Title :
Coherent optical frequency modulated continuous-wave for interrogation of long-period-grating-type sensors
Author_Institution :
Centre for Opt. & Electromagn. Res., Zhejiang Univ., Hangzhou, China
fDate :
Oct. 30 2008-Nov. 2 2008
Abstract :
We proposed a novel real-time sensing scheme based on an alterant optical frequency modulated continuous-wave technique to multiplex long-period grating (LPG) type sensors. A measurement of bending is demonstrated to verify good performances of the system.
Keywords :
bending; diffraction gratings; fibre optic sensors; frequency modulation; light coherence; mechanical variables measurement; optical modulation; OFMCW technique; bending curvature measurement; coherent optical frequency modulated continuous-wave technique; long-period-grating-type sensors; real-time LPG sensing scheme; Biomedical optical imaging; Frequency modulation; High speed optical techniques; Optical fiber sensors; Optical modulation; Optical refraction; Optical sensors; Optical surface waves; Optical variables control; Wavelength division multiplexing;
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
