Simple Theory for Surface-Plasmon-Polariton Resonance on Sinusoidal Metal Surface:Application to SERS
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概要
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The field enhancement for a p-polarized incident light near a sinusoidal gratingsurface arising from surface-plasmon-polariton excitation is studied by an im-proved first-order perturbation theory in which the importance of the back-scattering terms is taken into account. The dependences of the reflectivity andthe enhancement factor on the amplitude of the grating are discussed. The maxi-mum enhancement factor and the most suitable grating amplitude are calculated asfunctions of the frequency of the incident light for various grating periodicities,Under certain circumstances, the field enhancement may achieve above 10' forAg gratings near 1.3 eV of the incident-light frequency. It means 10' times en-hancement of the Raman scattering (SIRS) of molecules adsorbed on the metallicgrating surface.
- 社団法人日本物理学会の論文
- 1983-07-15
著者
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Tsuji Mikio
Department Of Applied Science Faculty Of Engineering College Of General Education Kyushu University
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Yamashita Masataka
Department To Applied Sience Faculty Of Engineering Kyushu University
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Tsuji Mikio
Department Of Applied Sience Faculty Of Engineering Kyushu University
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