Title :
Evanescent waveguide absorption spectroscopy of trace gases
Author :
Stievater, T.H. ; Pruessner, M.W. ; Park, D. ; Holmstrom, S.A. ; McGill, R.A. ; Rabinovich, W.S.
Author_Institution :
Naval Res. Lab., Washington, DC, USA
Abstract :
We demonstrate the detection of water vapor adsorbed into a sorbent polymer layer coated onto highly evanescent SiN rib waveguides by measuring the change in absorption as a function of wavelength, polarization, and analyte concentration.
Keywords :
absorption; polymers; spectrometers; analyte concentration; evanescent waveguide absorption spectroscopy; highly evanescent SiN rib waveguides; polarization; sorbent polymer layer; trace gases; water vapor; Absorption; Optical polarization; Optical resonators; Optical sensors; Optical surface waves; Optical waveguides; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
