Title :
Active fiber hydrogen sensors for low-temperature operation
Author :
Chen, Tong ; Buric, Michael P. ; Chen, Kevin P. ; Swinehart, Philip R. ; Maklad, Mokhtar
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Pittsburgh, Pittsburgh, PA, USA
Abstract :
We report a fiber hydrogen sensor for low-temperature operation. The low-temperature response time of palladium-coated fiber Bragg grating in high attenuation fiber is enhanced by 40 times with in-fiber laser heating.
Keywords :
Bragg gratings; fibre lasers; fibre optic sensors; gas sensors; hydrogen; laser beam applications; metallic thin films; palladium; H2; Pd; active fiber hydrogen sensor; fiber laser heating; fiber optics sensor; high attenuation fiber; low-temperature operation; palladium-coated fiber Bragg grating; Bragg gratings; Delay; Fiber gratings; Heating; Hydrogen; Optical attenuators; Optical fiber sensors; Power lasers; Temperature sensors; Thermal sensors; 060.2370 Fiber optics sensors; 280.4788 Optical sensing and sensors;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
