Planar Optical Waveguide Platform for Gas Sensing Using Liquid Crystal

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 demonstr...

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Veröffentlicht in:	IEEE sensors journal 2013-07, Vol.13 (7), p.2521-2522
Hauptverfasser:	Ho, Wing Fat, Chan, Hau Ping, Yang, Kun Lin
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemical sensors Ethanol liquid crystal (LCs) Optical refraction optical sensor Optical sensors Optical waveguides planar lightwave waveguide Power generation
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