Title :
Palladium-coated photonic crystal vertical cavity lasers for hydrogen sensing applications
Author :
Griffin, Benjamin G. ; Kasten, Ansas M. ; Choquette, Kent D. ; Goddard, Lynford L.
Author_Institution :
Univ. of Illinois at Urbana-Champaign, Urbana, IL, USA
Abstract :
We report the integration of palladium on the surface of a photonic crystal VCSEL for use as a hydrogen sensor. We demonstrate a shift in output power and peak wavelength in response to hydrogen concentration.
Keywords :
chemical variables measurement; gas sensors; hydrogen; integrated optics; laser cavity resonators; measurement by laser beam; metallic thin films; optical films; palladium; photonic crystals; semiconductor lasers; spectral line shift; surface emitting lasers; H2; Pd-Jk; hydrogen concentration; hydrogen sensor; optical films; output power shift; palladium integration; palladium-coated photonic crystal vertical cavity lasers; peak wavelength shift;
Conference_Titel :
IEEE Photonics Society, 2010 23rd Annual Meeting of the
Conference_Location :
Denver, CO
Print_ISBN :
978-1-4244-5368-9
DOI :
10.1109/PHOTONICS.2010.5698915
