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

고체화 광간섭계(固體化光干涉計) Download PDF

Info

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
Authority
KR
South Korea
Prior art keywords
optical
circuit
output
light
interferometer
Prior art date
Application number
KR1019840006393A
Other languages
English (en)
Other versions
KR900008266B1 (ko
Inventor
다까오 사사야마 (외 4)
Original Assignee
미다 가쓰시게
가부시기 가이샤 히다찌 세이사꾸쇼
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 미다 가쓰시게, 가부시기 가이샤 히다찌 세이사꾸쇼 filed Critical 미다 가쓰시게
Publication of KR850003223A publication Critical patent/KR850003223A/ko
Application granted granted Critical
Publication of KR900008266B1 publication Critical patent/KR900008266B1/ko

Links

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

Landscapes

  • 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)
  • Spectrometry And Color Measurement (AREA)
  • Instruments For Measurement Of Length By Optical Means (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

ID=16292236

Family Applications (1)

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)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61296223A (ja) * 1985-06-24 1986-12-27 Nippon Telegr & Teleph Corp <Ntt> 光周波数計
JPS625104A (ja) * 1985-07-01 1987-01-12 Omron Tateisi Electronics Co 導波型光変位センサ
DE3527274A1 (de) * 1985-08-01 1987-02-05 Northrop Corp Passives duennfilm-ringresonator-lasergyroskop
FR2590015B1 (fr) * 1985-11-08 1988-12-09 Thomson Csf Dispositif interferometrique en anneau reciproque a fibre optique monomode
JP2655647B2 (ja) * 1987-07-07 1997-09-24 株式会社トプコン 光集積回路型干渉計
DE4027024A1 (de) * 1990-08-27 1992-03-05 Standard Elektrik Lorenz Ag Faserkreisel
US5365338A (en) * 1991-05-28 1994-11-15 The United States Of America As Represented By The Secretary Of The Navy Wavelength sensor for fiber optic gyroscope
US5229831A (en) * 1991-09-20 1993-07-20 The Charles Stark Draper Laboratory, Inc. Ultraminiature tactical grade cryogenic RFOG
JP3975066B2 (ja) * 2001-10-12 2007-09-12 株式会社トプコン レーザ発振装置
GB0322859D0 (en) * 2003-09-30 2003-10-29 British Telecomm Communication
US7667849B2 (en) * 2003-09-30 2010-02-23 British Telecommunications Public Limited Company Optical sensor with interferometer for sensing external physical disturbance of optical communications link
GB0407386D0 (en) 2004-03-31 2004-05-05 British Telecomm Monitoring a communications link
GB0421747D0 (en) 2004-09-30 2004-11-03 British Telecomm Distributed backscattering
EP1794904A1 (en) 2004-09-30 2007-06-13 British Telecommunications Public Limited Company Identifying or locating waveguides
KR20070095909A (ko) 2004-12-17 2007-10-01 브리티쉬 텔리커뮤니케이션즈 파블릭 리미티드 캄퍼니 네트워크 평가 방법
GB0427733D0 (en) * 2004-12-17 2005-01-19 British Telecomm Optical system
GB0504579D0 (en) * 2005-03-04 2005-04-13 British Telecomm Communications system
WO2006092606A1 (en) * 2005-03-04 2006-09-08 British Telecommunications Public Limited Company Acousto-optical modulator arrangement
EP1708388A1 (en) 2005-03-31 2006-10-04 British Telecommunications Public Limited Company Communicating information
US20090054809A1 (en) * 2005-04-08 2009-02-26 Takeharu Morishita Sampling Device for Viscous Sample, Homogenization Method for Sputum and Method of Detecting Microbe
EP1713301A1 (en) 2005-04-14 2006-10-18 BRITISH TELECOMMUNICATIONS public limited company Method and apparatus for communicating sound over an optical link
EP1729096A1 (en) * 2005-06-02 2006-12-06 BRITISH TELECOMMUNICATIONS public limited company Method and apparatus for determining the position of a disturbance in an optical fibre
CA2643345A1 (en) 2006-02-24 2007-08-30 British Telecommunications Public Limited Company Sensing a disturbance
EP1826924A1 (en) 2006-02-24 2007-08-29 BRITISH TELECOMMUNICATIONS public limited company Sensing a disturbance
ATE505861T1 (de) 2006-02-24 2011-04-15 British Telecomm Erfassen einer störung
EP2002219B1 (en) 2006-04-03 2014-12-03 BRITISH TELECOMMUNICATIONS public limited company Evaluating the position of a disturbance
WO2009065086A2 (en) * 2007-11-15 2009-05-22 The Board Of Trustees Of The Leland Stanford Junior University Low-noise fiber-optic sensor utilizing a laser source
US8223340B2 (en) * 2007-11-15 2012-07-17 The Board Of Trustees Of The Leland Stanford Junior University Laser-driven optical gyroscope having a non-negligible source coherence length
JP6162893B2 (ja) 2013-06-20 2017-07-12 トゥビタク（ティルカイエ ビリミシール ベ テクノロジャイケ アリアステリマ クルム） 回転速度の均一影響下での干渉型光ファイバジャイロスコープ（ｉｆｏｇ）の瞬間ゼロ回転速度電圧の動的な監視及び導出
EP3631361A4 (en) * 2017-05-30 2021-02-24 California Institute of Technology INTEGRATED OPTICAL GYRO WITH NOISE REDUCTION

