DE69413308D1 - Magneto-optisches Modulationssystem - Google Patents

Magneto-optisches Modulationssystem

Info

Publication number
DE69413308D1
DE69413308D1 DE69413308T DE69413308T DE69413308D1 DE 69413308 D1 DE69413308 D1 DE 69413308D1 DE 69413308 T DE69413308 T DE 69413308T DE 69413308 T DE69413308 T DE 69413308T DE 69413308 D1 DE69413308 D1 DE 69413308D1
Authority
DE
Germany
Prior art keywords
magneto
modulation system
optical modulation
optical
modulation
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
Application number
DE69413308T
Other languages
English (en)
Other versions
DE69413308T2 (de
Inventor
Masayuki Togawa
Kiyoshi Toyama
Minoru Takeda
Morio Kobayashi
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.)
Nabtesco Corp
Original Assignee
Teijin Seiki Co 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 Teijin Seiki Co Ltd filed Critical Teijin Seiki Co Ltd
Application granted granted Critical
Publication of DE69413308D1 publication Critical patent/DE69413308D1/de
Publication of DE69413308T2 publication Critical patent/DE69413308T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/344—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using polarisation

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Optics & Photonics (AREA)
  • Measuring Magnetic Variables (AREA)
  • Optical Transform (AREA)
DE69413308T 1993-06-03 1994-05-26 Magneto-optisches Modulationssystem Expired - Fee Related DE69413308T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5133081A JP2648437B2 (ja) 1993-06-03 1993-06-03 光磁気変調方式並びにその方式を用いた変位検出装置および光スイッチ

Publications (2)

Publication Number Publication Date
DE69413308D1 true DE69413308D1 (de) 1998-10-22
DE69413308T2 DE69413308T2 (de) 1999-06-02

Family

ID=15096409

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69413308T Expired - Fee Related DE69413308T2 (de) 1993-06-03 1994-05-26 Magneto-optisches Modulationssystem

Country Status (4)

Country Link
US (1) US5434934A (de)
EP (1) EP0627613B1 (de)
JP (1) JP2648437B2 (de)
DE (1) DE69413308T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5742036A (en) * 1994-10-04 1998-04-21 Rockwell International Corporation Method for marking, capturing and decoding machine-readable matrix symbols using magneto-optic imaging techniques
JPH1151701A (ja) * 1997-08-08 1999-02-26 Teijin Seiki Co Ltd 光磁気変調装置
JP4056726B2 (ja) * 2000-10-27 2008-03-05 松下電器産業株式会社 光信号伝送システム及びそれに用いる磁気光学変調器
US6912080B2 (en) 2002-03-26 2005-06-28 Matsushita Electric Industrial Co., Ltd. Magneto-optic modulator and optical communication system using the same
US7183765B2 (en) * 2003-06-26 2007-02-27 The Regents Of The University Of California Micro-position sensor using faraday effect
US8049158B2 (en) * 2008-04-24 2011-11-01 Honeywell International Inc. Photonic proximity sensor and scalable photonic sensing system
DE102011052217B4 (de) 2011-07-27 2019-08-08 Helmholtz-Zentrum Dresden - Rossendorf E.V. Verfahren zum Bestimmen der wellenlängenabhängigen magnetooptischen Kopplungskonstante einer zu charakterisierenden Schicht in einem Schichtsystem mit einer oder mehreren magnetisierbaren Schichten
JP2015141027A (ja) * 2014-01-27 2015-08-03 セイコーエプソン株式会社 電場増強素子、ラマン分光法、ラマン分光装置、及び電子機器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4931635A (en) * 1987-12-01 1990-06-05 Teijin Seiki Company Limited Optical position sensor using Faraday effect element and magnetic scale
US4947035A (en) * 1988-08-08 1990-08-07 Cornell Research Foundation, Inc. Fiber optic transducer using faraday effect
US5042905A (en) * 1990-06-15 1991-08-27 Honeywell Inc. Electrically passive fiber optic position sensor
JP3054208B2 (ja) * 1991-03-01 2000-06-19 帝人製機株式会社 磁界測定装置

Also Published As

Publication number Publication date
JP2648437B2 (ja) 1997-08-27
EP0627613B1 (de) 1998-09-16
DE69413308T2 (de) 1999-06-02
EP0627613A3 (de) 1995-02-15
JPH06341860A (ja) 1994-12-13
EP0627613A2 (de) 1994-12-07
US5434934A (en) 1995-07-18

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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
8370 Indication of lapse of patent is to be deleted
8339 Ceased/non-payment of the annual fee
8370 Indication of lapse of patent is to be deleted
8339 Ceased/non-payment of the annual fee