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Paper Abstract and Keywords
Presentation 2015-02-19 14:50
Brillouin Optical Correlation Domain Reflectometry with Lock-in Detection Scheme
Yuguo Yao, Masato Kishi, Kazuo Hotate (Todai) OCS2014-110 OFT2014-67 OPE2014-212 Link to ES Tech. Rep. Archives: OPE2014-212
Abstract (in Japanese) (See Japanese page) 
(in English) We have proposed a Brillouin optical correlation domain reflectometry (BOCDR) with lock-in detection scheme. The weak and noisy spontaneous Brillouin signal is output from the electrical spectrum analyzer as an analog signal, and detected synchronously and amplified using a lock-in amplifier. By further introducing phase modulation into the system to suppress the background optical noise, and using large modulation amplitude with appropriate filtering, the performance of the system is enhanced significantly. A 4cm spatial resolution is realized over 100m measurement range.
Keyword (in Japanese) (See Japanese page) 
(in English) Brillouin scattering / Optical fiber sensing / BOCDR / Lock-in detection / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 453, OPE2014-212, pp. 57-62, Feb. 2015.
Paper # OPE2014-212 
Date of Issue 2015-02-12 (OCS, OFT, OPE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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Download PDF OCS2014-110 OFT2014-67 OPE2014-212 Link to ES Tech. Rep. Archives: OPE2014-212

Conference Information
Committee OPE OCS OFT  
Conference Date 2015-02-19 - 2015-02-20 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To OPE 
Conference Code 2015-02-OPE-OCS-OFT 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Brillouin Optical Correlation Domain Reflectometry with Lock-in Detection Scheme 
Sub Title (in English)  
Keyword(1) Brillouin scattering  
Keyword(2) Optical fiber sensing  
Keyword(3) BOCDR  
Keyword(4) Lock-in detection  
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1st Author's Name Yuguo Yao  
1st Author's Affiliation The University of Tokyo (Todai)
2nd Author's Name Masato Kishi  
2nd Author's Affiliation The University of Tokyo (Todai)
3rd Author's Name Kazuo Hotate  
3rd Author's Affiliation The University of Tokyo (Todai)
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Speaker Author-1 
Date Time 2015-02-19 14:50:00 
Presentation Time 25 minutes 
Registration for OPE 
Paper # OCS2014-110, OFT2014-67, OPE2014-212 
Volume (vol) vol.114 
Number (no) no.451(OCS), no.452(OFT), no.453(OPE) 
Page pp.41-46(OCS), pp.57-62(OFT), pp.57-62(OPE) 
#Pages
Date of Issue 2015-02-12 (OCS, OFT, OPE) 


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