AR008552A1 - Disposicion sensora para sensar un campo de medicion en un entorno - Google Patents

Disposicion sensora para sensar un campo de medicion en un entorno

Info

Publication number
AR008552A1
AR008552A1 ARP970106278A ARP970106278A AR008552A1 AR 008552 A1 AR008552 A1 AR 008552A1 AR P970106278 A ARP970106278 A AR P970106278A AR P970106278 A ARP970106278 A AR P970106278A AR 008552 A1 AR008552 A1 AR 008552A1
Authority
AR
Argentina
Prior art keywords
line
sensing
capillary
sensor arrangement
optical fiber
Prior art date
Application number
ARP970106278A
Other languages
English (en)
Original Assignee
Weaver Nathan Eugene
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 Weaver Nathan Eugene filed Critical Weaver Nathan Eugene
Publication of AR008552A1 publication Critical patent/AR008552A1/es

Links

Classifications

    • 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
    • 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
    • G01D5/35309—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 using multiple waves interferometer
    • G01D5/35316—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 using multiple waves interferometer using a Bragg gratings
    • 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
    • G01D5/35383—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 multiple sensor devices using multiplexing techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
    • G01L19/0627—Protection against aggressive medium in general
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
    • G01L19/0627—Protection against aggressive medium in general
    • G01L19/0645—Protection against aggressive medium in general using isolation membranes, specially adapted for protection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

Una disposicion sensora para sensar un campo de medicion dentro de un entorno incluye una fuente optica, como ser un diodo emisor de luz, paraproporcionar luz de banda ancha a un grupo de elementos sensores acoplados en serie dispuestos dentro de una fibra optica. Cada elemento sensor incluyeun emparrillado de fibras (emparrillado de Bragg), que, cuando es iluminado, refleja una banda angosta de luz que tiene una longitud de onda centralespecificada. La fibra optica está instalada enuna estructura de tubería capilar sellada herméticamente de alta resistencia mecánica. Dentro del tubocapilar, por lo menos en el área de los elementos sensores, la tubería capilar está llena con un material de alta conductividad térmica, muy denso,de baja compresibilidad, como ser un líquido, que llena completamente la totalidad de los espacios huecos dentro de la tubería capilar entre la tuberíay los elementos sensores de modo que las fuerzas de compresion que seanejercidas sobre las superficies externas de la tubería sean transmitidascon precision a los elementos sensores.
ARP970106278A 1996-12-31 1997-12-30 Disposicion sensora para sensar un campo de medicion en un entorno AR008552A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/777,271 US5767411A (en) 1996-12-31 1996-12-31 Apparatus for enhancing strain in intrinsic fiber optic sensors and packaging same for harsh environments

Publications (1)

Publication Number Publication Date
AR008552A1 true AR008552A1 (es) 2000-01-19

Family

ID=25109782

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP970106278A AR008552A1 (es) 1996-12-31 1997-12-30 Disposicion sensora para sensar un campo de medicion en un entorno

Country Status (10)

Country Link
US (1) US5767411A (es)
EP (1) EP0950170B1 (es)
AR (1) AR008552A1 (es)
AU (1) AU5722098A (es)
CA (1) CA2276449C (es)
CO (1) CO4771128A1 (es)
DE (1) DE69715455T2 (es)
NO (1) NO320490B1 (es)
PE (1) PE30599A1 (es)
WO (1) WO1998029717A1 (es)

