CN106323345B - 一种超长距离分布式光纤传感模拟测试系统及方法 - Google Patents
一种超长距离分布式光纤传感模拟测试系统及方法 Download PDFInfo
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- CN106323345B CN106323345B CN201610689371.4A CN201610689371A CN106323345B CN 106323345 B CN106323345 B CN 106323345B CN 201610689371 A CN201610689371 A CN 201610689371A CN 106323345 B CN106323345 B CN 106323345B
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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
- G01D5/268—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 using optical fibres
-
- 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
- G01D5/36—Forming the light into pulses
- G01D5/38—Forming the light into pulses by diffraction gratings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
Description
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CN201610689371.4A CN106323345B (zh) | 2016-08-18 | 2016-08-18 | 一种超长距离分布式光纤传感模拟测试系统及方法 |
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CN201610689371.4A CN106323345B (zh) | 2016-08-18 | 2016-08-18 | 一种超长距离分布式光纤传感模拟测试系统及方法 |
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CN106323345A CN106323345A (zh) | 2017-01-11 |
CN106323345B true CN106323345B (zh) | 2018-07-06 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107478250B (zh) * | 2017-07-27 | 2019-10-29 | 南京法艾博光电科技有限公司 | 一种基于三端口鉴相的φ-otdr信号解调方法 |
CN111381199B (zh) * | 2020-03-31 | 2021-02-09 | 华中科技大学 | 一种脉冲强磁场光学测量系统及方法 |
CN111953410B (zh) * | 2020-08-20 | 2022-03-04 | 中电科思仪科技股份有限公司 | 一种用于相干光时域反射计海底光缆模拟测试装置及方法 |
CN112033447B (zh) * | 2020-09-08 | 2022-04-22 | 东南大学 | 一种基于准分布式无源遥泵放大的布里渊光时域分析系统 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102759371A (zh) * | 2012-07-19 | 2012-10-31 | 南京大学 | 融合cotdr的长距离相干检测布里渊光时域分析仪 |
CN105716638A (zh) * | 2016-02-24 | 2016-06-29 | 南京大学 | 一种基于光开关产生互补光的新型cotdr探测装置及实现方法 |
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JP2603714B2 (ja) * | 1989-01-30 | 1997-04-23 | 東京電力株式会社 | 光ファイバ式分布形温度センサ |
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- 2016-08-18 CN CN201610689371.4A patent/CN106323345B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102759371A (zh) * | 2012-07-19 | 2012-10-31 | 南京大学 | 融合cotdr的长距离相干检测布里渊光时域分析仪 |
CN105716638A (zh) * | 2016-02-24 | 2016-06-29 | 南京大学 | 一种基于光开关产生互补光的新型cotdr探测装置及实现方法 |
Non-Patent Citations (2)
Title |
---|
Performance improvement for long-range BOTDR sensing system based on high extinction ratio modulator;Yixin Zhang, etc;《ELECTRONICS LETTERS》;20140731;第50卷(第14期);第1014-1016页 * |
基于瑞利散射的超长距离分布式光纤传感技术;张旭苹,等;《中国激光》;20160731;第43卷(第7期);第0700002-1至13页 * |
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Effective date of registration: 20220915 Address after: 523000 Workshop on the 1st and 2nd floors of building 4, small and medium-sized science and technology enterprise entrepreneurship Park, North Industrial City, Songshanhu high tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: Dongguan advanced optical fiber Application Technology Research Institute Co.,Ltd. Patentee after: GUANGDONG FU'AN TECHNOLOGY DEVELOPMENT Co.,Ltd. Patentee after: Sichuan Fujinan Technology Co.,Ltd. Address before: 523000 Workshop on the 1st and 2nd floors of building 4, small and medium-sized science and technology enterprise entrepreneurship Park, North Industrial City, Songshanhu high tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: Dongguan advanced optical fiber Application Technology Research Institute Co.,Ltd. Patentee before: GUANGDONG FU'AN TECHNOLOGY DEVELOPMENT Co.,Ltd. |