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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (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
JPWO2007066747A1 (ja) * 2005-12-09 2009-05-21 パナソニック株式会社 ファイバーレーザ
FR2929000B1 (fr) * 2008-03-18 2010-04-09 Thales Sa Capteur a fibre optique auto-reference et reseau de capteurs associe
US8335405B2 (en) * 2008-11-07 2012-12-18 The United States Of America, As Represented By The Secretary Of The Navy Method and apparatus for measuring fiber twist by polarization tracking
JP2014500497A (ja) * 2010-12-02 2014-01-09 オーエフエス ファイテル，エルエルシー Ｄｆｂファイバレーザ曲げセンサ、および光ヘテロダインマイクロフォン
DE102012214441B4 (de) * 2012-08-14 2020-08-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Messverfahren
JP6541659B2 (ja) * 2013-08-23 2019-07-10 フォセ テクノロジー インテルナシオナル ベー ヴェ シングル・モード・ファイバ・ブラッグ・グレーティング圧力センサ
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
JP2022538245A (ja) * 2019-06-24 2022-09-01 エヌライト， インコーポレイテッド 付加製造又は他の産業用レーザー処理用途向けの機能的に均質化された強度分布
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
BR0309675A (pt) 2005-02-15
BRPI0309675B1 (pt) 2016-11-29
WO2003093770A1 (fr) 2003-11-13
US20060013534A1 (en) 2006-01-19
EP1499859A1 (fr) 2005-01-26
US7251023B2 (en) 2007-07-31
AU2003218858A1 (en) 2003-11-17
EP1359394A1 (fr) 2003-11-05

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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