Title :
Hydrogen sensor based on air-gap long period fiber gratings
Author :
Wu, Pei-Ping ; Lin, Guei-Ru ; Wang, Yu-Li ; Fu, Ming-Yue ; Liu, Wen-Fung ; Sheng, Hao-Jan
Author_Institution :
Dept. of Electr. Eng., Feng-Chia Univ., Taichung, Taiwan
Abstract :
The hydrogen gas sensor based on air-gap long period fiber grating (AG-LPG) with the coated Pd thin-film is experimentally demonstrated with the sensitivity of 0.165 nm/% and can detect the minimum concentration of 606.06 ppm.
Keywords :
diffraction gratings; gas sensors; metallic thin films; palladium; Pd; air gap long period fiber gratings; coated palladium thin film; hydrogen gas sensor; minimum concentration; Chemical lasers; Gallium arsenide; Laser transitions; Monitoring; Semiconductor lasers; Wires;
Conference_Titel :
Opto-Electronics and Communications Conference (OECC), 2011 16th
Conference_Location :
Kaohsiung
Print_ISBN :
978-1-61284-288-2
Electronic_ISBN :
978-986-02-8974-9
