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Theoretical modeling of lossy mode resonance based refractive index sensors with ITO/TiO2 bilayers

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Title Theoretical modeling of lossy mode resonance based refractive index sensors with ITO/TiO2 bilayers
 
Creator PALIWAL, N
JOHN, J
 
Subject THIN-FILMS
 
Description A lossy mode resonance (LMR) based fiber optic refractive index (RI) sensor utilizing indium tin oxide (ITO)/titanium dioxide (TiO2) bilayers has been theoretically investigated. Specifically, the effect of different thickness ratios of bilayers on the sensitivity to surrounding medium RI variations was studied. It was observed that for a specific thickness ratio, a two fold increase in sensitivity can be achieved in comparison to conventional LMR sensors using a single absorbing thin film. The sensitivity can be enhanced by tuning the total bilayer thickness and bilayer thickness ratio for the desired application, which is not possible in conventional LMR sensors. (C) 2014 Optical Society of America
 
Publisher OPTICAL SOC AMER
 
Date 2014-12-29T04:52:41Z
2014-12-29T04:52:41Z
2014
 
Type Article
 
Identifier APPLIED OPTICS, 53(15)3241-3246
1559-128X
2155-3165
http://dx.doi.org/10.1364/AO.53.003241
http://dspace.library.iitb.ac.in/jspui/handle/100/17124
 
Language English