법및장치
US6114846A (en) Optical measuring method and device for measuring a magnetic alternating field with an expanded measuring range and good linearity
US6154022A (en) Optical measuring method and optical measuring device for measuring an alternating magnetic field having intensity normalization
JPH0432991B2 (enrdf_load_stackoverflow)
JP3300184B2 (ja) 光ファイバ型計測装置及び計測方法
JP3342768B2 (ja) 光ファイバ型計測装置及び計測方法
JP2996775B2 (ja) 光式磁界センサ
JPH02143173A (ja) 光学式直流変成器
JPH07306095A (ja) 偏光変調光信号の偏光分析評価方法
JP3011244B2 (ja) 光応用直流電流変成器
JP2638312B2 (ja) 光センサ
RU2337331C1 (ru) Способ измерения азимута плоскости поляризации оптического излучателя
RU2042109C1 (ru) Оптоэлектронное устройство для измерения линейных перемещений объекта
JPH05264687A (ja) 光式磁界センサ
JPH10197570A (ja) 光ファイバ電流計測装置
JPS5988665A (ja) 光応用磁界センサ
JPH0720158A (ja) 光変流器
JPH01276074A (ja) 光復調器