DE68909710D1 - Optischer Bestandteil und Magnetfeldsensor mit übereinanderliegenden Einkristallelementen mit verschiedenen optischen Eigenschaften. - Google Patents
Optischer Bestandteil und Magnetfeldsensor mit übereinanderliegenden Einkristallelementen mit verschiedenen optischen Eigenschaften.Info
- Publication number
- DE68909710D1 DE68909710D1 DE89307619T DE68909710T DE68909710D1 DE 68909710 D1 DE68909710 D1 DE 68909710D1 DE 89307619 T DE89307619 T DE 89307619T DE 68909710 T DE68909710 T DE 68909710T DE 68909710 D1 DE68909710 D1 DE 68909710D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic field
- single crystal
- field sensor
- crystal elements
- optical component
- 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 - Fee Related
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
-
- 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)
- 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)
- Polarising Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63188951A JP2505542B2 (ja) | 1988-07-28 | 1988-07-28 | 光学素子および光磁界検出センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68909710D1 true DE68909710D1 (de) | 1993-11-11 |
DE68909710T2 DE68909710T2 (de) | 1994-05-05 |
Family
ID=16232774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE89307619T Expired - Fee Related DE68909710T2 (de) | 1988-07-28 | 1989-07-27 | Optischer Bestandteil und Magnetfeldsensor mit übereinanderliegenden Einkristallelementen mit verschiedenen optischen Eigenschaften. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4984875A (de) |
EP (1) | EP0353057B1 (de) |
JP (1) | JP2505542B2 (de) |
DE (1) | DE68909710T2 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0786603B2 (ja) * | 1988-08-24 | 1995-09-20 | 松下電器産業株式会社 | 光応用センサ |
JPH085749B2 (ja) * | 1989-03-30 | 1996-01-24 | 日本碍子株式会社 | 旋光性単結晶およびその製造方法 |
US5440414A (en) * | 1990-02-02 | 1995-08-08 | The United States Of America As Represented By The Secretary Of The Navy | Adaptive polarization diversity detection scheme for coherent communications and interferometric fiber sensors |
US5141110A (en) * | 1990-02-09 | 1992-08-25 | Hoover Universal, Inc. | Method for sorting plastic articles |
JPH0476476A (ja) * | 1990-07-19 | 1992-03-11 | Ngk Insulators Ltd | 光磁界センサ |
GB2261503A (en) * | 1991-10-08 | 1993-05-19 | Novacare Products Limited | Monitoring a parameter of a magnetic or electromagnetic field |
US5889609A (en) * | 1992-07-31 | 1999-03-30 | Fujitsu Limited | Optical attenuator |
US5394420A (en) * | 1994-01-27 | 1995-02-28 | Trw Inc. | Multiform crystal and apparatus for fabrication |
JP3667827B2 (ja) * | 1995-08-29 | 2005-07-06 | 富士通株式会社 | ファラデー回転子 |
JP3739471B2 (ja) | 1996-03-01 | 2006-01-25 | 富士通株式会社 | 光可変減衰器 |
JP3773601B2 (ja) * | 1996-09-18 | 2006-05-10 | 富士通株式会社 | ファラデー回転子 |
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 |
US6496300B2 (en) | 1998-02-27 | 2002-12-17 | Fujitsu Limited | Optical amplifier |
US6441955B1 (en) * | 1998-02-27 | 2002-08-27 | Fujitsu Limited | Light wavelength-multiplexing systems |
WO2003040662A1 (en) * | 2001-11-06 | 2003-05-15 | Visidyne, Inc. | Non-contact optical polarization angle encoder |
US20050002032A1 (en) * | 2001-11-06 | 2005-01-06 | Wijntjes Geert Johannes | Non-contact optical polarization angle encoder |
US7253956B2 (en) * | 2003-01-29 | 2007-08-07 | Kyocera Corporation | Optical isolator element, a method for producing such an element, and an optical isolator using such an element |
WO2006022178A1 (ja) * | 2004-08-25 | 2006-03-02 | The Tokyo Electric Power Company, Incorporated | 光電流センサにおける温度依存性誤差の低減方法および光電流センサ装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3529885A (en) * | 1967-09-01 | 1970-09-22 | Sylvania Electric Prod | Temperature compensated birefringent networks |
US3540795A (en) * | 1969-01-15 | 1970-11-17 | Ibm | Achromatic compensation apparatus using polarization rotation and birefringent elements |
DE2908752A1 (de) * | 1979-03-06 | 1980-09-18 | Max Planck Gesellschaft | Optisches transmissionsfilter |
JPS56155100A (en) * | 1980-05-02 | 1981-12-01 | Ngk Insulators Ltd | Production of single crystal of ferrite |
JPS58140716A (ja) * | 1982-02-15 | 1983-08-20 | Sumitomo Electric Ind Ltd | 磁界−光変換器 |
JPS58186705A (ja) * | 1982-04-26 | 1983-10-31 | Shimadzu Corp | 旋光子 |
US4478872A (en) * | 1983-04-04 | 1984-10-23 | Litton Systems, Inc. | Method of manufacturing a multilayer magneto-optic device |
US4607916A (en) * | 1984-03-19 | 1986-08-26 | Gte Laboratories Incorporated | Apparatus for controlling the rotation of the plane of linear polarization of linearly polarized radiant energy traversing an element of chromium chalcogenide spinel magnetic semiconductor with elliptically polarized radiant energy |
US4762384A (en) * | 1985-04-29 | 1988-08-09 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical systems with antireciprocal polarization rotators |
JPS61250572A (ja) * | 1985-04-30 | 1986-11-07 | Mitsubishi Electric Corp | 光応用電流・磁界センサ |
JPH0766044B2 (ja) * | 1985-06-29 | 1995-07-19 | 株式会社東芝 | 磁界センサ |
-
1988
- 1988-07-28 JP JP63188951A patent/JP2505542B2/ja not_active Expired - Lifetime
-
1989
- 1989-07-25 US US07/384,502 patent/US4984875A/en not_active Expired - Fee Related
- 1989-07-27 EP EP89307619A patent/EP0353057B1/de not_active Expired - Lifetime
- 1989-07-27 DE DE89307619T patent/DE68909710T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0353057A2 (de) | 1990-01-31 |
JPH0238880A (ja) | 1990-02-08 |
EP0353057A3 (en) | 1990-03-28 |
EP0353057B1 (de) | 1993-10-06 |
DE68909710T2 (de) | 1994-05-05 |
US4984875A (en) | 1991-01-15 |
JP2505542B2 (ja) | 1996-06-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |