Presentation 2009-05-29
High-Speed Distributed Sensing Based on Brillouin Optical Correlation Domain Analysis
Weiwen Zou, Zuyuan He, Kazuo Hotate,
PDF Download Page PDF download Page Link
Abstract(in Japanese) (See Japanese page)
Abstract(in English) A novel method is proposed to realize high-speed distributed sensing based on Brillouin optical correlation domain analysis by continuously sweeping the sensing position along the fiber under test and recording the corresponding distributed Brillouin interaction at each pump-probe frequency offset. It is found that the period of the sensing position sweeping should be larger than the multiplication of the total sensing number and the data update time or the integral time constant of the lock-in detection in signal processing. The ramp sweep of the pump-probe frequency offset, the sensing position sweeping and the data acquisition are synchronized to enable 5Hz distributed sensing with ~53m measurement range and ~5cm spatial resolution.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) stimulated Brillouin scattering / fiber-optic sensors / distributed sensing / dynamic strain
Paper # OFT2009-13
Date of Issue

Conference Information
Committee OFT
Conference Date 2009/5/21(1days)
Place (in Japanese) (See Japanese page)
Place (in English)
Topics (in Japanese) (See Japanese page)
Topics (in English)
Chair
Vice Chair
Secretary
Assistant

Paper Information
Registration To Optical Fiber Technology (OFT)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) High-Speed Distributed Sensing Based on Brillouin Optical Correlation Domain Analysis
Sub Title (in English)
Keyword(1) stimulated Brillouin scattering
Keyword(2) fiber-optic sensors
Keyword(3) distributed sensing
Keyword(4) dynamic strain
1st Author's Name Weiwen Zou
1st Author's Affiliation Department of Electrical Engineering and Information Systems, The University of Tokyo()
2nd Author's Name Zuyuan He
2nd Author's Affiliation Department of Electrical Engineering and Information Systems, The University of Tokyo
3rd Author's Name Kazuo Hotate
3rd Author's Affiliation Department of Electrical Engineering and Information Systems, The University of Tokyo
Date 2009-05-29
Paper # OFT2009-13
Volume (vol) vol.109
Number (no) 59
Page pp.pp.-
#Pages 6
Date of Issue