DE602007001785D1 - Interferometrischer Fasersensor und Verfahren zur Phasenkompensation eines PGC-Demodulators - Google Patents

Interferometrischer Fasersensor und Verfahren zur Phasenkompensation eines PGC-Demodulators

Info

Publication number
DE602007001785D1
DE602007001785D1 DE602007001785T DE602007001785T DE602007001785D1 DE 602007001785 D1 DE602007001785 D1 DE 602007001785D1 DE 602007001785 T DE602007001785 T DE 602007001785T DE 602007001785 T DE602007001785 T DE 602007001785T DE 602007001785 D1 DE602007001785 D1 DE 602007001785D1
Authority
DE
Germany
Prior art keywords
phase
pgc demodulator
coupled
phase compensation
pgc
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
DE602007001785T
Other languages
English (en)
Inventor
Shih-Chu Huang
Hermann Lin
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.)
NXTAR TECHNOLOGIES Inc
Original Assignee
NXTAR TECHNOLOGIES Inc
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 NXTAR TECHNOLOGIES Inc filed Critical NXTAR TECHNOLOGIES Inc
Publication of DE602007001785D1 publication Critical patent/DE602007001785D1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G01D5/353—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 influencing the transmission properties of an optical fibre
    • G01D5/35303—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 influencing the transmission properties of an optical fibre using a reference fibre, e.g. interferometric devices
    • 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
    • G01D5/36—Forming the light into pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DE602007001785T 2007-04-26 2007-04-26 Interferometrischer Fasersensor und Verfahren zur Phasenkompensation eines PGC-Demodulators Expired - Fee Related DE602007001785D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07251757A EP1985967B1 (de) 2007-04-26 2007-04-26 Interferometrischer Fasersensor und Verfahren zur Phasenkompensation eines PGC-Demodulators

Publications (1)

Publication Number Publication Date
DE602007001785D1 true DE602007001785D1 (de) 2009-09-10

Family

ID=38283063

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007001785T Expired - Fee Related DE602007001785D1 (de) 2007-04-26 2007-04-26 Interferometrischer Fasersensor und Verfahren zur Phasenkompensation eines PGC-Demodulators

Country Status (3)

Country Link
EP (1) EP1985967B1 (de)
AT (1) ATE438079T1 (de)
DE (1) DE602007001785D1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102072761B (zh) * 2010-12-06 2012-04-18 中国船舶重工集团公司第七一五研究所 一种基于光相位解调仪的相移灵敏度通用校准系统及方法
CN102359797B (zh) * 2011-07-08 2014-05-07 清华大学 用于光纤水听器中pgc系统降噪的系统及方法
CN103398732B (zh) * 2013-08-08 2015-11-18 天津大学 基于频谱非线性效应色散补偿的低相干干涉解调方法
CN107453836B (zh) * 2017-09-12 2023-05-23 中国电子科技集团公司第三十四研究所 一种级联光纤相位补偿器和光纤传输系统
CN107843189B (zh) * 2017-09-30 2019-12-27 浙江理工大学 正弦相位调制干涉仪pgc解调实时归一化修正装置及方法
CN109459070B (zh) 2018-11-15 2020-04-28 浙江理工大学 一种pgc相位解调法中相位延迟提取与补偿方法
CN109361636A (zh) * 2018-12-05 2019-02-19 珠海任驰光电科技有限公司 一种基于相位生成载波的解调装置及方法
CN110836639A (zh) * 2019-10-28 2020-02-25 哈尔滨工业大学 相位生成载波微分交叉相乘载波延迟和伴生调幅消除方法
CN110836638A (zh) * 2019-10-28 2020-02-25 哈尔滨工业大学 相位生成载波反正切中载波相位延迟和伴生调幅消除方法
CN110646020B (zh) * 2019-10-30 2023-01-24 电子科技大学中山学院 一种光纤干涉装置及方法
CN111865421B (zh) * 2020-08-05 2021-09-07 中国电子科技集团公司第三十四研究所 一种高精度光纤干涉仪的光纤相位补偿器
CN112344974B (zh) * 2020-10-21 2022-05-20 北京自动化控制设备研究所 用于干涉型光纤传感器的相位解调系统及解调方法
CN113783612B (zh) * 2021-09-18 2023-06-20 中国电子科技集团公司第三十四研究所 一种光纤稳相传输设备的校准装置
CN113746545B (zh) * 2021-09-18 2023-06-20 中国电子科技集团公司第三十四研究所 一种用于光纤稳相传输设备的校准装置
CN113932726B (zh) * 2021-10-14 2024-02-23 安徽大学 基于双信号相位差的低频应变检测系统及检测方法
CN114337844B (zh) * 2022-03-07 2022-06-24 鹏城实验室 一种相位补偿方法、装置、终端及存储介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5212825A (en) * 1990-11-09 1993-05-18 Litton Systems, Inc. Synthetic heterodyne demodulator circuit
US6449046B1 (en) * 1999-05-17 2002-09-10 Chung-Shan Institute Of Science And Technology Optically amplified WDM/TDM hybrid polarization-insensitive fiber-optic interferometric sensor system
US7336365B2 (en) * 2005-02-11 2008-02-26 Optoplan As Method and apparatus for suppression of crosstalk and noise in time-division multiplexed interferometric sensor systems

Also Published As

Publication number Publication date
ATE438079T1 (de) 2009-08-15
EP1985967A1 (de) 2008-10-29
EP1985967B1 (de) 2009-07-29

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