CN108120525B - 光纤光栅温度/应变传感***及其解调方法 - Google Patents
光纤光栅温度/应变传感***及其解调方法 Download PDFInfo
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- CN108120525B CN108120525B CN201711458534.9A CN201711458534A CN108120525B CN 108120525 B CN108120525 B CN 108120525B CN 201711458534 A CN201711458534 A CN 201711458534A CN 108120525 B CN108120525 B CN 108120525B
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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- 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
- G01D5/3538—Optical fibre sensor using a particular arrangement of the optical fibre itself using a particular type of fiber, e.g. fibre with several cores, PANDA fiber, fiber with an elliptic core or the like
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Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109029805A (zh) * | 2018-07-02 | 2018-12-18 | 上海交通大学 | 基于柔性聚合物波导的压力传感器 |
CN110620615B (zh) * | 2018-10-17 | 2024-04-09 | 科大国盾量子技术股份有限公司 | 一种注入锁定反馈装置及注入锁定反馈方法 |
CN109682321B (zh) * | 2019-01-02 | 2020-05-19 | 华中科技大学 | 基于自适应参考补偿的分布式应变传感***及其测量方法 |
CN109752033B (zh) * | 2019-02-22 | 2024-01-30 | 上海交通大学 | 高精度光纤光栅应变测量*** |
CN109883348B (zh) * | 2019-03-14 | 2021-01-12 | 哈尔滨工程大学 | 一种使用伪随机码码分复用的pdh多传感器应变测量装置 |
CN110025300B (zh) * | 2019-04-18 | 2022-02-25 | 江西益康医疗器械集团有限公司 | 基于dfb光纤激光传感技术的生命体征监测装置及监测方法 |
CN110487308A (zh) * | 2019-08-27 | 2019-11-22 | 南京大学 | 一种基于相位锁定的高性能相干探测型φ-otdr实现***及方法 |
CN111371622A (zh) * | 2020-03-13 | 2020-07-03 | 黄东 | 一种多网隔离、选择切换装置及网络资源配置方法 |
CN111707301B (zh) * | 2020-06-15 | 2022-01-04 | 清华大学深圳国际研究生院 | 一种光纤布拉格光栅的解调***及方法 |
CN113343419B (zh) * | 2021-04-30 | 2022-06-14 | 成都飞机工业(集团)有限责任公司 | 一种互注入锁定光源线宽的设计与评估方法 |
CN113654582B (zh) * | 2021-09-01 | 2023-06-02 | 哈尔滨工程大学 | 一种利用少模fbg-fp同时测量应变和温度的方案 |
CN114252141B (zh) * | 2021-12-13 | 2022-12-13 | 江南大学 | 基于光纤拍频技术的双参数检测数字传感***及方法 |
CN114777822B (zh) * | 2022-04-18 | 2024-03-19 | 南京大学 | 基于多波长可调谐激光器的光纤光栅阵列同步传感*** |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105091776A (zh) * | 2015-08-28 | 2015-11-25 | 中国科学院半导体研究所 | 基于单边带扫频调制的光纤激光静态应变拍频解调*** |
US9739644B2 (en) * | 2015-05-28 | 2017-08-22 | The Boeing Company | Interferometric rotary encoder |
CN107218902A (zh) * | 2017-07-06 | 2017-09-29 | 中国科学院半导体研究所 | 基于双激光光源锁频与拍频测量的光纤光栅信号解调*** |
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CN103855599B (zh) * | 2014-01-17 | 2016-08-24 | 中国科学院上海技术物理研究所 | 利用扫描共焦腔f-p干涉仪实现激光偏频锁定的方法 |
CN105180823B (zh) * | 2015-08-28 | 2017-07-28 | 中国科学院半导体研究所 | 基于锁频技术和拍频原理的光纤激光静态应变解调*** |
CN105953825B (zh) * | 2016-06-29 | 2018-01-02 | 上海交通大学 | 用于温度与应变同时测量的光纤光栅式传感***及方法 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9739644B2 (en) * | 2015-05-28 | 2017-08-22 | The Boeing Company | Interferometric rotary encoder |
CN105091776A (zh) * | 2015-08-28 | 2015-11-25 | 中国科学院半导体研究所 | 基于单边带扫频调制的光纤激光静态应变拍频解调*** |
CN107218902A (zh) * | 2017-07-06 | 2017-09-29 | 中国科学院半导体研究所 | 基于双激光光源锁频与拍频测量的光纤光栅信号解调*** |
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Effective date of registration: 20220729 Address after: 315500 No. 1, building 6, Qianren entrepreneurship Park, economic development zone, No. 98, Huiming Road, Fenghua District, Ningbo City, Zhejiang Province (self declaration) Patentee after: Ningbo Lianhe Photonics Technology Co.,Ltd. Address before: 201108 room 104, No. 20, Lane 388, Dudu Road, Minhang District, Shanghai Patentee before: He Zuyuan |
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Denomination of invention: Fiber Bragg Grating Temperature/Strain Sensing System and Its Demodulation Method Effective date of registration: 20230612 Granted publication date: 20200811 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Ningbo Fenghua sub branch Pledgor: Ningbo Lianhe Photonics Technology Co.,Ltd. Registration number: Y2023980043565 |