Title :
Cladding mode recoupling based displacement sensor by concatenating up taper and chirped fiber Bragg grating
Author :
Tao Qi ; Shilin Xiao ; Jie Shi ; Zhao Zhou ; Meihua Bi
Author_Institution :
State Key Lab. of Adv. Opt. Commun. Syst. & Networks, Shanghai Jiao Tong Univ., Shanghai, China
Abstract :
Displacement sensor based on the cladding modes recoupling by using fiber up taper cascaded with chirped fiber Bragg grating is demonstrated. The reflection power difference reaches 135 μW within displacement change of 3750 μm.
Keywords :
Bragg gratings; chirp modulation; displacement measurement; fibre optic sensors; optical fibre cladding; chirped fiber Bragg grating; cladding mode recoupling; displacement change; displacement sensor; fiber up taper; reflection power difference; tapered fiber Bragg grating; Fiber gratings; Optical fiber sensors; Optical fibers; Reflection; Temperature sensors;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
