NL2023992B1 - Tapered fiber optic acceleration sensor system - Google Patents

Tapered fiber optic acceleration sensor system Download PDF

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Publication number
NL2023992B1
NL2023992B1 NL2023992A NL2023992A NL2023992B1 NL 2023992 B1 NL2023992 B1 NL 2023992B1 NL 2023992 A NL2023992 A NL 2023992A NL 2023992 A NL2023992 A NL 2023992A NL 2023992 B1 NL2023992 B1 NL 2023992B1
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NL
Netherlands
Prior art keywords
fiber
acceleration sensor
coupler
demodulator
cavity
Prior art date
Application number
NL2023992A
Other languages
English (en)
Dutch (nl)
Inventor
Liu Qi
Chen Shaojie
Chai Jing
Original Assignee
Univ Shandong Science & Tech
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 Univ Shandong Science & Tech filed Critical Univ Shandong Science & Tech
Application granted granted Critical
Publication of NL2023992B1 publication Critical patent/NL2023992B1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/093—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by photoelectric pick-up
    • 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
    • G01D5/35306—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 an interferometer arrangement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/03—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses by using non-electrical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Gyroscopes (AREA)
  • Pressure Sensors (AREA)
NL2023992A 2019-04-12 2019-10-10 Tapered fiber optic acceleration sensor system NL2023992B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910294026.4A CN110018329B (zh) 2019-04-12 2019-04-12 锥形体光纤加速度传感器***

Publications (1)

Publication Number Publication Date
NL2023992B1 true NL2023992B1 (en) 2020-08-28

Family

ID=67191166

Family Applications (1)

Application Number Title Priority Date Filing Date
NL2023992A NL2023992B1 (en) 2019-04-12 2019-10-10 Tapered fiber optic acceleration sensor system

Country Status (4)

Country Link
CN (1) CN110018329B (zh)
NL (1) NL2023992B1 (zh)
WO (1) WO2020206836A1 (zh)
ZA (1) ZA202101598B (zh)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799752A (en) * 1987-09-21 1989-01-24 Litton Systems, Inc. Fiber optic gradient hydrophone and method of using same
US5420688A (en) * 1992-12-14 1995-05-30 Farah; John Interferometric fiber optic displacement sensor
US20100199773A1 (en) * 2007-10-30 2010-08-12 Tea Time Partners, L.P. Method and apparatus for noise reduction in ultrasound detection
CN106053882A (zh) * 2016-08-15 2016-10-26 南京理工大学 一种双端固支梁式光纤加速度传感器
CN108344880A (zh) * 2018-02-13 2018-07-31 北京大学 一种不等臂长迈克尔逊光纤加速度计及其传感方法
CN108931262A (zh) * 2018-06-01 2018-12-04 北京华工信息技术有限公司 一种用于监测建筑结构安全的光纤传感***

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SU1130805A1 (ru) * 1982-12-06 1984-12-23 МВТУ им.Н.Э.Баумана Датчик линейных ускорений
CN2599600Y (zh) * 2003-01-28 2004-01-14 天津大学 顺变柱体全光纤双光路加速度地震检波器
US7137299B2 (en) * 2005-04-21 2006-11-21 Northrop Grumman Corporation Fiber optic accelerometer
CN1987486B (zh) * 2006-12-26 2010-05-19 清华大学 集成光栅干涉微机械加速度传感器及其制作方法
CN201247049Y (zh) * 2008-09-10 2009-05-27 山东大学 一种用于测试动态应变、振动、加速度的测量装置
CN101639485A (zh) * 2009-08-27 2010-02-03 深圳大学 一种光纤加速度传感器
CN101788569B (zh) * 2009-12-31 2012-05-23 中国科学院声学研究所 一种光纤加速度传感器探头及加速度传感器***
CN101937008A (zh) * 2010-07-23 2011-01-05 燕山大学 杆-梁结构六维加速度传感器
CN102162757B (zh) * 2010-12-02 2012-05-30 山东科技大学 一种光纤光栅土压力传感器
CN102495235A (zh) * 2011-11-14 2012-06-13 武汉理工大学 三维加速度测量的光纤光栅传感器
CN102411065A (zh) * 2011-12-09 2012-04-11 安徽大学 激光自混合型加速度传感器
JP2014032054A (ja) * 2012-08-02 2014-02-20 Kagawa Univ 加速度センサ
CN108205070B (zh) * 2016-12-19 2020-01-07 中国石油天然气股份有限公司 光纤加速度传感器
CN109030865A (zh) * 2018-10-09 2018-12-18 贵阳学院 一种哑铃滑块式光纤加速度传感器及其使用方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799752A (en) * 1987-09-21 1989-01-24 Litton Systems, Inc. Fiber optic gradient hydrophone and method of using same
US5420688A (en) * 1992-12-14 1995-05-30 Farah; John Interferometric fiber optic displacement sensor
US20100199773A1 (en) * 2007-10-30 2010-08-12 Tea Time Partners, L.P. Method and apparatus for noise reduction in ultrasound detection
CN106053882A (zh) * 2016-08-15 2016-10-26 南京理工大学 一种双端固支梁式光纤加速度传感器
CN108344880A (zh) * 2018-02-13 2018-07-31 北京大学 一种不等臂长迈克尔逊光纤加速度计及其传感方法
CN108931262A (zh) * 2018-06-01 2018-12-04 北京华工信息技术有限公司 一种用于监测建筑结构安全的光纤传感***

Also Published As

Publication number Publication date
CN110018329A (zh) 2019-07-16
WO2020206836A1 (zh) 2020-10-15
CN110018329B (zh) 2020-10-16
ZA202101598B (en) 2021-10-27

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Effective date: 20221101