Title :
Edge emitting sensors for accurate quantification of hydrogen composition above 0.5%
Author :
Griffin, Benjamin G. ; Goddard, Lynford L.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Illinois at Urbana-Champaign, Urbana, IL, USA
Abstract :
An edge-emitting waveguide laser with an integrated palladium thin film for hydrogen sensing is presented. This device exhibits a 15% increase in the laser output power and 50pm peak wavelength redshift per percent hydrogen.
Keywords :
gas sensors; metallic thin films; palladium; waveguide lasers; H2; Pd; accurate quantification; edge emitting sensors; edge-emitting waveguide laser; hydrogen composition; hydrogen sensing; integrated palladium thin film; redshift; Current measurement; Gas lasers; Power generation; Power lasers; Sensitivity; Sensors; Waveguide lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4