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Paper Abstract and Keywords
Presentation 2011-01-27 16:00
Measurement range elongation based on a temporal gating scheme in Brillouin optical correlation domain distributed discrimination system for strain and temperature operated by a single laser
Rodrigo Kendy Yamashita (Univ. of Tokyo), Weiwen Zou (Shanghai Jiao Tong Univ.), Zuyuan He, Kazuo Hotate (Univ. of Tokyo) OFT2010-53
Abstract (in Japanese) (See Japanese page) 
(in English) We have demonstrated distributed discrimination of strain and temperature by localizing and scanning both the Stimulated Brillouin scattering (SBS) and the Brillouin dynamic grating (BDG) along a polarization maintaining fiber, with elongated measurement range. The localization and scanning is performed by a correlation domain technique, whose measurement range is restricted by the distance between consecutive correlation peaks. To overcome this restriction, we applied a temporal gating scheme to the system, enlarging the measurement range from ~8 m to ~500 m. Here, we report the results confirming the effectiveness of this scheme in a system operated by a single laser source and demonstrate strain-temperature discrimination when strain or temperature is applied to segments on the 500-m-long fiber under test.
Keyword (in Japanese) (See Japanese page) 
(in English) Stimulated Brilluoin scattering / Brillouin dynamic grating / fiber optic sensors / strain and temperature discrimination / BOCDA / temporal gating scheme / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 397, OFT2010-53, pp. 31-36, Jan. 2011.
Paper # OFT2010-53 
Date of Issue 2011-01-20 (OFT) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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Conference Information
Committee OFT  
Conference Date 2011-01-27 - 2011-01-28 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To OFT 
Conference Code 2011-01-OFT 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Measurement range elongation based on a temporal gating scheme in Brillouin optical correlation domain distributed discrimination system for strain and temperature operated by a single laser 
Sub Title (in English)  
Keyword(1) Stimulated Brilluoin scattering  
Keyword(2) Brillouin dynamic grating  
Keyword(3) fiber optic sensors  
Keyword(4) strain and temperature discrimination  
Keyword(5) BOCDA  
Keyword(6) temporal gating scheme  
Keyword(7)  
Keyword(8)  
1st Author's Name Rodrigo Kendy Yamashita  
1st Author's Affiliation The University of Tokyo (Univ. of Tokyo)
2nd Author's Name Weiwen Zou  
2nd Author's Affiliation Shanghai Jiao Tong University (Shanghai Jiao Tong Univ.)
3rd Author's Name Zuyuan He  
3rd Author's Affiliation The University of Tokyo (Univ. of Tokyo)
4th Author's Name Kazuo Hotate  
4th Author's Affiliation The University of Tokyo (Univ. of Tokyo)
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Speaker Author-1 
Date Time 2011-01-27 16:00:00 
Presentation Time 25 minutes 
Registration for OFT 
Paper # OFT2010-53 
Volume (vol) vol.110 
Number (no) no.397 
Page pp.31-36 
#Pages
Date of Issue 2011-01-20 (OFT) 


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