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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 237-240 |
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Ghara'ati A R, Fathi N. Investigation of image resolution in different angles by using two-dimensional Graded Photonic Crystals with elliptical Cross-Section and negative index. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :237-240
URL: http://opsi.ir/article-1-1907-en.html
URL: http://opsi.ir/article-1-1907-en.html
1- Department of Physics, Payame Noor University,Tehran, Iran.
Abstract: (1615 Views)
In this paper, we use two dimensional graded photonic crystal consisting of square lattice with elliptical cross-section for designing negative effective index structures. The propagation of electric and magnetic fields is calculated by the finite-difference time-domain method. For calculation of photonic band structure and equal frequency contours we have used plan wave expansion method. According to the results, change angles of elements with elliptical Cross-Section have significant impact on the resolution.
Keywords: Graded Photonic Crystal, Finite-Difference Time-Domain method, elliptical cross-section, equal frequency contour
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