Title :
Fast pump-power-independent brillouin fiber optic sensor
Author :
Motil, Avi ; Danon, Orr ; Peled, Yair ; Tur, Moshe
Author_Institution :
Sch. of Eng., Tel Aviv Univ., Ramat Aviv, Israel
Abstract :
A fast and distributed Brillouin sensor, which is immune to pump power variations is presented. 120Hz strain vibrations are measured over 50m fiber with >1kHz sampling rate, demonstrating immunity to >5dB pump power variations.
Keywords :
Brillouin spectra; fibre optic sensors; internal stresses; optical pumping; strain sensors; distributed Brillouin sensor; fast pump-power-independent Brillouin fiber optic sensor; frequency 120 Hz; pump power variations; sampling rate; strain vibrations; Frequency measurement; Optical fiber sensors; Optical fibers; Probes; Scattering; Strain;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-5575-2994-7
DOI :
10.1364/OFC.2014.M3J.5