CN102322806A - 一种混沌激光相关布里渊光时域分析器 - Google Patents
一种混沌激光相关布里渊光时域分析器 Download PDFInfo
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- CN102322806A CN102322806A CN201110217936A CN201110217936A CN102322806A CN 102322806 A CN102322806 A CN 102322806A CN 201110217936 A CN201110217936 A CN 201110217936A CN 201110217936 A CN201110217936 A CN 201110217936A CN 102322806 A CN102322806 A CN 102322806A
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- G—PHYSICS
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- 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
- G01D5/35354—Sensor working in reflection
- G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
- G01D5/35364—Sensor working in reflection using backscattering to detect the measured quantity using inelastic backscattering to detect the measured quantity, e.g. using Brillouin or Raman backscattering
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- 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
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- G—PHYSICS
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- 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
- G01K11/322—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 using Brillouin scattering
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- 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
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
- G01M11/319—Reflectometers using stimulated back-scatter, e.g. Raman or fibre amplifiers
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- 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
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/39—Testing of optical devices, constituted by fibre optics or optical waveguides in which light is projected from both sides of the fiber or waveguide end-face
Abstract
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CN2011102179366A CN102322806B (zh) | 2011-08-01 | 2011-08-01 | 一种混沌激光相关布里渊光时域分析器 |
PCT/CN2011/079132 WO2013016888A1 (zh) | 2011-08-01 | 2011-08-30 | 一种混沌激光相关布里渊光时域分析器 |
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CN2011102179366A CN102322806B (zh) | 2011-08-01 | 2011-08-01 | 一种混沌激光相关布里渊光时域分析器 |
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Cited By (17)
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CN103123285A (zh) * | 2013-02-05 | 2013-05-29 | 太原理工大学 | 基于混沌激光相干法的分布式光纤传感装置及其测量方法 |
CN103148895A (zh) * | 2013-02-22 | 2013-06-12 | 太原理工大学 | 随机码外调制的分布式光纤传感方法及装置 |
CN104142224A (zh) * | 2014-07-22 | 2014-11-12 | 河海大学 | 分布式传感光纤多目标多自由度静动态测试装置及方法 |
CN105136178A (zh) * | 2015-08-27 | 2015-12-09 | 太原理工大学 | 混沌布里渊光相干域分析的分布式光纤传感装置及方法 |
CN105136177A (zh) * | 2015-08-27 | 2015-12-09 | 太原理工大学 | 一种亚毫米空间分辨率的分布式光纤传感装置及方法 |
CN105699050A (zh) * | 2016-02-04 | 2016-06-22 | 南京晓庄学院 | 融合混沌光源和相干探测的复合型分布式光纤传感方法及系统 |
CN105783762A (zh) * | 2016-05-10 | 2016-07-20 | 太原理工大学 | 混沌相关法定位的布里渊分布式光纤传感装置及方法 |
CN107591678A (zh) * | 2017-09-08 | 2018-01-16 | 太原理工大学 | 一种基于相干域的混沌激光外腔时延的识别方法 |
CN105784195B (zh) * | 2016-05-10 | 2018-04-06 | 太原理工大学 | 单端混沌布里渊光时域分析的分布式光纤传感装置及方法 |
CN109084830A (zh) * | 2018-06-25 | 2018-12-25 | 太原理工大学 | 面向采空区交通基础设施的光纤多参量检测系统及方法 |
CN110375800A (zh) * | 2019-06-03 | 2019-10-25 | 太原理工大学 | 一种基于超连续谱布里渊光时域分析器的传感装置及方法 |
