Title :
Functionalized distributed feedback lasers for hydrogen sensing applications
Author :
Griffin, Benjamin G. ; Arbabi, Amir ; Goddard, L.L.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Illinois at Urbana-Champaign, Urbana, IL, USA
Abstract :
Distributed feedback lasers with an integrated thin-film of palladium have been fabricated and measured. Palladium´s refractive index changes when exposed to hydrogen gas, producing a wavelength redshift and power increase proportional to hydrogen concentration.
Keywords :
chemical variables measurement; distributed feedback lasers; gas sensors; hydrogen; measurement by laser beam; metallic thin films; optical fabrication; palladium; red shift; refractive index measurement; H2; Pd; functionalized distributed feedback lasers; hydrogen concentration; hydrogen sensing; integrated palladium thin-film; refractive index; wavelength redshift; Distributed feedback devices; Hydrogen; Laser feedback; Laser modes; Measurement by laser beam; Sensors; Wavelength measurement;
Conference_Titel :
Photonics Conference (IPC), 2013 IEEE
Conference_Location :
Bellevue, WA
Print_ISBN :
978-1-4577-1506-8
DOI :
10.1109/IPCon.2013.6656442
