KR960035055A - 자기광학소자 및 광자계센서 - Google Patents

자기광학소자 및 광자계센서 Download PDF

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Publication number
KR960035055A
KR960035055A KR1019950068549A KR19950068549A KR960035055A KR 960035055 A KR960035055 A KR 960035055A KR 1019950068549 A KR1019950068549 A KR 1019950068549A KR 19950068549 A KR19950068549 A KR 19950068549A KR 960035055 A KR960035055 A KR 960035055A
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South Korea
Prior art keywords
magneto
optical
value
rare earth
optical element
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KR1019950068549A
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KR100203375B1 (ko
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노부키 이토
히사시 미네모토
다이스케 이시코
사토시 이시즈카
Original Assignee
모리시타 요이찌
마쯔시다덴기산교 가부시기가이샤
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/09Devices 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/02Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/032Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect
    • G01R33/0322Measuring 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/342Oxides
    • H01F1/344Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
    • H01F1/346[(TO4) 3] with T= Si, Al, Fe, Ga
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00Thin magnetic films, e.g. of one-domain structure
    • H01F10/08Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/18Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being compounds
    • H01F10/20Ferrites
    • H01F10/24Garnets
    • H01F10/245Modifications for enhancing interaction with electromagnetic wave energy

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Dispersion Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Measuring Magnetic Variables (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

본 발명은 패러데이효과를 가진 자기광학소자와 그것을 사용한 광자계센서에 관한 것으로서, 자기광학소자는, 일반식 ①로 표시되는 회토류철가닛결정이고, 조성범위에 있어서 X의 값을 1.00≤X ≤1.30, 또한 Y의 값을 0.42≤Y ≤0.60, 또한 Z의 값을 0.01≤Z ≤0.05, 또한 W의 값을 0.40≤W ≤0.62로 하고, 자계에 대해서 온도특성이 좋은 자기광학소자가 된다. 또 이 자기광학소자를 사용해서 회절광을 고차까지 수광할 수 있는 광학계를 사용해서 광자계센서를 구성한다. 이 자기광학소자와 센서광학계를 사용한 광자계센서는, 자기광학소자의 포화자계까지의 측정범위에서, 계측오차가 1.0% 이하이고, 종래에 없는 높은 자계측정정밀도를 실현하는 것이다.
(BiXGdYRZY3-X-Y-Z)(Fe5-wGaw)O12

Description

자기광학소자 및 광자계센서
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 광자계센서의 실시예와 광선추적을 표시한 도면, 제2도는 본 발명의 자기광학소자를 사용한 광자계센서의 감도의 온도의존성을 표시한 도면, 제3도는 본 발명의 자기광학소자와 광자계센서를 사용한 센서출력의 직선성을 표시한 도면, 제10도는 본 발명의 광자계센서의 다른 실시예를 표시한 도면.

Claims (7)

  1. 하기 일반식으로 표시되는 회토류철가닛재료에 있어서, X의 값을 1.00≤X ≤1.30, 또한 Y의 값을 0.42 ≤Y ≤ 0.60, 또한 Z 값을 0.01≤Z ≤0.05, 또한 W의 값을 0.40≤W ≤0.62로 한 것을 특징으로 하는 자기광학소자.
    (BiXGdYRZY3-X-Y-Z)(Fe5-WGaW)O12
    R은 회토류원소로부터 선택되는 적어도 1종류의 원소이다.
  2. 하기 일반식으로 표시되는 회토류철가닛재료에 있어서, X의 값을 1.10≤X ≤1.30, 또한 Y의 값을 1.00≤Y ≤1.80, 또한 Z의 값을 0≤Z ≤0.06으로 한 것을 특징으로 하는 자기광학소자.
    (BiXGdYRZY3-X-Y-Z)Fe5O12
    R은 회토류원소로부터 선택되는 적어도 1종류의 원소이다.
  3. 제1항 또는 제2항에 있어서, 회토류철가닛재료를 가닛결정기판상에 에피택셜성장시켜서 형성하는 것을 특징으로 하는 자기광학소자.
  4. 제3항에 있어서, 가닛결정기판이 Ca-Mg-Zr치환형Gd3Ga5O12기판인 것을 특징으로 하는 자기광학소자.
  5. 제1항 또는 제2항에 있어서, 회토류철가닛재료의 막두께가 50㎛ 이상인 것을 특징으로 하는 자기광학소자.
  6. 적어도 광의 진행방향을 따라서, 편광자와, 자기광학소자와, 상기 편광자에 대해서 투과편광방향을 서로 다르게 한 검광자를 배치해서 피측정자계를 출력광강도로서 검지하는 광자계센서에 있어서, 상기 자기광학소자의 일단부에, 상기 편광자를 사이에 끼워서 설치된 제1렌즈와, 상기 자기광학소자의 일단부이고, 상기 제1렌즈에 대향하는 면에, 상기 검광자를 사이에 끼워서 설치된 제2렌즈를 개재해서, 상기 제1렌즈에 광을 입력하는 입력광파이버와 상기 자기광학소자 및 상기 제2렌즈의 광을 출력하는 출력광파이버와 상기 자기광학소자와 공초점광학계로 구성되고, 상기 입력광파이버와 상기 출력광파이버가 상기 자기광학소자에 대해서 선대칭으로 배치되어 있는 것을 특징으로 하는 광자계센서.
  7. 제6항에 있어서, 자기광학소자가 회토류철가닛재료인 것을 특징으로 하는 광자계센서.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950068549A 1995-03-17 1995-12-30 자기광학소자 및 광자계센서 KR100203375B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP95-58935 1995-03-17
JP05893595A JP3193945B2 (ja) 1995-03-17 1995-03-17 磁気光学素子及び光磁界センサ

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KR960035055A true KR960035055A (ko) 1996-10-24
KR100203375B1 KR100203375B1 (ko) 1999-06-15

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US (2) US5691837A (ko)
EP (2) EP0732709B1 (ko)
JP (1) JP3193945B2 (ko)
KR (1) KR100203375B1 (ko)
DE (2) DE69608593T2 (ko)
TW (2) TW351773B (ko)

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JP6744143B2 (ja) 2015-06-15 2020-08-19 スカイワークス ソリューションズ, インコーポレイテッドSkyworks Solutions, Inc. 合成ガーネット材料、改質された合成ガーネット組成物、および合成ガーネットを製造する方法
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Also Published As

Publication number Publication date
EP0935141A3 (en) 1999-08-18
US5691837A (en) 1997-11-25
EP0732709B1 (en) 2000-05-31
DE69624385T2 (de) 2003-06-12
EP0935141B1 (en) 2002-10-16
TW555011U (en) 2003-09-21
DE69624385D1 (de) 2002-11-21
TW351773B (en) 1999-02-01
KR100203375B1 (ko) 1999-06-15
EP0935141A2 (en) 1999-08-11
JPH08254675A (ja) 1996-10-01
US5835257A (en) 1998-11-10
DE69608593T2 (de) 2000-09-21
JP3193945B2 (ja) 2001-07-30
EP0732709A1 (en) 1996-09-18
DE69608593D1 (de) 2000-07-06

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