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year 28, Issue 2 (ICOP & ICPET 2022 2022)                   ICOP & ICPET _ INPC _ ICOFS 2022, 28(2): 816-819 | Back to browse issues page

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minaee S, Tavassoli S H. Emission of photonic Nano jets by dielectric microspheres. ICOP & ICPET _ INPC _ ICOFS 2022; 28 (2) :816-819
URL: http://opsi.ir/article-1-2609-en.html
1- Shahid Beheshti University
Abstract:   (654 Views)
In this study, the effect of the presence of SiO2 dielectric microspheres in the surface-enhanced Raman spectroscopy (SERS) method has been investigated by simulation. For this purpose, plane waves were irradiated to SiO2 microspheres in the presence of two gold nanoparticles and the production of substituted photonic nano jets was investigated. The results of the finite difference time domain (FDTD) simulation illustrated that SiO2 dielectric microspheres result in a better field distribution than the conventional (SERS) method. Therefore, the method used in this study is more efficient than conventional SERS methods, and by changing parameters such as refractive index, particle size, and incident wavelength, the intensity, position and, working distance of photonic nano jets can be adjusted.
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Type of Study: Experimental | Subject: Special

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