Performance of admittance loci based design of plasmonic sensor at infrared wavelength

Kaushik Brahmachari; Mina Ray

doi:10.1117/1.OE.52.8.087112

21 August 2013 Performance of admittance loci based design of plasmonic sensor at infrared wavelength

Kaushik Brahmachari, Mina Ray

Author Affiliations +

Optical Engineering, Vol. 52, Issue 8, 087112 (August 2013). https://doi.org/10.1117/1.OE.52.8.087112

Abstract

A Kretschmann-Raether prism-based three-layer structure consisting of a prism, gold (Au) metal film, and dielectric sample has been investigated with the use of admittance loci method in attenuated total internal reflection mode. High index prism materials like silicon, chalcogenide (2S2G), and SF14 have been used to study their effect on surface plasmon resonance (SPR) sensing (at 1200-nm wavelength) in infrared region by corresponding admittance loci plots and also by SPR sensing curves. The performance of the sensor based on the choice of the prism material has been discussed with the help of sensitivity plots giving due importance to the dynamic range of the designed sensor.

Citation Download Citation

Kaushik Brahmachari and Mina Ray "Performance of admittance loci based design of plasmonic sensor at infrared wavelength," Optical Engineering 52(8), 087112 (21 August 2013). https://doi.org/10.1117/1.OE.52.8.087112

Published: 21 August 2013

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