Title :
Silicon on sapphire chip based photonic crystal waveguides for detection of chemical warfare simulants and volatile organic compound
Author :
Yi Zou ; Wray, Parker ; Chakravarty, Swapnajit ; Chen, Ray T.
Author_Institution :
Electr. & Comput. Eng. Dept., Univ. of Texas at Austin, Austin, TX, USA
Abstract :
We experimentally demonstrate the first holey and slotted photonic crystal waveguides in silicon-on-sapphire at mid-infrared wavelength of 3.43 μm. Chemical warfare simulant triethylphosphate was detected in gas phase at 10ppm concentration via optical absorbance signature.
Keywords :
chemical hazards; gas sensors; infrared detectors; integrated optics; optical waveguides; organic compounds; photonic crystals; silicon-on-insulator; chemical warfare simulant detection; gas phase; holey photonic crystal waveguides; optical absorbance signature; silicon on sapphire chip; slotted photonic crystal waveguides; triethylphosphate; volatile organic compound; wavelength 3.43 mum; Absorption; Optical sensors; Optical waveguides; Photonic crystals; Sensitivity; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
