Title :
Detection of volatile organic compounds with functionalized long-period gratings and micro-ring resonators
Author :
Saunders, John ; Dreher, M.A. ; Barnes, Jack A. ; Crudden, C.M. ; Brown, R.S. ; Loock, H. ; Dan-Xia Xu
Author_Institution :
Dept. of Chem., Queen´s Univ., Kingston, ON, Canada
Abstract :
Long-period gratings (LPGs) and micro-photonic SOI ring-resonators were coated with materials derived from polydimethyl-siloxane to detect volatile organic compounds in air. Both sensors are capable of detecting the refractive index change of the polymer upon uptake of the analyte. The LPGs response was further amplified by fiber cavity ring-down.
Keywords :
chemical sensors; diffraction gratings; fibre optic sensors; micro-optics; microcavities; optical resonators; optical sensors; organic compounds; refractive index measurement; silicon-on-insulator; fiber cavity ring-down; functionalized long-period gratings; long-period gratings; microphotonic SOI ring-resonators; microring resonators; polydimethyl-siloxane; polymer refractive index; volatile organic compounds; Cavity resonators; Chemical sensors; Coatings; Optical fiber sensors; Optical fibers; Polymers; SOI ring-resonator; cavity ring-down; chemical sensor; long-period grating; solid-phase micro-extraction;
Conference_Titel :
Information Photonics (IP), 2011 ICO International Conference on
Conference_Location :
Ottawa, ON
Print_ISBN :
978-1-61284-315-5
DOI :
10.1109/ICO-IP.2011.5953787