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6072567A (en) * 1997-02-12 2000-06-06 Cidra Corporation Vertical seismic profiling system having vertical seismic profiling optical signal processing equipment and fiber Bragg grafting optical sensors
US6074503A (en) 1997-04-22 2000-06-13 Cable Design Technologies, Inc. Making enhanced data cable with cross-twist cabled core profile
US6787758B2 (en) * 2001-02-06 2004-09-07 Baker Hughes Incorporated Wellbores utilizing fiber optic-based sensors and operating devices
US6016702A (en) * 1997-09-08 2000-01-25 Cidra Corporation High sensitivity fiber optic pressure sensor for use in harsh environments
US6058226A (en) * 1997-10-24 2000-05-02 D-Star Technologies Llc Optical fiber sensors, tunable filters and modulators using long-period gratings
US6522797B1 (en) 1998-09-01 2003-02-18 Input/Output, Inc. Seismic optical acoustic recursive sensor system
JP4615726B2 (ja) 1998-12-04 2011-01-19 ウェザーフォード／ラム インコーポレーテッド ブラッグ回折格子圧力センサ
CN1153054C (zh) 1998-12-04 2004-06-09 塞德拉公司 布拉格光栅压力传感器
US6528239B1 (en) * 1999-01-15 2003-03-04 Sabeus Photonics, Inc. Method of forming a grating in a waveguide
US6222973B1 (en) 1999-01-15 2001-04-24 D-Star Technologies, Inc. Fabrication of refractive index patterns in optical fibers having protective optical coatings
US6148925A (en) 1999-02-12 2000-11-21 Moore; Boyd B. Method of making a conductive downhole wire line system
US6233746B1 (en) 1999-03-22 2001-05-22 Halliburton Energy Services, Inc. Multiplexed fiber optic transducer for use in a well and method
FR2791768B1 (fr) * 1999-04-01 2001-04-20 Commissariat Energie Atomique Extensometre a reseau de bragg et procede de fabrication de cet extensometre
DE19938978A1 (de) * 1999-08-19 2001-02-22 Abb Research Ltd Faseroptischer Drucksensor
US6439055B1 (en) 1999-11-15 2002-08-27 Weatherford/Lamb, Inc. Pressure sensor assembly structure to insulate a pressure sensing device from harsh environments
AU782553B2 (en) * 2000-01-05 2005-08-11 Baker Hughes Incorporated Method of providing hydraulic/fiber conduits adjacent bottom hole assemblies for multi-step completions
US6626043B1 (en) * 2000-01-31 2003-09-30 Weatherford/Lamb, Inc. Fluid diffusion resistant glass-encased fiber optic sensor
KR100368122B1 (ko) * 2000-05-04 2003-01-15 병 호 이 반사대역폭이 외부 인가 스트레인에 따라 변하는 처핑된 광섬유 격자 센서 및 이를 이용한 스트레인 측정 장치
US6601671B1 (en) 2000-07-10 2003-08-05 Weatherford/Lamb, Inc. Method and apparatus for seismically surveying an earth formation in relation to a borehole
GB0021976D0 (en) * 2000-09-07 2000-10-25 Optomed As Multi-parameter fiber optic probes
NO315762B1 (no) * 2000-09-12 2003-10-20 Optoplan As Sand-detektor
US20040042703A1 (en) * 2002-08-28 2004-03-04 Deaton Thomas M. Method and apparatus for sensing an environmental parameter in a wellbore
US6978832B2 (en) 2002-09-09 2005-12-27 Halliburton Energy Services, Inc. Downhole sensing with fiber in the formation
US6847034B2 (en) * 2002-09-09 2005-01-25 Halliburton Energy Services, Inc. Downhole sensing with fiber in exterior annulus
US6888972B2 (en) * 2002-10-06 2005-05-03 Weatherford/Lamb, Inc. Multiple component sensor mechanism
US20040065437A1 (en) * 2002-10-06 2004-04-08 Weatherford/Lamb Inc. In-well seismic sensor casing coupling using natural forces in wells
GB2396211B (en) 2002-10-06 2006-02-22 Weatherford Lamb Multiple component sensor mechanism
US7036601B2 (en) 2002-10-06 2006-05-02 Weatherford/Lamb, Inc. Apparatus and method for transporting, deploying, and retrieving arrays having nodes interconnected by sections of cable
US7219729B2 (en) * 2002-11-05 2007-05-22 Weatherford/Lamb, Inc. Permanent downhole deployment of optical sensors
US6915686B2 (en) 2003-02-11 2005-07-12 Optoplan A.S. Downhole sub for instrumentation
US7159653B2 (en) 2003-02-27 2007-01-09 Weatherford/Lamb, Inc. Spacer sub
US6957574B2 (en) * 2003-05-19 2005-10-25 Weatherford/Lamb, Inc. Well integrity monitoring system
US6840114B2 (en) * 2003-05-19 2005-01-11 Weatherford/Lamb, Inc. Housing on the exterior of a well casing for optical fiber sensors
US7490664B2 (en) 2004-11-12 2009-02-17 Halliburton Energy Services, Inc. Drilling, perforating and formation analysis
US7397976B2 (en) * 2005-01-25 2008-07-08 Vetco Gray Controls Limited Fiber optic sensor and sensing system for hydrocarbon flow
US8186428B2 (en) * 2007-04-03 2012-05-29 Baker Hughes Incorporated Fiber support arrangement for a downhole tool and method
