Title :
Long variable delay and distributed sensing using stationary and localized Brillouin dynamic gratings
Author :
Antman, Yair ; Primerov, N. ; Sancho, J. ; Thevenaz, Luc ; Zadok, Avi
Author_Institution :
Fac. of Eng., Bar-Ilan Univ., Ramat-Gan, Israel
Abstract :
Stationary and localized Brillouin dynamic gratings are generated using phase modulation of both pump waves by a pseudo-random bit sequence. The gratings are applied to long variable delay of pulses and to cm-level distributed sensing.
Keywords :
diffraction gratings; distributed sensors; fibre optic sensors; optical modulation; optical pumping; phase modulation; random number generation; cm-level distributed sensing; localized Brillouin dynamic gratings; long variable delay; phase modulation; pseudorandom bit sequence; pump waves; stationary Brillouin dynamic gratings; Delay; Fiber gratings; Gratings; Optical fiber polarization; Optical fiber sensors; Scattering;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4673-0262-3