NO20045125L - Hoyopploslig fiberlaser-sensor - Google Patents

Hoyopploslig fiberlaser-sensor

Info

Publication number
NO20045125L
NO20045125L NO20045125A NO20045125A NO20045125L NO 20045125 L NO20045125 L NO 20045125L NO 20045125 A NO20045125 A NO 20045125A NO 20045125 A NO20045125 A NO 20045125A NO 20045125 L NO20045125 L NO 20045125L
Authority
NO
Norway
Prior art keywords
fiber
laser
sensor
fiber laser
light
Prior art date
Application number
NO20045125A
Other languages
English (en)
Norwegian (no)
Inventor
Hubert Brandle
Klaus Bohnert
Karim Haroud
Andreas Frank
Original Assignee
Vetco Gray Controls 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 Vetco Gray Controls Ltd filed Critical Vetco Gray Controls Ltd
Publication of NO20045125L publication Critical patent/NO20045125L/no

Links

Classifications

    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre lasers
    • 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
    • G01D5/344—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 using polarisation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
    • G01L1/246—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using integrated gratings, e.g. Bragg gratings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/02—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means
    • G01L11/025—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means using a pressure-sensitive optical fibre
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0076—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means
    • G01L9/0077—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light
    • G01L9/0079—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light with Fabry-Perot arrangements
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06712—Polarising fibre; Polariser
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08018—Mode suppression
    • H01S3/08022—Longitudinal modes
    • H01S3/08031—Single-mode emission
    • 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
    • H01S3/105—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
    • H01S3/1053—Control by pressure or deformation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
NO20045125A 2002-04-30 2004-11-24 Hoyopploslig fiberlaser-sensor NO20045125L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02405353A EP1359394A1 (fr) 2002-04-30 2002-04-30 Capteur laser à fibre optique de haute résolution
PCT/CH2003/000277 WO2003093770A1 (fr) 2002-04-30 2003-04-29 Detecteur a laser a fibre a haute resolution

Publications (1)

Publication Number Publication Date
NO20045125L true NO20045125L (no) 2005-01-28

Family

ID=28799767

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20045125A NO20045125L (no) 2002-04-30 2004-11-24 Hoyopploslig fiberlaser-sensor

Country Status (6)

Country Link
US (1) US7251023B2 (fr)
EP (2) EP1359394A1 (fr)
AU (1) AU2003218858A1 (fr)
BR (1) BRPI0309675B1 (fr)
NO (1) NO20045125L (fr)
WO (1) WO2003093770A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004037519B4 (de) * 2004-07-30 2008-12-18 Universität Kassel Sensor-Vorrichtung und Verfahren zur Ermittlung einer physikalischen Größe
GB0500277D0 (en) * 2005-01-07 2005-02-16 Southampton Photonics Ltd Apparatus for propagating optical radiation
KR100640006B1 (ko) * 2005-10-14 2006-11-01 한국전자통신연구원 광학적 클럭 신호 추출 장치 및 방법
WO2007066747A1 (fr) * 2005-12-09 2007-06-14 Matsushita Electric Industrial Co., Ltd. Laser a fibre
FR2929000B1 (fr) * 2008-03-18 2010-04-09 Thales Sa Capteur a fibre optique auto-reference et reseau de capteurs associe
WO2010054262A1 (fr) * 2008-11-07 2010-05-14 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Mesure de torsion de fibres par suivi de polarisation
EP2646862B1 (fr) * 2010-12-02 2020-09-23 Ofs Fitel Llc Capteur courbe de laser à fibre dfb et microphone hétérodyne optique
DE102012214441B4 (de) * 2012-08-14 2020-08-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Messverfahren
US10101226B2 (en) * 2013-08-23 2018-10-16 Foce Technology International Bv Pressure sensor utilizing Bragg grating with single mode fiber
US9341532B2 (en) * 2014-03-24 2016-05-17 General Electric Company Systems and methods for distributed pressure sensing
CN106773014A (zh) * 2016-12-12 2017-05-31 南京大学 一种提高光纤液压传感器灵敏度的复合双腔结构
WO2019205028A1 (fr) * 2018-04-25 2019-10-31 深圳大学 Capteur de pression de laser à fibre optique et procédé de mesure de pression associé
DE112020003053T5 (de) * 2019-06-24 2022-08-11 Nlight, Inc. Funktional homogenisierte Intensitätsverteilung für die additive Fertigung oder andere industrielle Laserbearbeitungsanwendungen
US11761828B2 (en) * 2020-04-14 2023-09-19 Ultra Communications, Inc. Single wavelength fiber grating sensing with spatial location
IT202000032027A1 (it) * 2020-12-23 2022-06-23 Brembo Spa Metodo e sistema per interrogare un sensore fibre bragg grating birifrangente, impiegante rilevazione ottica eterodina
CN113049014B (zh) * 2021-03-10 2022-04-15 太原理工大学 一种基于泵浦光扫频的时频复用botda系统及传感方法
US11656140B1 (en) 2022-04-25 2023-05-23 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Coated fiber optic pressure sensor with improved acceleration response

