Title :
Analysis of LPFG sensitivity to external refractive index with different cladding radius and coupling mode
Author :
Wang, Xiang ; Li, Xinwan ; Luo, Haimei ; Chen, Jianping
Author_Institution :
State Key Lab. of Adv. Opt. Commun. Syst. & Networks, Shanghai Jiao Tong Univ., Shanghai, China
fDate :
Oct. 30 2008-Nov. 2 2008
Abstract :
A long period grating is eroded. Experimental results show that resonant wavelength shift of can be enhanced by choosing thinner cladding radius and higher order cladding mode. Analysis is given to explain the principle.
Keywords :
diffraction gratings; optical fibre cladding; optical fibre couplers; refractive index; cladding mode; cladding radius; coupling mode; external refractive index; long-period fiber grating; resonant wavelength shift; Fiber gratings; Optical coupling; Optical fiber communication; Optical fiber devices; Optical fiber sensors; Optical refraction; Optical sensors; Optical variables control; Refractive index; Resonance;
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
