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Proceedings Paper

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

Paper Details

Date Published: 18 August 2010
PDF: 8 pages
Proc. SPIE 7781, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IV, 778111 (18 August 2010); doi: 10.1117/12.861074
Show Author Affiliations
Sookyoung Roh, Seoul National Univ. (Korea, Republic of)
Hwi Kim, Korea Univ. (Korea, Republic of)
Byoungho Lee, Seoul National Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 7781:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IV
Shizhuo Yin; Ruyan Guo, Editor(s)

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