CN109253698B - 一种位移传感器 - Google Patents
一种位移传感器 Download PDFInfo
- Publication number
- CN109253698B CN109253698B CN201811107998.XA CN201811107998A CN109253698B CN 109253698 B CN109253698 B CN 109253698B CN 201811107998 A CN201811107998 A CN 201811107998A CN 109253698 B CN109253698 B CN 109253698B
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- laser beam
- beam splitter
- sleeve
- film
- 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
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 23
- 239000013307 optical fiber Substances 0.000 claims abstract description 84
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 claims description 14
- 239000013308 plastic optical fiber Substances 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000003287 optical effect Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000007943 implant Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
-
- 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
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811107998.XA CN109253698B (zh) | 2018-09-21 | 2018-09-21 | 一种位移传感器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811107998.XA CN109253698B (zh) | 2018-09-21 | 2018-09-21 | 一种位移传感器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109253698A CN109253698A (zh) | 2019-01-22 |
CN109253698B true CN109253698B (zh) | 2021-07-13 |
Family
ID=65047759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811107998.XA Active CN109253698B (zh) | 2018-09-21 | 2018-09-21 | 一种位移传感器 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109253698B (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU993011A1 (ru) * | 1981-06-24 | 1983-01-30 | Московский Ордена Ленина Институт Инженеров Геодезии, Аэрофотосъемки И Картографии | Интерферометр дл измерени больших перемещений |
EP0164181B1 (en) * | 1984-03-16 | 1993-08-04 | Digital Signal Corporation | Frequency modulated laser radar |
CN2379778Y (zh) * | 1999-06-28 | 2000-05-24 | 牛金澜 | β射线透(反)射式智能厚度仪探头 |
CN2599525Y (zh) * | 2003-02-14 | 2004-01-14 | 中国科学院上海光学精密机械研究所 | 微位移实时干涉测量仪 |
CN102175141A (zh) * | 2011-01-13 | 2011-09-07 | 清华大学 | 一种双路单频激光干涉仪 |
CN108036728A (zh) * | 2017-12-14 | 2018-05-15 | 大连理工大学 | 一种相位差解调式光纤位移测量方法及仪器 |
CN108474639A (zh) * | 2016-11-30 | 2018-08-31 | 株式会社佳思特 | 位移计测装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5302272A (en) * | 1992-03-05 | 1994-04-12 | Beckman Instruments, Inc. | Fiber optic flow cell for detection of electrophoresis separation with a capillary column and method of making same |
CN103454034B (zh) * | 2012-06-05 | 2015-09-30 | 南京理工大学 | 光纤微位移气压测量装置 |
CN203432544U (zh) * | 2013-07-15 | 2014-02-12 | 宁波良和路桥科技有限公司 | 一种高精度光纤光栅应变传感器 |
CN206095169U (zh) * | 2016-10-21 | 2017-04-12 | 广东核电合营有限公司 | 一种适用于微裂缝结构体的轻便型光纤光栅大量程应变计 |
CN107014410B (zh) * | 2017-03-31 | 2019-05-03 | 西安交通大学 | 用于光纤f-p传感器制作的光纤对中和腔长控制装置及方法 |
CN207741708U (zh) * | 2018-01-23 | 2018-08-17 | 山西省交通科学研究院 | 一种适用于黄土边坡坡表变形监测的fbg传感器封装结构 |
-
2018
- 2018-09-21 CN CN201811107998.XA patent/CN109253698B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU993011A1 (ru) * | 1981-06-24 | 1983-01-30 | Московский Ордена Ленина Институт Инженеров Геодезии, Аэрофотосъемки И Картографии | Интерферометр дл измерени больших перемещений |
EP0164181B1 (en) * | 1984-03-16 | 1993-08-04 | Digital Signal Corporation | Frequency modulated laser radar |
CN2379778Y (zh) * | 1999-06-28 | 2000-05-24 | 牛金澜 | β射线透(反)射式智能厚度仪探头 |
CN2599525Y (zh) * | 2003-02-14 | 2004-01-14 | 中国科学院上海光学精密机械研究所 | 微位移实时干涉测量仪 |
CN102175141A (zh) * | 2011-01-13 | 2011-09-07 | 清华大学 | 一种双路单频激光干涉仪 |
CN108474639A (zh) * | 2016-11-30 | 2018-08-31 | 株式会社佳思特 | 位移计测装置 |
