Simplified Brillouin Optical Correlation Domain Analysis Sensor based on a Chopped Microwave Applied Single Sideband Electro-Optic Modulator

Title
Simplified Brillouin Optical Correlation Domain Analysis Sensor based on a Chopped Microwave Applied Single Sideband Electro-Optic Modulator
Authors
정지호이관일송광용이재하정제명이상배
Keywords
Fiber optics sensors; Fiber optics; stimulated Brillouin; Scattering
Issue Date
2013-03
Publisher
OFC/NFOEC 2013
Abstract
We propose and experimentally demonstrate a novel scheme of the Brillouin optical correlation domain analysis (BOCDA) using a single sideband electro-optic modulator (SSBM). In the work, the SSBM is used to get carrier suppressed upper sideband for the pump wave, and also lock-in detection is used by applying chopped microwave to SSBM for chopping the pump wave. This implementation enables us to eliminate an additional intensity modulator (IM) for lock-in detection in conventional BOCDA scheme. In the experiment, a 100-m measurement range with 8-cm spatial resolution is successfully achieved.
URI
http://pubs.kist.re.kr/handle/201004/44864
Appears in Collections:
KIST Publication > Conference Paper
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