Journal
JOURNAL OF MODERN OPTICS
Volume 61, Issue 3, Pages 182-196Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09500340.2013.878043
Keywords
Argand diagram; surface plasmon resonance; bimetallic thin film; sensitivity
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Funding
- Council of Scientific and Industrial Research (CSIR), India
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Metallic film thickness optimization in mono- and bimetallic plasmonic structures has been carried out in order to determine the correct device parameters. Different resonance parameters, such as reflectivity, phase, field enhancement, and the complex amplitude reflectance Argand diagram (CARAD), have been investigated for the proposed optimization procedure. Comparison of mono- and bimetallic plasmonic structures has been carried out in the context of these resonance parameters with simultaneous angular and spectral interrogation. Differential phase analysis has also been performed and its application to sensing has been discussed along with a proposed interferometric set-up.
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