US7912334B2 (en) * 2007-09-19 2011-03-22 General Electric Company Harsh environment temperature sensing system and method
US9027668B2 (en) 2008-08-20 2015-05-12 Foro Energy, Inc. Control system for high power laser drilling workover and completion unit
US9267330B2 (en) 2008-08-20 2016-02-23 Foro Energy, Inc. Long distance high power optical laser fiber break detection and continuity monitoring systems and methods
US8627901B1 (en) 2009-10-01 2014-01-14 Foro Energy, Inc. Laser bottom hole assembly
US9080425B2 (en) 2008-10-17 2015-07-14 Foro Energy, Inc. High power laser photo-conversion assemblies, apparatuses and methods of use
US9719302B2 (en) 2008-08-20 2017-08-01 Foro Energy, Inc. High power laser perforating and laser fracturing tools and methods of use
US20120261188A1 (en) 2008-08-20 2012-10-18 Zediker Mark S Method of high power laser-mechanical drilling
US9089928B2 (en) 2008-08-20 2015-07-28 Foro Energy, Inc. Laser systems and methods for the removal of structures
US9138786B2 (en) 2008-10-17 2015-09-22 Foro Energy, Inc. High power laser pipeline tool and methods of use
MX355677B (es) 2008-08-20 2018-04-25 Foro Energy Inc Star Método y sistema para hacer avanzar un pozo de perforación utilizando un láser de potencia alta.
US9242309B2 (en) 2012-03-01 2016-01-26 Foro Energy Inc. Total internal reflection laser tools and methods
US9664012B2 (en) 2008-08-20 2017-05-30 Foro Energy, Inc. High power laser decomissioning of multistring and damaged wells
US9074422B2 (en) 2011-02-24 2015-07-07 Foro Energy, Inc. Electric motor for laser-mechanical drilling
US9669492B2 (en) 2008-08-20 2017-06-06 Foro Energy, Inc. High power laser offshore decommissioning tool, system and methods of use
US9244235B2 (en) 2008-10-17 2016-01-26 Foro Energy, Inc. Systems and assemblies for transferring high power laser energy through a rotating junction
US8571368B2 (en) 2010-07-21 2013-10-29 Foro Energy, Inc. Optical fiber configurations for transmission of laser energy over great distances
US9347271B2 (en) 2008-10-17 2016-05-24 Foro Energy, Inc. Optical fiber cable for transmission of high power laser energy over great distances
US9360631B2 (en) 2008-08-20 2016-06-07 Foro Energy, Inc. Optics assembly for high power laser tools
CA2766165C (en) 2009-06-29 2015-03-31 Halliburton Energy Services, Inc. Wellbore laser operations
WO2011012406A1 (de) * 2009-07-30 2011-02-03 Hottinger Baldwin Messtechnik Gmbh Vorrichtung und verfahren zum ortsaufgelösten erfassen von bodenbewegungen
US8720584B2 (en) 2011-02-24 2014-05-13 Foro Energy, Inc. Laser assisted system for controlling deep water drilling emergency situations
US8684088B2 (en) 2011-02-24 2014-04-01 Foro Energy, Inc. Shear laser module and method of retrofitting and use
US8783360B2 (en) 2011-02-24 2014-07-22 Foro Energy, Inc. Laser assisted riser disconnect and method of use
US8783361B2 (en) 2011-02-24 2014-07-22 Foro Energy, Inc. Laser assisted blowout preventer and methods of use
US9845652B2 (en) 2011-02-24 2017-12-19 Foro Energy, Inc. Reduced mechanical energy well control systems and methods of use
US8662165B2 (en) 2010-07-06 2014-03-04 Baker Hughes Incorporated Fiber support arrangement and method
WO2012024285A1 (en) 2010-08-17 2012-02-23 Foro Energy Inc. Systems and conveyance structures for high power long distance laster transmission
US8542955B2 (en) * 2010-10-28 2013-09-24 General Electric Company Gas detection system incorporating fiber gas sensors having fiber bragg gratings
EP2715887A4 (en) 2011-06-03 2016-11-23 Foro Energy Inc PASSIVELY COOLED HIGH ENERGY LASER FIBER ROBUST OPTICAL CONNECTORS AND METHODS OF USE
US20140327919A1 (en) * 2013-05-06 2014-11-06 Halliburton Energy Services. Inc. Remote Seal for Pressure Sensor
CN103953330B (zh) * 2014-04-02 2016-09-14 北京博简复才技术咨询有限公司 深井油气层温度与压力在线集成监测装置及方法
US9624763B2 (en) 2014-09-29 2017-04-18 Baker Hughes Incorporated Downhole health monitoring system and method
US9448312B1 (en) 2015-03-11 2016-09-20 Baker Hughes Incorporated Downhole fiber optic sensors with downhole optical interrogator
NL2015952B1 (en) * 2015-12-11 2017-07-03 Fugro Tech Bv Pressure sensor and sensor system comprising one or more pressure sensors.
CN105725982A (zh) * 2016-01-25 2016-07-06 东华大学 一种基于光纤传感技术的鞋底温度、压力测试鞋垫
CN108917830A (zh) * 2018-06-19 2018-11-30 杭州市质量技术监督检测院 一种具有自感应功能的智能墙体
US20200152354A1 (en) * 2018-11-14 2020-05-14 Minnesota Wire Integrated circuits in cable
CN114252649B (zh) * 2021-12-30 2024-08-23 中北大学 一种光纤流体流速探测装置

