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Investigation of Surface Plasmon Resonance in Gold layers based on the kretschmann configuration: Theoretical and experimental approach. ICOP & ICPET _ INPC _ ICOFS 2014; 20 :145-148
URL: http://opsi.ir/article-1-104-en.html
URL: http://opsi.ir/article-1-104-en.html
Abstract: (8483 Views)
In this study we attempt to obtain the angular response of surface plasmons in Metal-Dielectric interface. By use of a prism (BK7) as dielectric and Gold thin film as a metal, an abrupt dip is observed in reflectance-incident angle diagram that the corresponding angle of dip in reflectance is “resonance angle”. Our theoretical investigation has been carried out on the dependence of resonance angle on the thicknesses of Gold thin films based on Characteristic Transmission Matrix method. Contrary in experimental configuration, we use a He-Ne polarized laser as light source. Our results show the good agreement between theoretical and experimental result.
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