We propose a theoretical dispersive prism that will increase the resolution of refractive-index sensing for prism coupling in the Kretschmann-Raether (KR) configuration compared with the conventional nondispersive prism. The resonant surface plasmon polariton (SPP) mode is identified and the variables for optimal resolution using a nondispersive prism are analyzed. An iterative curve-fitting technique is applied to the refractive-index curve for a theoretical dispersive prism. Our results show that compared with the nondispersive prisms conventionally selected, our novel dispersive dielectric material increases the resolution for sensing by 77.8%.
|Commitee:||Kwon, Seok-Chul, Chassiakos, Anastasios|
|School:||California State University, Long Beach|
|School Location:||United States -- California|
|Source:||MAI 81/9(E), Masters Abstracts International|
|Keywords:||Plasmonics, Prism coupling, Sensors, Surface plasmon polariton|
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