A comparative analysis of surface plasmon resonance fiber sensor with symmetric and asymmetric metal coating by three-dimensional ray-tracing

Sookyoung Roh; Hwi Kim; Byoungho Lee

doi:10.1117/12.861074

18 August 2010 A comparative analysis of surface plasmon resonance fiber sensor with symmetric and asymmetric metal coating by three-dimensional ray-tracing

Sookyoung Roh, Hwi Kim, Byoungho Lee

Author Affiliations +

Proceedings Volume 7781, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IV; 778111 (2010) https://doi.org/10.1117/12.861074
Event: SPIE Photonic Devices + Applications, 2010, San Diego, California, United States

Abstract

A numerical analysis of the fiber-optic surface plasmon resonance (SPR) sensor with crescent shape of metal coating is presented. The crescent shape of metal coating usually occurs during one side metal deposition on the cylindrical fiber. Here, for analysis of the performance of fiber-optic SPR sensors with such asymmetric metal coating, the method of three-dimensional (3D) ray-tracing and theoretical calculation of electromagnetic reflection and transmission at the metal film are applied simultaneously, which result in 3D analysis with reduced time consumption and data loads. We investigate the characteristic of fiber-optic SPR sensor with asymmetric metal layer, comparing with those of the symmetric metal coated fiber, and discuss the asymmetry effect of the sensors for practical sensing and provide the information for improving sensing capability.

Citation Download Citation

Sookyoung Roh, Hwi Kim, and Byoungho Lee "A comparative analysis of surface plasmon resonance fiber sensor with symmetric and asymmetric metal coating by three-dimensional ray-tracing", Proc. SPIE 7781, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IV, 778111 (18 August 2010); https://doi.org/10.1117/12.861074

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