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year 27, Issue 2 (ICOP & ICPET 2021 2021)
ICOP & ICPET _ INPC _ ICOFS 2021, 27(2): 257-260 |
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jooyandeh S, hosseinifarzad M. Design & simulation of plasmonic nanosensor based on grating coupling. ICOP & ICPET _ INPC _ ICOFS 2021; 27 (2) :257-260
URL: http://opsi.ir/article-1-2354-en.html
URL: http://opsi.ir/article-1-2354-en.html
1- Shiraz University, Shiraz, Iran
Abstract: (850 Views)
Nanosensors have received special attention because of their high sensitivity rather than othertypes of sensors.In this research, it has been simulated a structure based on grating coupling methode by putting a gold layer having thickness as 300 nm on a 2 µm thick of SiO2 layer by using COMSOL software and optimal parameter was obtained. After optimization, applied the varying of refractive index by putting a microparticle having refractive index as 1.30 between the grating and the slit. Comparing diagrams, it was obtained that the three-graing structure has better sensory properties due to the increase in the amount of sensitivity.
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