Analysis of fiber optic SPR sensor utilizing platinum based nanocomposites |
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| Authors: | Kruti Shah Navneet K. Sharma Vivek Sajal |
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| Affiliation: | 1.Department of Physics and Materials Science and Engineering,Jaypee Institute of Information Technology,Noida,India |
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| Abstract: | SPR based fiber optic sensor using nanocomposite is presented. Nanocomposites comprising of Pt nanoparticles with various volume fractions embedded in dielectric matrices of TiO2 and SnO2 are considered. Sensitivity enhances with increase in thickness of nanocomposite and volume fraction of nanoparticles for both nanocomposites. Optimized thicknesses are obtained to be 40 and 50 nm for Pt–TiO2 and Pt–SnO2 nanocomposites respectively while optimized volume fraction is found to be 0.85 for both nanocomposites. 40 nm thick Pt–TiO2 nanocomposite based sensor with 0.85 volume fraction possesses utmost sensitivity. |
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