Please use this identifier to cite or link to this item: https://doi.org/10.1109/JSEN.2013.2254596
Title: Planar optical waveguide platform for gas sensing using liquid crystal
Authors: Ho, W.F.
Chan, H.P.
Yang, K.L. 
Keywords: Ethanol
liquid crystal (LCs)
optical sensor
planar lightwave waveguide
Issue Date: 2013
Source: Ho, W.F., Chan, H.P., Yang, K.L. (2013). Planar optical waveguide platform for gas sensing using liquid crystal. IEEE Sensors Journal 13 (7) : 2521-2522. ScholarBank@NUS Repository. https://doi.org/10.1109/JSEN.2013.2254596
Abstract: We propose a simple method for detecting chemical gases using liquid crystal on a planar optical waveguide. Through measuring waveguide output power, this method detects changes in the director of liquid crystal molecules as well as the refractive index, which attributed to gas exposure. We demonstrate this idea by constructing a compact and fast-response ethanol gas sensor. © 2001-2012 IEEE.
Source Title: IEEE Sensors Journal
URI: http://scholarbank.nus.edu.sg/handle/10635/64412
ISSN: 1530437X
DOI: 10.1109/JSEN.2013.2254596
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