Title :
A coal mine security monitoring system based on multiplexed fibre bragg grating sensors and coherence-multiplexing technique
Author :
Xia, Tianhao ; Zhou, Bin ; Liu, Weisheng ; Guan, Zuguang
Author_Institution :
State Key Lab. for Modem Opt. Instrum., Zhejiang Univ., Hangzhou, China
fDate :
Oct. 30 2008-Nov. 2 2008
Abstract :
An FBG sensing system for coal mine security monitoring is proposed in this paper. It works over a spatial-division-multiplexing/coherence-multiplexing network to realize quasi-distributed sensing. Methane concentration, strain, and temperature are measured in the experiment.
Keywords :
Bragg gratings; chemical sensors; chemical variables measurement; coal; condition monitoring; distributed sensors; fibre optic sensors; mining; multiplexing; security; strain measurement; strain sensors; temperature measurement; temperature sensors; FBG sensing system; coal mine security monitoring system; coherence-multiplexing technique; methane concentration measurement; multiplexed fibre Bragg grating sensor; quasidistributed sensing; spatial-division-multiplexing; strain measurement; temperature measurement; Bragg gratings; Capacitive sensors; Fiber gratings; Optical fiber sensors; Optical interferometry; Optical sensors; Remote monitoring; Security; Sensor systems; Temperature sensors;
Conference_Titel :
Optical Fiber Communication & Optoelectronic Exposition & Conference, 2008. AOE 2008. Asia
Conference_Location :
Shanghai
Print_ISBN :
978-1-55752-863-6
Electronic_ISBN :
978-1-55752-863-6
