CN109506684B - 快速扫描激光器解调fbg传感器的波长修正方法及*** - Google Patents
快速扫描激光器解调fbg传感器的波长修正方法及*** Download PDFInfo
- Publication number
- CN109506684B CN109506684B CN201811480974.9A CN201811480974A CN109506684B CN 109506684 B CN109506684 B CN 109506684B CN 201811480974 A CN201811480974 A CN 201811480974A CN 109506684 B CN109506684 B CN 109506684B
- Authority
- CN
- China
- Prior art keywords
- scanning laser
- wavelength
- laser
- fbg sensor
- demodulation
- 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
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000013307 optical fiber Substances 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 238000005070 sampling Methods 0.000 claims abstract description 18
- 230000001360 synchronised effect Effects 0.000 claims abstract description 6
- 230000001960 triggered effect Effects 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 31
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000000630 rising effect Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
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
- G01D5/32—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811480974.9A CN109506684B (zh) | 2018-12-05 | 2018-12-05 | 快速扫描激光器解调fbg传感器的波长修正方法及*** |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811480974.9A CN109506684B (zh) | 2018-12-05 | 2018-12-05 | 快速扫描激光器解调fbg传感器的波长修正方法及*** |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109506684A CN109506684A (zh) | 2019-03-22 |
CN109506684B true CN109506684B (zh) | 2020-11-17 |
Family
ID=65751970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811480974.9A Active CN109506684B (zh) | 2018-12-05 | 2018-12-05 | 快速扫描激光器解调fbg传感器的波长修正方法及*** |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109506684B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114235018B (zh) * | 2021-12-09 | 2023-08-08 | 山东微感光电子有限公司 | 一种温度自适应的fbg解调方法及*** |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008046046A (ja) * | 2006-08-18 | 2008-02-28 | Anritsu Corp | Fbgセンサシステム |
CN101196410A (zh) * | 2006-12-29 | 2008-06-11 | 北京工业大学 | 光纤传感的波长解调方法 |
KR20110043834A (ko) * | 2009-10-22 | 2011-04-28 | 한국에너지기술연구원 | 분광기와 선형 배열 광감지기를 이용한 fbg 센서 복조화 장치 |
CN102374873A (zh) * | 2011-09-19 | 2012-03-14 | 武汉邮电科学研究院 | 一种基于光ofdm的传感***及其光纤光栅监测方法 |
CN103822646A (zh) * | 2014-03-03 | 2014-05-28 | 武汉理工大学 | 光纤光栅解调***中长距离光延迟效应的解调方法 |
CN106404015A (zh) * | 2015-08-12 | 2017-02-15 | 珠海任驰光电科技有限公司 | 高速高精度多通道布拉格光栅解调仪 |
CN107270950A (zh) * | 2017-07-03 | 2017-10-20 | 上海铁路通信有限公司 | 一种嵌入式段式扫描光纤光栅传感解调***及方法 |
CN207280478U (zh) * | 2017-07-25 | 2018-04-27 | 大连理工大学 | 一种同步多通道光纤光栅监测解调*** |
-
2018
- 2018-12-05 CN CN201811480974.9A patent/CN109506684B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008046046A (ja) * | 2006-08-18 | 2008-02-28 | Anritsu Corp | Fbgセンサシステム |
CN101196410A (zh) * | 2006-12-29 | 2008-06-11 | 北京工业大学 | 光纤传感的波长解调方法 |
KR20110043834A (ko) * | 2009-10-22 | 2011-04-28 | 한국에너지기술연구원 | 분광기와 선형 배열 광감지기를 이용한 fbg 센서 복조화 장치 |
CN102374873A (zh) * | 2011-09-19 | 2012-03-14 | 武汉邮电科学研究院 | 一种基于光ofdm的传感***及其光纤光栅监测方法 |
CN103822646A (zh) * | 2014-03-03 | 2014-05-28 | 武汉理工大学 | 光纤光栅解调***中长距离光延迟效应的解调方法 |
CN106404015A (zh) * | 2015-08-12 | 2017-02-15 | 珠海任驰光电科技有限公司 | 高速高精度多通道布拉格光栅解调仪 |
CN107270950A (zh) * | 2017-07-03 | 2017-10-20 | 上海铁路通信有限公司 | 一种嵌入式段式扫描光纤光栅传感解调***及方法 |
CN207280478U (zh) * | 2017-07-25 | 2018-04-27 | 大连理工大学 | 一种同步多通道光纤光栅监测解调*** |
Also Published As
Publication number | Publication date |
---|---|
CN109506684A (zh) | 2019-03-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100362366C (zh) | 光纤激光器混沌激光测距装置及方法 | |
US20210116311A1 (en) | Self-calibration detection device and temperature demodulation method oriented to fiber raman temperature sensing system | |
CN103885065B (zh) | 双波长双脉冲的无模糊激光测距装置 | |
KR102030457B1 (ko) | 거리 검출 센서 시간 변이 보상 장치 및 방법 | |
CN107843903B (zh) | 一种多阀值tdc高精度激光脉冲测距方法 | |
CN104569741A (zh) | 基于光纤复合架空地线的输电线路故障定位方法 | |
CN108008373B (zh) | 一种基于脉冲式激光测距的回波补偿*** | |
CN105258794A (zh) | 极小占空比半导体激光器峰值光功率的测试装置及方法 | |
CN107102173B (zh) | 一种基于光频域反射原理的啁啾光栅的标定装置及方法 | |
CN111982168A (zh) | 一种高精度的光纤光栅信号解调***及其方法 | |
CN104458215A (zh) | 一种光纤延迟线的延迟时间测量电路 | |
CN109506684B (zh) | 快速扫描激光器解调fbg传感器的波长修正方法及*** | |
CN109633672B (zh) | 脉冲式激光测距***及其测距方法 | |
CN210327580U (zh) | 一种光纤时延测量装置 | |
CN101825491B (zh) | 同时测量激光器调q能量和放大自发辐射的方法 | |
US11867540B2 (en) | Brillouin optical time domain reflectometer with ultra-high spatial resolution based on bipolar differential phase encoding | |
CN103516426A (zh) | 一种波分复用网络光时域反射计 | |
CN101975625B (zh) | 分布式光纤温度传感***及其测量方法 | |
CN103196472A (zh) | 基于随机非等间隔采样的光纤光栅动态应变解调仪及方法 | |
JP2014174069A (ja) | レーザ測距装置 | |
RU2623840C1 (ru) | Способ формирования внутренней шкалы времени устройств сравнения и синхронизации шкал времени и оптоволоконных рефлектометров и устройство для его осуществления | |
US20040046964A1 (en) | Instrument measuring chromatic dispersion in optical fibers | |
RU2357220C2 (ru) | Оптический рефлектометр | |
JP2757638B2 (ja) | 車間距離検知装置 | |
RU2640455C2 (ru) | Устройство для сравнения шкал времени |
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 | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Wavelength correction method and system of fast scanning laser demodulating FBG sensor Effective date of registration: 20220531 Granted publication date: 20201117 Pledgee: Branches of Jinan Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG MICRO PHOTOGRAPHIC ELECTRONIC Co.,Ltd. Registration number: Y2022980006672 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230327 Granted publication date: 20201117 Pledgee: Branches of Jinan Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG MICRO PHOTOGRAPHIC ELECTRONIC Co.,Ltd. Registration number: Y2022980006672 |