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4235113A (en) * 1978-08-21 1980-11-25 Carome Edward F Optical fiber acoustical sensors
EP0066493A1 (en) * 1981-05-15 1982-12-08 Schlumberger Limited Pressure wave fiber optic transducer cable
US5363463A (en) * 1982-08-06 1994-11-08 Kleinerman Marcos Y Remote sensing of physical variables with fiber optic systems
US4547869A (en) * 1983-04-04 1985-10-15 Western Geophysical Company Of America Marine seismic sensor
US5625605A (en) * 1983-09-13 1997-04-29 The United States Of America As Represented By The Secretary Of The Navy Optic bundle towed array
US5574699A (en) * 1983-10-31 1996-11-12 Cuomo; Frank W. Fiber optic lever towed array
US4761073A (en) * 1984-08-13 1988-08-02 United Technologies Corporation Distributed, spatially resolving optical fiber strain gauge
US4589285A (en) * 1984-11-05 1986-05-20 Western Geophysical Co. Of America Wavelength-division-multiplexed receiver array for vertical seismic profiling
EP0241530B1 (en) * 1985-10-21 1990-05-02 Plessey Overseas Limited Sensing system using fibre optic sensors
US4649529A (en) * 1985-12-02 1987-03-10 Exxon Production Research Co. Multi-channel fiber optic sensor system
US4722603A (en) * 1986-06-27 1988-02-02 Chevron Research Company Interferometric means and method for accurate determination of fiber-optic well logging cable length
US5163321A (en) * 1989-10-17 1992-11-17 Baroid Technology, Inc. Borehole pressure and temperature measurement system
US4996419A (en) * 1989-12-26 1991-02-26 United Technologies Corporation Distributed multiplexed optical fiber Bragg grating sensor arrangeement
US5227857A (en) * 1991-04-24 1993-07-13 The United States Of America As Represented By The Secretary Of The Navy System for cancelling phase noise in an interferometric fiber optic sensor arrangement
US5485745A (en) * 1991-05-20 1996-01-23 Halliburton Company Modular downhole inspection system for coiled tubing
US5275038A (en) * 1991-05-20 1994-01-04 Otis Engineering Corporation Downhole reeled tubing inspection system with fiberoptic cable
US5397891A (en) * 1992-10-20 1995-03-14 Mcdonnell Douglas Corporation Sensor systems employing optical fiber gratings
US5380995A (en) * 1992-10-20 1995-01-10 Mcdonnell Douglas Corporation Fiber optic grating sensor systems for sensing environmental effects
US5361130A (en) * 1992-11-04 1994-11-01 The United States Of America As Represented By The Secretary Of The Navy Fiber grating-based sensing system with interferometric wavelength-shift detection
EP0747570A1 (en) * 1992-12-07 1996-12-11 Akishima Laboratories (Mitsui Zosen) Inc. Mid pulse valve for measurement-while-drilling system
KR960007884B1 (ko) * 1993-04-24 1996-06-15 국방과학연구소 광섬유 격자를 이용한 광섬유소자
IT1262407B (it) * 1993-09-06 1996-06-19 Finmeccanica Spa Strumentazione utilizzante componenti in ottica integrata per la diagnostica di parti con sensori a fibra ottica inclusi o fissati sulla superficie.
US5426297A (en) * 1993-09-27 1995-06-20 United Technologies Corporation Multiplexed Bragg grating sensors
US5401956A (en) * 1993-09-29 1995-03-28 United Technologies Corporation Diagnostic system for fiber grating sensors
US5400427A (en) * 1993-10-18 1995-03-21 Mobil Oil Corporation Fiber optic cable and viscous filler material
DE4337402A1 (de) * 1993-10-26 1995-04-27 Mannesmann Ag Sonde zur Messung von Druck- und Temperaturprofilen
US5410404A (en) * 1993-11-30 1995-04-25 The United States Of America As Represented By The Secretary Of The Navy Fiber grating-based detection system for wavelength encoded fiber sensors
US5451772A (en) * 1994-01-13 1995-09-19 Mechanical Technology Incorporated Distributed fiber optic sensor
US5493113A (en) * 1994-11-29 1996-02-20 United Technologies Corporation Highly sensitive optical fiber cavity coating removal detection
US5675674A (en) * 1995-08-24 1997-10-07 Rockbit International Optical fiber modulation and demodulation system

