Abstract
A 100-km long distance fiber Bragg Grating (FBG) vibration sensor system is demonstrated by using a Raman pump laser source at 1395 nm and two segments of erbium doped fiber (EDF). The reflected spectrum of FBG has 30dB signal noise ratio. By using a wavelength matched FBG to achieve wavelength demodulation, vibration frequencies from 1Hz to 1000Hz has been effectively detected in this 100km long distance vibration sensor system.
Original language | English |
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Title of host publication | 21st International Conference on Optical Fiber Sensors |
Volume | 7753 |
DOIs | |
Publication status | Published - 9 Jun 2011 |
Externally published | Yes |
Event | 21st International Conference on Optical Fiber Sensors - Ottawa, ON, Canada Duration: 15 May 2011 → 19 May 2011 |
Conference
Conference | 21st International Conference on Optical Fiber Sensors |
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Country/Territory | Canada |
City | Ottawa, ON |
Period | 15/05/11 → 19/05/11 |
Keywords
- FBG sensor
- Long distance sensor
- Matching filter demodulation
- Raman scattering
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering