Negative Refraction, Subwavelength Lensing Effect and Total Mirror with a Photonic Crystal Structure
Publish place: majlesi Journal of Electrical Engineering، Vol: 12، Issue: 1
Publish Year: 1397
نوع سند: مقاله ژورنالی
زبان: English
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JR_MJEE-12-1_007
تاریخ نمایه سازی: 25 بهمن 1401
Abstract:
We have presented the investigation on the slab of photonic crystals that was made of a honeycomb lattice of silicon embedded in free space. For the simulation of this structure was used the two-dimensional finite-difference time-domain (FDTD) method. This arrangement was shown that with suitable choice of frequency can have negative refraction with an effect metamedium with . In this conditions, in TE polarization can be used total mirror and in TM polarization can be used superlens. In a certain frequency, this type of photonic crystal structure acts as left handed martial that they were named metamaterials. A wide range effects were studied by this structure. For be shown these unusual phenomena, we analyses the contour map and solid model of electric field and magnetic field for a photonic crystals structure. This structure has negative refraction of light, subwavelength lensing effect, ۱۰۰% reflector. These feathers there are in metamaterials that also in photonic crystals can be shown. We have presented the investigation on the slab of photonic crystals that was made of a honeycomb lattice of silicon embedded in free space. For the simulation of this structure was used the two-dimensional finite-difference time-domain (FDTD) method. This arrangement was shown that with suitable choice of frequency can have negative refraction with an effect metamedium with . In this conditions, in TE polarization can be used total mirror and in TM polarization can be used superlens. In a certain frequency, this type of photonic crystal structure acts as left handed martial that they were named metamaterials. A wide range effects were studied by this structure. For be shown these unusual phenomena, we analyses the contour map and solid model of electric field and magnetic field for a photonic crystals structure. This structure has negative refraction of light, subwavelength lensing effect, ۱۰۰% reflector. These feathers there are in metamaterials that also in photonic crystals can be shown.
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Authors
Zohreh Dorrani
Department of Electrical Engineering, Payame Noor University (PNU), IRAN
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