CN104024815B - 光纤光栅传感器系统和方法 - Google Patents
光纤光栅传感器系统和方法 Download PDFInfo
- Publication number
- CN104024815B CN104024815B CN201280053532.0A CN201280053532A CN104024815B CN 104024815 B CN104024815 B CN 104024815B CN 201280053532 A CN201280053532 A CN 201280053532A CN 104024815 B CN104024815 B CN 104024815B
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- China
- Prior art keywords
- wavelength
- gratings
- grating
- range
- value
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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
- G01D5/3537—Optical fibre sensor using a particular arrangement of the optical fibre itself
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0016—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings of aircraft wings or blades
-
- 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
- G01D5/353—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
- G01D5/35338—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 other arrangements than interferometer arrangements
- G01D5/35341—Sensor working in transmission
-
- 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
- G01D5/35387—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 using wavelength division multiplexing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
- G01K11/3206—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres at discrete locations in the fibre, e.g. using Bragg scattering
-
- 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
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/08—Testing mechanical properties
- G01M11/083—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0091—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by using electromagnetic excitation or detection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electromagnetism (AREA)
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161541134P | 2011-09-30 | 2011-09-30 | |
| US61/541,134 | 2011-09-30 | ||
| DKPA201170542 | 2011-09-30 | ||
| DKPA201170542 | 2011-09-30 | ||
| PCT/DK2012/050345 WO2013044919A1 (en) | 2011-09-30 | 2012-09-19 | Optical fibre grating sensor system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104024815A CN104024815A (zh) | 2014-09-03 |
| CN104024815B true CN104024815B (zh) | 2016-06-22 |
Family
ID=47994301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280053532.0A Expired - Fee Related CN104024815B (zh) | 2011-09-30 | 2012-09-19 | 光纤光栅传感器系统和方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9239249B2 (enExample) |
| EP (1) | EP2761263B1 (enExample) |
| CN (1) | CN104024815B (enExample) |
| IN (1) | IN2014DN03226A (enExample) |
| WO (1) | WO2013044919A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104995522A (zh) * | 2013-02-15 | 2015-10-21 | 维斯塔斯风力系统集团公司 | 具有光纤风力传感器的风力涡轮机部件 |
| WO2014200986A1 (en) * | 2013-06-13 | 2014-12-18 | Intuitive Surgical Operations, Inc. | An overlapped chirped fiber bragg grating sensing fiber and methods and apparatus for parameter measurement using same |
| WO2015149162A1 (en) * | 2014-04-02 | 2015-10-08 | Kromasense Inc. | Apparatus for measuring optical signals from multiple optical fiber sensors |
| CN107810397B (zh) * | 2015-06-24 | 2021-06-01 | 维斯塔斯风力系统集团公司 | 用于风力涡轮机的叶片负载感测系统 |
| US10254156B2 (en) * | 2015-10-29 | 2019-04-09 | Halliburton Energy Services, Inc. | Active error correction in an optical sensor system |
| JP6663369B2 (ja) * | 2017-02-13 | 2020-03-11 | 三菱重工業株式会社 | 風車翼の損傷検知方法及び風車 |
| JP2018145899A (ja) * | 2017-03-07 | 2018-09-20 | 株式会社日立製作所 | 風車ブレードまたは風力発電装置 |
| CN110646115A (zh) * | 2019-09-16 | 2020-01-03 | 江苏卓然智能重工有限公司 | 一种急冷换热器预应力伸长的fbg温度监测装置 |
| CN111678636A (zh) * | 2020-06-09 | 2020-09-18 | 西安航天动力研究所 | 一种非接触式压强测量装置及方法 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2372100A (en) * | 2001-02-13 | 2002-08-14 | Marconi Caswell Ltd | Optical waveguide Bragg grating system |
| GB2402479A (en) * | 2003-06-04 | 2004-12-08 | Weatherford Lamb | An optical sensor using a long period grating suitable for dynamic interrogation |
