CN105466349B - 一种光频域反射中用薄包层光纤提高应变测量灵敏度方法 - Google Patents
一种光频域反射中用薄包层光纤提高应变测量灵敏度方法 Download PDFInfo
- Publication number
- CN105466349B CN105466349B CN201610029243.7A CN201610029243A CN105466349B CN 105466349 B CN105466349 B CN 105466349B CN 201610029243 A CN201610029243 A CN 201610029243A CN 105466349 B CN105466349 B CN 105466349B
- Authority
- CN
- China
- Prior art keywords
- fiber
- thin
- domain information
- optical fiber
- rayleigh scattering
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Classifications
-
- 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
- G01B11/161—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by interferometric means
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610029243.7A CN105466349B (zh) | 2016-01-18 | 2016-01-18 | 一种光频域反射中用薄包层光纤提高应变测量灵敏度方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610029243.7A CN105466349B (zh) | 2016-01-18 | 2016-01-18 | 一种光频域反射中用薄包层光纤提高应变测量灵敏度方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105466349A CN105466349A (zh) | 2016-04-06 |
CN105466349B true CN105466349B (zh) | 2018-07-10 |
Family
ID=55604310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610029243.7A Active CN105466349B (zh) | 2016-01-18 | 2016-01-18 | 一种光频域反射中用薄包层光纤提高应变测量灵敏度方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105466349B (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105783999B (zh) * | 2016-04-27 | 2018-10-23 | 天津大学 | 一种光频域反射中参考光纤消除温度应变交叉敏感方法 |
CN106500823B (zh) * | 2016-12-05 | 2023-04-21 | 华南理工大学 | 基于细径多模光纤实现高灵敏度分布式声波传感的装置 |
CN107782696B (zh) * | 2017-09-21 | 2020-03-06 | 天津大学 | 利用拉锥光纤测量分布式液体折射率的传感系统及方法 |
CN108896274B (zh) * | 2018-06-14 | 2019-12-27 | 大连理工大学 | 一种基于子集窗长度优化算法的分布式光纤应变解调方法 |
CN108917636B (zh) * | 2018-08-31 | 2019-10-29 | 大连理工大学 | 一种基于子集窗自适应算法的分布式光纤应变解调方法 |
CN111735527B (zh) * | 2020-06-01 | 2022-03-29 | 哈尔滨工业大学 | 基于时域相位计算的光纤分布式振动传感方法 |
CN113532307B (zh) * | 2021-09-09 | 2021-11-30 | 南京信息工程大学 | 基于Michelson光纤干涉仪的大范围应变传感器 |
CN115060187B (zh) * | 2022-08-18 | 2022-12-02 | 天津市计量监督检测科学研究院 | 一种分布式光纤应变传感性能检测系统与方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7515276B2 (en) * | 2006-07-26 | 2009-04-07 | Luna Innovations Incorporated | High resolution interferometric optical frequency domain reflectometry (OFDR) beyond the laser coherence length |
CN102853953A (zh) * | 2012-09-17 | 2013-01-02 | 南京大学 | 一种基于微光纤布拉格光栅微拉力传感装置及制备 |
CN102997937A (zh) * | 2012-12-12 | 2013-03-27 | 天津大学 | 一种可抑制光源相位噪声的光频域反射装置和解调方法 |
CN105021330A (zh) * | 2015-07-30 | 2015-11-04 | 天津大学 | 碳纤维增强型智能钢绞线、预应力监测装置及方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7450241B2 (en) * | 2005-09-30 | 2008-11-11 | Infraredx, Inc. | Detecting vulnerable plaque |
-
2016
- 2016-01-18 CN CN201610029243.7A patent/CN105466349B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7515276B2 (en) * | 2006-07-26 | 2009-04-07 | Luna Innovations Incorporated | High resolution interferometric optical frequency domain reflectometry (OFDR) beyond the laser coherence length |
CN102853953A (zh) * | 2012-09-17 | 2013-01-02 | 南京大学 | 一种基于微光纤布拉格光栅微拉力传感装置及制备 |
CN102997937A (zh) * | 2012-12-12 | 2013-03-27 | 天津大学 | 一种可抑制光源相位噪声的光频域反射装置和解调方法 |
CN105021330A (zh) * | 2015-07-30 | 2015-11-04 | 天津大学 | 碳纤维增强型智能钢绞线、预应力监测装置及方法 |
Also Published As
Publication number | Publication date |
---|---|
CN105466349A (zh) | 2016-04-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105466349B (zh) | 一种光频域反射中用薄包层光纤提高应变测量灵敏度方法 | |
CN105698871B (zh) | 基于光频域反射的分布式应变温度同时测量装置及方法 | |
Muanenda et al. | Dynamic phase extraction in a modulated double-pulse ϕ-OTDR sensor using a stable homodyne demodulation in direct detection | |
CN106895790B (zh) | 一种光频域反射中提升分布式光纤传感分辨率方法 | |
CN105783999B (zh) | 一种光频域反射中参考光纤消除温度应变交叉敏感方法 | |
EP2373956B1 (en) | Distributed optical fibre sensor | |
CA2915971C (en) | Improvements in fibre optic distributed sensing | |
US9534937B2 (en) | Distributed microwave Fabry-Perot interferometer device and method | |
CN102607621A (zh) | 同时检测温度和应变的分布式光纤布里渊传感装置和方法 | |
CN108827601A (zh) | 一种光纤干涉仪臂长差的测量装置 | |
CN107860405B (zh) | 一种基于游标效应的光谱解调方法及其解调装置 | |
CN102322880A (zh) | 偏振敏感的分布式光频域反射扰动传感装置和解调方法 | |
Liehr et al. | Incoherent optical frequency domain reflectometry and distributed strain detection in polymer optical fibers | |
CN102538845B (zh) | 多点扰动定位方法 | |
CN107907203A (zh) | 一种光纤f‑p腔式声波传感器的解调方法 | |
CA2709779A1 (en) | System and method to determine chromatic dispersion in short lengths of waveguides using a 3-wave interference pattern and a single-arm interferometer | |
CN107782696A (zh) | 利用拉锥光纤测量分布式液体折射率的传感系统及方法 | |
CN105021330A (zh) | 碳纤维增强型智能钢绞线、预应力监测装置及方法 | |
WO2017219568A1 (zh) | 一种光频域反射中利用阿基米德螺旋线的光纤铺设方法 | |
CN102853913B (zh) | 一种光纤光栅实时光谱分析装置及方法 | |
Vasinek et al. | Mach-zehnder interferometer for movement monitoring | |
Cubik et al. | Interferometric sensor based on the polarization-maintaining fibers | |
Li et al. | Optical-path difference on-line measurement of multiplexing fiber-optic interferometric sensors using TDM and WDM by improved optical-frequency-domain reflectometry | |
CN114111855B (zh) | 一种基于双向迈克尔逊干涉仪的分布式光纤传感定位系统 | |
Hart et al. | Comparison of all-grating fiber and enhanced backscatter fiber for distributed strain sensing |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB03 | Change of inventor or designer information |
Inventor after: Liu Kun Inventor after: Ding Zhenyang Inventor after: Liu Tiegen Inventor after: Jiang Junfeng Inventor after: Yang Di Inventor after: Du Yang Inventor after: Xu Zheqian Inventor before: Ding Zhenyang Inventor before: Yang Di Inventor before: Liu Tiegen Inventor before: Du Yang Inventor before: Xu Zheqian Inventor before: Liu Kun Inventor before: Jiang Junfeng |
|
CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |