Biosensing Using Long-Range Surface Plasmon Structures

Abstract

We report a parametric study of a long-range plasmon waveguide for the modal profiles, effective index and propagation losses as a function of the metal layer thickness and the variations in the refraction index of the upper cladding. Such device can be used as an optical biosensor. All calculations are performed using COMSOL Multiphysics, and the amplitude- and phase- responses of the device are obtained from the changes in the real and imaginary part of the effective index of the plasmon mode, respectively.

Publication Date

1-1-2018

Publication Title

Proceedings of SPIE - The International Society for Optical Engineering

Volume

10728

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

DOI Link

https://doi.org/10.1117/12.2320281

Socpus ID

85054761682 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85054761682

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