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5513913A (en) * 1993-01-29 1996-05-07 United Technologies Corporation Active multipoint fiber laser sensor
KR960015900B1 (ko) * 1993-04-22 1996-11-23 국방과학연구소 광섬유 레이저를 이용한 물리량 측정장치
NO302441B1 (no) * 1995-03-20 1998-03-02 Optoplan As Fiberoptisk endepumpet fiber-laser
GB2323441B (en) * 1997-03-22 2001-02-14 British Aerospace Apparatus for sensing temperature and/or strain in an object
US6801686B2 (en) * 1997-06-06 2004-10-05 Novera Optics, Inc. Methods and apparatus for measuring the power spectrum of optical signals
US6640027B2 (en) * 1997-06-06 2003-10-28 Novera Optics, Inc. Gain flattening tunable filter
DE19807891A1 (de) * 1998-02-25 1999-08-26 Abb Research Ltd Faserlaser-Drucksensor
US6188712B1 (en) * 1998-11-04 2001-02-13 Optigain, Inc. Asymmetrical distributed feedback fiber laser
US6246048B1 (en) * 1999-05-18 2001-06-12 Schlumberger Technology Corporation Methods and apparatus for mechanically enhancing the sensitivity of longitudinally loaded fiber optic sensors
NO321724B1 (no) * 1999-06-15 2006-06-26 Optoplan As Framgangsmate og anordning for malinger av de ortogonalt polariserte Bragg-bolgelengdene fra fiber-Bragg-gitter
US6532321B1 (en) * 2000-02-16 2003-03-11 Adc Telecommunications, Inc. Fiber optic isolator for use with multiple-wavelength optical signals

Also Published As

Publication number Publication date
US7251023B2 (en) 2007-07-31
EP1359394A1 (fr) 2003-11-05
BR0309675A (pt) 2005-02-15
WO2003093770A1 (fr) 2003-11-13
AU2003218858A1 (en) 2003-11-17
EP1499859A1 (fr) 2005-01-26
US20060013534A1 (en) 2006-01-19
BRPI0309675B1 (pt) 2016-11-29

Similar Documents

Publication Publication Date Title
NO20045125L (no) Hoyopploslig fiberlaser-sensor
CN103234672B (zh) 基于双折射晶体温度补偿的光纤压力传感器及其制作方法
CN103644990A (zh) 紧凑型玻璃表面应力测量仪
CN203587256U (zh) 紧凑型玻璃表面应力测量仪
CN104729998A (zh) 基于光腔衰荡光谱技术的大气能见度测量装置
CN204255613U (zh) 一种Sagnac环形光路内嵌入非平衡Mach-Zehnder型光程扫描器的光学自相关仪
De Paula et al. Broad-band ultrasonic sensor based on induced optical phase shifts in single-mode fibers
RU94045131A (ru) Волоконно-оптический пропускающий чувствительный элемент с модулятором
CN104677596A (zh) 一种Sagnac环形光路内嵌入非平衡Mach-Zehnder型光程扫描器的光学自相关仪
WO2016127321A1 (fr) Capteur laser annulaire
CN104634369A (zh) 一种环形激光器传感器
CN104634370A (zh) 一种基于激光器的传感器
Yu et al. Theoretical and experimental investigation of fiber Bragg gratings with different lengths for ultrasonic detection
CN110196071A (zh) 基于法布里珀罗腔侧抛光纤传感器及其制备方法
WO2016127323A1 (fr) Capteur laser
CN205449324U (zh) 一种基于激光拍频实现错位光纤测温的装置
Shi et al. A method of the detection of marine pollution based on the measurement of refractive index
CN101819143A (zh) 气体折射率传感元件及传感装置
JP2650998B2 (ja) 液体、気体等の検知用光ファイバ
RU175215U1 (ru) Волоконно-оптическое устройство измерения показателя преломления
JP5374762B2 (ja) 反射型複屈折率測定装置
CN204535727U (zh) 一种环形激光器传感器
CN213021929U (zh) 基于光纤传感器的燃气管道振动测量装置
SU932219A1 (ru) Двухлучевой интерферометр
CN206095417U (zh) 金属材料表面振动光探测装置

Legal Events

Date Code Title Description
RE Reestablishment of rights (par. 72 patents act)
CHAD Change of the owner's name or address (par. 44 patent law, par. patentforskriften)

Owner name: GE OIL & GAS UK LIMITED, GB

FC2A Withdrawal, rejection or dismissal of laid open patent application