KR850003223A - 고체화 광간섭계(固體化光干涉計) - Google Patents

고체화 광간섭계(固體化光干涉計) Download PDF

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Publication number
KR850003223A
KR850003223A KR1019840006393A KR840006393A KR850003223A KR 850003223 A KR850003223 A KR 850003223A KR 1019840006393 A KR1019840006393 A KR 1019840006393A KR 840006393 A KR840006393 A KR 840006393A KR 850003223 A KR850003223 A KR 850003223A
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KR
South Korea
Prior art keywords
optical
circuit
output
light
interferometer
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KR1019840006393A
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English (en)
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KR900008266B1 (ko
Inventor
다까오 사사야마 (외 4)
Original Assignee
미다 가쓰시게
가부시기 가이샤 히다찌 세이사꾸쇼
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Publication of KR850003223A publication Critical patent/KR850003223A/ko
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Publication of KR900008266B1 publication Critical patent/KR900008266B1/ko

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • 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 
    • G02F1/11—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 acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves
    • G02F1/125—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 acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves in an optical waveguide structure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/58—Turn-sensitive devices without moving masses
    • G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
    • G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
    • 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 
    • G02F1/21—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  by interference
    • G02F1/225—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  by interference in an optical waveguide structure

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)

Abstract

내용 없음

Description

고체화 광간섭계(固體化光干涉計)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제4도는 본원 발명을 링간섭계에 적용한 일실시예의 구성도.
제5도는 광도파로의 일실시예를 나타낸 설명도.
제6도는 광화이버와 광도파로의 결합부의 상태를 나타낸 설명도.

Claims (6)

  1. 루우프 형상으로 구성된 광화이버와, 이 광화이버에 광학적으로 접속된 고체광도파로로 구성된 광로를 갖는 광간섭계에 있어서, 상기 고체광도파로를 통과하는 광을 광변조하기 위한 표면음향파를 발생하는 전극이, 상기 고체광도파로를 형성하는 기판의 표면사에 일체적으로 형성되어 있는 것을 특징으로 하는 고체화 광간섭계.
  2. 상기 기판상의 상기 고체광도파로는 서로 소정의 각도로 교차하도록 상기 기판상에 있어서 배치된 2개의 입력광도파로와, 최소한 하나의 출력광도파로로 구성되며, 상기 2개의 입력광도파로에서 입력한 광이 상기 표면음향파에 의해 합파되어서 간섭광으로 된 다음, 상기 출력광도파로에서 꺼내지는 것을 특징으로 하는 특허청구의 범위 1기재의 고체화 광간섭계.
  3. 상기 기판상의 전극은 광변조발진장치에 접속되어 있고, 이 광변조발진장치의 발진출력이 상기 간섭광에 의해 제어되며, 이제어는 상기 간섭광의 상기 합파에 의해 생긴 위상변화를 소거하는 방향으로 상기 발진출력이 제어되는 것을 특징으로 하는 특허청구 범위 2기재의 고체화 광간섭계.
  4. 상기 광로에 레이저광을 통하게 하기 위한 레이저광 발생회로를 구비하고, 이 레이저광 발생회로는 상기 광로에 있어서 정재파의 발생을 방지하기 위한 회로이며, 상기 레이저광의 파장을 약간, 그리고 항상 변화시키는 회로를 포함하는 것을 특징으로 하는 특허청구의 범위 1기재의 고체화 광간섭계.
  5. 상기 간섭광을 이용하여 차량의 방위변화를 검출하는 검출회로 및 상기 차량이 주행 정지하고 있는 동안 상기 검출회로의 출력에 발생하는 변동을 수정하는 회로를 구비한 것을 특징으로 하는 특허청구의 범위 2기재의 고체화 광간섭계.
  6. 상기 간섭광을 이용하여 차량의 방위변화를 검출회로 및 상기 차량이 주행 정지하고 있는 동안 상기 검출회로의 출력에 생기는 변동을 평균화하는 회로로 구비한 것을 특징으로 하는 특허청구의 범위 3기재의 고체화 광간섭계.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840006393A 1983-10-17 1984-10-16 고체화 광간섭계 KR900008266B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP83-192494 1983-10-17
JP58192494A JPS6085312A (ja) 1983-10-17 1983-10-17 固体化干渉計

Publications (2)

Publication Number Publication Date
KR850003223A true KR850003223A (ko) 1985-06-13
KR900008266B1 KR900008266B1 (ko) 1990-11-10

Family

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Application Number Title Priority Date Filing Date
KR1019840006393A KR900008266B1 (ko) 1983-10-17 1984-10-16 고체화 광간섭계

Country Status (5)

Country Link
US (1) US4708480A (ko)
EP (1) EP0141331B1 (ko)
JP (1) JPS6085312A (ko)
KR (1) KR900008266B1 (ko)
DE (1) DE3484642D1 (ko)

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Also Published As

Publication number Publication date
US4708480A (en) 1987-11-24
EP0141331A2 (en) 1985-05-15
DE3484642D1 (de) 1991-07-04
EP0141331A3 (en) 1987-05-13
JPH0477844B2 (ko) 1992-12-09
KR900008266B1 (ko) 1990-11-10
JPS6085312A (ja) 1985-05-14
EP0141331B1 (en) 1991-05-29

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