ATE254759T1 - Optischer phasendetektor - Google Patents

Optischer phasendetektor

Info

Publication number
ATE254759T1
ATE254759T1 AT99949140T AT99949140T ATE254759T1 AT E254759 T1 ATE254759 T1 AT E254759T1 AT 99949140 T AT99949140 T AT 99949140T AT 99949140 T AT99949140 T AT 99949140T AT E254759 T1 ATE254759 T1 AT E254759T1
Authority
AT
Austria
Prior art keywords
optical
phase
phase detector
difference
inputs
Prior art date
Application number
AT99949140T
Other languages
English (en)
Inventor
Meirion Lewis
Rebecca Wilson
Peter Sample
Original Assignee
Qinetiq 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 Qinetiq Ltd filed Critical Qinetiq Ltd
Application granted granted Critical
Publication of ATE254759T1 publication Critical patent/ATE254759T1/de

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1303—Stabilisation of laser output parameters, e.g. frequency or amplitude by using a passive reference, e.g. absorption cell
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/02—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by interferometric methods

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Gyroscopes (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
AT99949140T 1998-09-22 1999-09-22 Optischer phasendetektor ATE254759T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9820493.6A GB9820493D0 (en) 1998-09-22 1998-09-22 Optical phase detector
PCT/GB1999/003179 WO2000017613A1 (en) 1998-09-22 1999-09-22 Optical phase detector

Publications (1)

Publication Number Publication Date
ATE254759T1 true ATE254759T1 (de) 2003-12-15

Family

ID=10839174

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99949140T ATE254759T1 (de) 1998-09-22 1999-09-22 Optischer phasendetektor

Country Status (11)

Country Link
US (1) US6891149B1 (de)
EP (1) EP1116012B1 (de)
JP (1) JP2002525597A (de)
KR (1) KR20010075299A (de)
CN (1) CN1328637A (de)
AT (1) ATE254759T1 (de)
AU (1) AU755090B2 (de)
CA (1) CA2343780C (de)
DE (1) DE69912969T2 (de)
GB (1) GB9820493D0 (de)
WO (1) WO2000017613A1 (de)

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CN103063240B (zh) * 2012-12-21 2015-04-22 新疆美特智能安全工程股份有限公司 一种基于相位载波技术的光纤传感装置
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KR101527601B1 (ko) * 2013-12-12 2015-06-09 한국광기술원 위상광 측정 시스템과 그 측정방법
KR101796443B1 (ko) 2014-06-10 2017-11-10 한국광기술원 위상광 측정 시스템
US9212912B1 (en) 2014-10-24 2015-12-15 Honeywell International Inc. Ring laser gyroscope on a chip with doppler-broadened gain medium
WO2016152108A1 (ja) * 2015-03-25 2016-09-29 日本電気株式会社 光測定装置
CN107894204B (zh) * 2016-10-04 2020-02-21 财团法人工业技术研究院 干涉仪及其成像方法
KR102457640B1 (ko) * 2017-08-01 2022-10-21 조에티스 서비시즈 엘엘씨 배지를 식별하기 위한 장치 및 관련 난 식별 장치 및 방법
CN107332611B (zh) * 2017-08-04 2023-05-12 中国电子科技集团公司第三十四研究所 一种数字信号控制的光纤相位补偿器及补偿方法
CN107302399B (zh) * 2017-08-04 2023-05-12 中国电子科技集团公司第三十四研究所 一种模数混合控制的光纤相位补偿器及补偿方法
US10627496B2 (en) * 2017-08-24 2020-04-21 Toyota Motor Engineering & Manufacturing North America, Inc. Photonics integrated phase measurement
US11005178B2 (en) * 2017-11-21 2021-05-11 Phase Sensitive Innovations, Inc. Antenna and antenna array configurations, antenna systems and related methods of operation
CN109211356B (zh) * 2018-11-09 2023-10-10 珠海任驰光电科技有限公司 一种基于移频技术的光纤干涉水位传感器及传感方法
JP7103602B2 (ja) * 2018-11-12 2022-07-20 日本電信電話株式会社 光偏微分演算装置および光ニューラルネットワーク
CN114285479B (zh) * 2021-11-29 2023-05-05 北京印刷学院 一种32倍频毫米波及太赫兹波的光子生成方法
CN114252867B (zh) * 2022-02-28 2022-05-20 深圳市海创光学有限公司 激光雷达光源及其重复频率切换方法
CN117367400B (zh) * 2023-12-04 2024-03-05 江西驰宇光电科技发展有限公司 基于谐振腔程长调节的激光稳频方法及激光陀螺

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Also Published As

Publication number Publication date
AU755090B2 (en) 2002-12-05
DE69912969T2 (de) 2004-09-02
KR20010075299A (ko) 2001-08-09
JP2002525597A (ja) 2002-08-13
AU6212899A (en) 2000-04-10
US6891149B1 (en) 2005-05-10
EP1116012B1 (de) 2003-11-19
EP1116012A1 (de) 2001-07-18
CN1328637A (zh) 2001-12-26
WO2000017613A1 (en) 2000-03-30
GB9820493D0 (en) 1998-11-11
CA2343780C (en) 2008-06-17
CA2343780A1 (en) 2000-03-30
DE69912969D1 (de) 2003-12-24

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Legal Events

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