CN110487309A (zh) * | 2019-09-16 | 2019-11-22 | 北京邮电大学 | 一种光纤探测方法及系统 |
CN111157097A (zh) * | 2019-12-31 | 2020-05-15 | 太原理工大学 | 一种基于相位敏感光时域反射系统的振动信号检测方法 |
CN111307188A (zh) * | 2020-02-22 | 2020-06-19 | 太原理工大学 | 一种基于噪声调制的免扫频botda装置 |
CN111551110A (zh) * | 2020-04-16 | 2020-08-18 | 清华大学 | 纳米粒子尺寸信息测量装置及方法 |
CN111637910A (zh) * | 2020-05-26 | 2020-09-08 | 太原理工大学 | 时域差分高速混沌布里渊光相干域监测装置及方法 |
CN114994709A (zh) * | 2022-08-02 | 2022-09-02 | 南京信息工程大学 | 一种基于双偏振干涉的相干激光雷达 |
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CN106644103B (zh) * | 2016-09-18 | 2018-11-23 | 太原理工大学 | 一种直接判别混沌光场光子统计特性的系统及方法 |
CN107478352B (zh) * | 2017-08-10 | 2024-04-23 | 南京晓庄学院 | 基于布里渊散射并融合混沌光信号的分布式传感方法及系统 |
CN109782517B (zh) * | 2019-01-25 | 2021-01-01 | 太原理工大学 | 激光显示中宽带混沌调制产生低相干光的方法及装置 |
CN112880865B (zh) * | 2021-03-25 | 2022-05-13 | 太原理工大学 | 超长距离的高空间分辨率拉曼光纤双参量传感系统和方法 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007240351A (ja) * | 2006-03-09 | 2007-09-20 | Neubrex Co Ltd | 分布型光ファイバセンサ |
US20080068586A1 (en) * | 2004-06-25 | 2008-03-20 | Neubrex Co., Ltd | Distributed Optical Fiber Sensor |
CN101226100A (zh) * | 2008-01-31 | 2008-07-23 | 太原理工大学 | 混沌光时域反射仪及其测量方法 |
CN201233225Y (zh) * | 2008-07-25 | 2009-05-06 | 中国计量学院 | 一种新型光纤布里渊光时域分析器 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2502275C (en) * | 2004-03-26 | 2008-08-05 | University Of New Brunswick | System and method for resolution enhancement of a distributed sensor |
US7480460B2 (en) * | 2005-03-29 | 2009-01-20 | University Of New Brunswick | Dynamic strain distributed fiber optic sensor |
JP4630151B2 (ja) * | 2005-07-26 | 2011-02-09 | 学校法人 芝浦工業大学 | 光ファイバのブリルアンスペクトル測定方法、およびその方法を利用した装置 |
CN100478703C (zh) * | 2006-04-21 | 2009-04-15 | 太原理工大学 | 基于半导体激光器的混沌激光测距方法及装置 |
CN100478704C (zh) * | 2006-04-21 | 2009-04-15 | 太原理工大学 | Ld抽运固体激光器混沌激光测距的装置及方法 |
CN101324424B (zh) * | 2008-07-25 | 2010-06-09 | 中国计量学院 | 光纤布里渊光时域分析器 |
WO2011022829A1 (en) * | 2009-08-27 | 2011-03-03 | University Of New Brunswick | System and method for brillouin analysis |
CN101762290A (zh) * | 2010-02-03 | 2010-06-30 | 电子科技大学 | 基于分布式拉曼放大的布里渊光时域分析系统 |
CN101929880B (zh) * | 2010-08-09 | 2012-05-30 | 宁波诺驰光电科技发展有限公司 | 一种新型布里渊光时域分析器 |
-
2011
- 2011-08-01 CN CN2011102179366A patent/CN102322806B/zh not_active Expired - Fee Related
- 2011-08-30 WO PCT/CN2011/079132 patent/WO2013016888A1/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080068586A1 (en) * | 2004-06-25 | 2008-03-20 | Neubrex Co., Ltd | Distributed Optical Fiber Sensor |
JP2007240351A (ja) * | 2006-03-09 | 2007-09-20 | Neubrex Co Ltd | 分布型光ファイバセンサ |
CN101226100A (zh) * | 2008-01-31 | 2008-07-23 | 太原理工大学 | 混沌光时域反射仪及其测量方法 |
CN201233225Y (zh) * | 2008-07-25 | 2009-05-06 | 中国计量学院 | 一种新型光纤布里渊光时域分析器 |
Non-Patent Citations (1)
Title |
---|
V.V.SPIRIN,ET AL: "Elimination of low-frequency fluctuations of backscattered Rayleigh radiation from optical fiber with chaotic lasers", 《OPTICAL FIBER TECHNOLOGY》 * |
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CN114994709A (zh) * | 2022-08-02 | 2022-09-02 | 南京信息工程大学 | 一种基于双偏振干涉的相干激光雷达 |
CN114994709B (zh) * | 2022-08-02 | 2022-10-28 | 南京信息工程大学 | 一种基于双偏振干涉的相干激光雷达 |
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