CN108036728A (zh) * | 2017-12-14 | 2018-05-15 | 大连理工大学 | 一种相位差解调式光纤位移测量方法及仪器 |
Also Published As
Publication number | Publication date |
---|---|
CN109253698A (zh) | 2019-01-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Zhou et al. | Distributed vibration sensing with time-resolved optical frequency-domain reflectometry | |
Wang et al. | Distributed OTDR-interferometric sensing network with identical ultra-weak fiber Bragg gratings | |
Wang et al. | Distributed fiber-optic vibration sensing based on phase extraction from time-gated digital OFDR | |
CN105698871A (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 | |
CN103674117B (zh) | 基于拉曼散射同时测量全同弱光纤光栅温度与应变的方法及装置 | |
Kisała et al. | Method of simultaneous measurement of two direction force and temperature using FBG sensor head | |
Liehr et al. | Incoherent optical frequency domain reflectometry and distributed strain detection in polymer optical fibers | |
Wu et al. | Few-mode fiber based distributed curvature sensor through quasi-single-mode Brillouin frequency shift | |
Feng et al. | Distributed transverse-force sensing along a single-mode fiber using polarization-analyzing OFDR | |
Ganziy et al. | Performance of low-cost few-mode fiber Bragg grating sensor systems: polarization sensitivity and linearity of temperature and strain response | |
CN111307935A (zh) | 一种分布式超声检测的装置及方法 | |
JP3740500B2 (ja) | Ofdr方式の多点歪計測装置 | |
Zhu et al. | High-sensitivity optical fiber sensing based on a computational and distributed Vernier effect | |
JP2005147900A (ja) | Ofdr方式の歪連続分布計測装置 | |
Zhu et al. | Membrane-free acoustic sensing based on an optical fiber Mach–Zehnder interferometer | |
Meng et al. | Interference and differentiation of the neighboring surface microcracks in distributed sensing with PPP-BOTDA | |
CN109253698B (zh) | 一种位移传感器 | |
Seng et al. | Split Hopkinson bar measurement using high-speed full-spectrum fiber Bragg grating interrogation | |
Piccolo et al. | Distributed optical fiber strain and temperature sensing system performances: Brillouin vs Rayleigh | |
Lee et al. | Compact fiber optic dual-detection confocal displacement sensor | |
Guo et al. | Influence of vibration disturbance during polarization coupling measurement of polarization-maintaining fiber | |
RU138620U1 (ru) | Бриллюэновский оптический рефлектометр | |
Dengler et al. | Absolute spectral backscatter measurements of large-core multimode PMMA polymer optical fibers | |
Coscetta et al. | Theoretical and experimental comparison of a distributed acoustic sensor at 850-and 1550-nm wavelengths | |
Dong et al. | Highly sensitive strain and vibration sensors based on the microfiber sagnac interferometer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240105 Address after: No. 301, Zhangbei Development Zone, Zhangbei Community, Longcheng Street, Longgang District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen Hongjiang Technology Co.,Ltd. Address before: 510000 room 432, second floor, unit 2, building 2, No. 24, Jishan new road street, Tianhe District, Guangzhou City, Guangdong Province (office only) Patentee before: Guangzhou Jingzhi Information Technology Co.,Ltd. Effective date of registration: 20240105 Address after: 510000 room 432, second floor, unit 2, building 2, No. 24, Jishan new road street, Tianhe District, Guangzhou City, Guangdong Province (office only) Patentee after: Guangzhou Jingzhi Information Technology Co.,Ltd. Address before: 430070 No.28 Nanli Road, Hongshan District, Wuhan City, Hubei Province Patentee before: HUBEI University OF TECHNOLOGY |
|
TR01 | Transfer of patent right |