| WO2006107277A1 (en) * | 2005-04-05 | 2006-10-12 | Agency For Science, Technology And Research | Optical fiber strain sensor |
| WO2006107278A1 (en) * | 2005-04-05 | 2006-10-12 | Agency For Science, Technology And Research | Fiber bragg grating sensor |
| CN101373145A (zh) * | 2008-10-17 | 2009-02-25 | 中国科学院上海光学精密机械研究所 | 嵌入式多通道高速光纤光栅传感器解调系统 |
| DE102008014644A1 (de) * | 2008-03-17 | 2009-10-01 | Siemens Aktiengesellschaft | Antriebswelle für eine Propellergondel mit Sensorik |
| US7697121B1 (en) * | 2005-11-30 | 2010-04-13 | Kotura, Inc. | Sensing system having wavelength reflectors that receive modulated light signals |
| CN102301206A (zh) * | 2009-02-02 | 2011-12-28 | 特雷卡电缆伍珀塔尔有限公司 | 光纤测量仪 |
| CN102378931A (zh) * | 2009-03-30 | 2012-03-14 | 通用电气公司 | 光学传感器、系统及制作方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5426297A (en) * | 1993-09-27 | 1995-06-20 | United Technologies Corporation | Multiplexed Bragg grating sensors |
| GB2348000B (en) | 1999-03-19 | 2001-02-07 | Marconi Electronic Syst Ltd | Strain sensing |
| JP2000346722A (ja) | 1999-06-07 | 2000-12-15 | Furukawa Electric Co Ltd:The | 力学センサ |
| US6795599B2 (en) * | 2001-05-11 | 2004-09-21 | Vasilii V. Spirin | Differential fiber optical sensor with interference energy analyzer |
| NO334515B1 (no) | 2002-03-13 | 2014-03-31 | Light Structures As | Fiberoptisk sensorpakke |
| JP2004145382A (ja) | 2002-10-21 | 2004-05-20 | Sumitomo Electric Ind Ltd | 光ファイバセンサを利用した監視システム |
| US7109471B2 (en) | 2004-06-04 | 2006-09-19 | Weatherford/Lamb, Inc. | Optical wavelength determination using multiple measurable features |
| US7060967B2 (en) | 2004-10-12 | 2006-06-13 | Optoplan As | Optical wavelength interrogator |
| KR100760510B1 (ko) | 2006-05-26 | 2007-09-20 | 한국과학기술연구원 | 회전체의 이상감지장치 |
| GB2440954B (en) | 2006-08-18 | 2008-12-17 | Insensys Ltd | Structural monitoring |
| JP4930034B2 (ja) | 2006-12-15 | 2012-05-09 | 日立電線株式会社 | 物理量測定システム |
| US8385692B2 (en) * | 2009-05-27 | 2013-02-26 | Baker Hughes Incorporated | On-line fiber Bragg grating dithering |
-
2012
- 2012-09-19 IN IN3226DEN2014 patent/IN2014DN03226A/en unknown
- 2012-09-19 US US14/347,976 patent/US9239249B2/en not_active Expired - Fee Related
- 2012-09-19 EP EP12762530.9A patent/EP2761263B1/en not_active Not-in-force
- 2012-09-19 CN CN201280053532.0A patent/CN104024815B/zh not_active Expired - Fee Related
- 2012-09-19 WO PCT/DK2012/050345 patent/WO2013044919A1/en not_active Ceased
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2372100A (en) * | 2001-02-13 | 2002-08-14 | Marconi Caswell Ltd | Optical waveguide Bragg grating system |
| GB2402479A (en) * | 2003-06-04 | 2004-12-08 | Weatherford Lamb | An optical sensor using a long period grating suitable for dynamic interrogation |
| WO2006107277A1 (en) * | 2005-04-05 | 2006-10-12 | Agency For Science, Technology And Research | Optical fiber strain sensor |
| WO2006107278A1 (en) * | 2005-04-05 | 2006-10-12 | Agency For Science, Technology And Research | Fiber bragg grating sensor |
| US7697121B1 (en) * | 2005-11-30 | 2010-04-13 | Kotura, Inc. | Sensing system having wavelength reflectors that receive modulated light signals |
| DE102008014644A1 (de) * | 2008-03-17 | 2009-10-01 | Siemens Aktiengesellschaft | Antriebswelle für eine Propellergondel mit Sensorik |
| CN101373145A (zh) * | 2008-10-17 | 2009-02-25 | 中国科学院上海光学精密机械研究所 | 嵌入式多通道高速光纤光栅传感器解调系统 |
| CN102301206A (zh) * | 2009-02-02 | 2011-12-28 | 特雷卡电缆伍珀塔尔有限公司 | 光纤测量仪 |
| CN102378931A (zh) * | 2009-03-30 | 2012-03-14 | 通用电气公司 | 光学传感器、系统及制作方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013044919A1 (en) | 2013-04-04 |
| US9239249B2 (en) | 2016-01-19 |
| EP2761263B1 (en) | 2019-01-09 |
| EP2761263A1 (en) | 2014-08-06 |
| IN2014DN03226A (enExample) | 2015-05-22 |
| CN104024815A (zh) | 2014-09-03 |
| US20140239166A1 (en) | 2014-08-28 |
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