Title :
Ultra-Remote Fibre Optic Acoustic Sensing Array based on RF Modulation
Author :
Littler, Ian C M ; Chow, Jong H. ; McClelland, David E. ; Gray, Malcolm B.
Author_Institution :
Dept. of Phys., Australian Nat. Univ., Canberra, ACT
Abstract :
RF modulation locking techniques applied to fibre Fabry Perot interferometers enable array based sensitive detection over very long distances in a single fibre. We present results showing multi-channel operation in a 120 km loop using this technique.
Keywords :
Fabry-Perot interferometers; acoustic variables measurement; fibre optic sensors; remote sensing; Fabry Perot interferometers; RF modulation locking; array-based sensitive detection; distance 120 km; multichannel operation; ultraremote fibre optic acoustic sensing array; Acoustic arrays; Acoustic sensors; Capacitive sensors; Fiber lasers; Fiber optics; Laser noise; Optical arrays; Optical fiber polarization; Radio frequency; Sensor arrays;
Conference_Titel :
Optical Internet, 2007 and the 2007 32nd Australian Conference on Optical Fibre Technology. COIN-ACOFT 2007. Joint International Conference on
Conference_Location :
Melbourne, VIC
Print_ISBN :
978-0-9775657-3-3
Electronic_ISBN :
978-0-9775657-3-3
DOI :
10.1109/COINACOFT.2007.4519193