Also Published As

Publication number Publication date
US5767411A (en) 1998-06-16
NO320490B1 (no) 2005-12-12
NO993222L (no) 1999-06-29
NO993222D0 (no) 1999-06-29
DE69715455D1 (de) 2002-10-17
DE69715455T2 (de) 2003-05-28
EP0950170B1 (en) 2002-09-11
PE30599A1 (es) 1999-03-19
CA2276449C (en) 2007-07-03
AU5722098A (en) 1998-07-31
CA2276449A1 (en) 1998-07-09
EP0950170A1 (en) 1999-10-20
WO1998029717A1 (en) 1998-07-09
CO4771128A1 (es) 1999-04-30

Similar Documents

Publication Publication Date Title
AR008552A1 (es) Disposicion sensora para sensar un campo de medicion en un entorno
KR910008901A (ko) 통합 펌프 공동부 레이저 장치
ES2453953T3 (es) Dispositivo de medición de fibra óptica
ES2659082T3 (es) Disposición de sensores
MX9304816A (es) Composiciones opticamente transmisoras usadas en materiales de conexion, opticos.
ATE32630T1 (de) Gekapselte lichtelektrische messeinrichtung.
ES2171970T3 (es) Termometro de infrarrojos que comprende un sistema de apuntado optico.
AR019110A1 (es) Un dispositivo indicador integrador del tiempo-temperatura con material de barrera.
BR9915956A (pt) Sensor de pressão, e, método para sensoriar pressão
ATE34611T1 (de) Optischer sensor.
ES2150471T3 (es) Sonda de verificacion de la sangre arterial.
NO990876L (no) Bourdonr°r trykkmÕler med integrerte, optiske belastningssensorer for Õ mÕle spenning eller trykkbelastning
ES2186836T3 (es) Uso de cristales liquidos termocromicos en procedimientos de diagnostico basados en reflectometria.
CN101319989A (zh) 气体浓度检测方法及其装置
BRPI0414871A (pt) sensor de pressão fabry-perot reforçado
ES2142267B1 (es) Dispositivo para medicion de la radiacion luminosa concentrada.
CN110632033B (zh) 基于fbg解调仪的f-p干涉型多点测量氢气传感器的使用方法
AR002076A1 (es) Dispositivo para la inspeccion de un fluido, particularmente en analisis hematologicos.
AR245544A1 (es) Una estructura de fibra optica utilizable para amplificar senales opticas y dispositivo amplificador que la utiliza
ES2049915T3 (es) Dispositivo de amplificacion optica de bajo ruido con reflexion de la potencia bombeo.
CN103175628A (zh) 一种光纤型温度传感器
ES2147240T3 (es) Detector de la humedad del suelo.
CN113029428B (zh) 基于光纤内气敏膜的fp气压传感器及其制备方法
KR840006577A (ko) 발광장치(發光裝置)
ES2180918T3 (es) Dispositivo optico.