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138196A (en) * 1977-07-06 1979-02-06 The United States Of America As Represented By The Secretary Of The Army Fiber interferometer rotary motion sensor
US4208128A (en) * 1978-08-23 1980-06-17 Rockwell International Corporation Interferometer gyro using heterodyne phase detection without severe light source coherence requirements
US4273445A (en) * 1978-08-23 1981-06-16 Rockwell International Corporation Interferometer gyroscope formed on a single plane optical waveguide
US4326803A (en) * 1979-09-20 1982-04-27 Northrop Corporation Thin film laser gyro
FR2490835A1 (fr) * 1980-08-29 1982-03-26 Thomson Csf Structure optique integree a couplage directionnel conforme
JPS58182507A (ja) * 1982-04-20 1983-10-25 Nippon Denso Co Ltd 角速度検出装置
JPS5932870A (ja) * 1982-08-17 1984-02-22 Nippon Denso Co Ltd 角速度検出装置

Also Published As

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

Similar Documents

Publication Publication Date Title
KR850003223A (ko) 고체화 광간섭계(固體化光干涉計)
US4853534A (en) Optical fiber sensing system
US4976507A (en) Sagnac distributed sensor
KR930020782A (ko) 레이저광 발생 장치
US4208128A (en) Interferometer gyro using heterodyne phase detection without severe light source coherence requirements
WO1989008356A1 (en) Method and apparatus for modulating a semiconductor laser
US5471301A (en) Optical fiber gyro
KR840004581A (ko) 표면의 미소 변위를 검출하기 위한 개량된 광학섬유 감지기
KR960043372A (ko) 제2고조파 발생 방법 및 장치
JPH061912B2 (ja) 周波数偏移変調光送信装置
US5327214A (en) Optical interferometric gyro having reduced return light to the light source
JPS6323381A (ja) 受動リング共振器角速度センサ
US5394242A (en) Fiber optic resonant ring sensor and source
GB2121532A (en) Fibre optic gyroscope
JP2779038B2 (ja) 光導波路装置
US6490068B1 (en) Linear analog optical communication system with two transmitted beams and phase modulation
JPS6152634A (ja) 半導体レ−ザ光変復調方式
CN212935132U (zh) 一种用于冷原子干涉仪的激光锁频光路
JPH0954128A (ja) 反射型光電界センサ
JP2548044B2 (ja) 光干渉角速度計
JPH03221908A (ja) 光電変換素子モジュール
KR840007181A (ko) 케르 효과 보상 간섭계
JPS61246615A (ja) 光学式ジヤイロスコ−プ
JPH06235641A (ja) 光ファイバジャイロスコープ
JPS63137494A (ja) 半導体レ−ザの周波数安定化装置

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20001031

Year of fee payment: 11

LAPS Lapse due to unpaid annual fee