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Proceedings Paper

A PMMA-metal lamella grating based surface plasmon resonance device
Author(s): Yongjun Lim; Kyongsik Choi; Hwi Kim; Seyoon Kim; Seunghoon Han; Byoungho Lee
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Paper Abstract

Recently, a lot of interests have been focused on surface plasmon resonance (SPR), generated by the charge density oscillation existing on the interface between dielectric and metal surface. This particular surface wave has been widely used for sub-wavelength scale photonic circuits, fluorescence microscopy, bio-sensing devices, and photonic display applications. Also, it has a lot of potentials from holographic optical devices to holographic display applications. The measurement of SPR can be simply evaluated by the well-known Kretchmann-Raether attenuated total reflection geometry using angle multiplexing of the incident wave. Based on these concepts, we propose and analyze a plasmon-coupled waveguide and a polymethyl-methacrylate (PMMA) metal thin film grating structure for optical beam coupling and splitting applications. For efficient beam coupling and splitting, we analyze the SPR phenomenon and design plasmon-coupled waveguide structures and the grating structures. To form the PMMA-metal lamella grating structure, we inscribe the grating on the PMMA layer by using excimer laser with the wavelength of 244nm. Then, we deposit gold on the PMMA grating. Finally some experimental results, discussion, and its practical photonic applications are provided.

Paper Details

Date Published: 27 February 2006
PDF: 8 pages
Proc. SPIE 6136, Practical Holography XX: Materials and Applications, 61360L (27 February 2006); doi: 10.1117/12.645818
Show Author Affiliations
Yongjun Lim, Seoul National Univ. (South Korea)
Kyongsik Choi, Seoul National Univ. (South Korea)
Hwi Kim, Seoul National Univ. (South Korea)
Seyoon Kim, Seoul National Univ. (South Korea)
Seunghoon Han, Seoul National Univ. (South Korea)
Byoungho Lee, Seoul National Univ. (South Korea)

Published in SPIE Proceedings Vol. 6136:
Practical Holography XX: Materials and Applications
Hans I. Bjelkhagen; Roger A. Lessard, Editor(s)

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