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Hatami M, Rajabi R, Seyedyazdi J. Investigation of Defect Modes in One-Dimensional Photonic Crystal of Nano-Porous TiO2 in Visible Light Region Considering Refractive Index Dispersion. ICOP & ICPET _ INPC _ ICOFS 2014; 20 :1493-1496
URL: http://opsi.ir/article-1-126-en.html
URL: http://opsi.ir/article-1-126-en.html
1- 1Department of Physics, Science & Research Branch, Islamic Azad University, Fars, Iran
2- 2Department of Physics, Faculty of Science, Vali-e-Asr University of Rafsanjan, Iran
2- 2Department of Physics, Faculty of Science, Vali-e-Asr University of Rafsanjan, Iran
Abstract: (7427 Views)
In this study considering refractive index dispersion and transfer matrix method, after optimization of the refractive index and thickness of the layers in a 1D photonic crystal in order to have a photonic band gap in the visible light region, we add a defect layer and made a photonic crystal with a symmetric structure and studied band gap and defect modes. The results show that considering refractive index dispersion for layers not only decrease the band gap, but also decrease the location and intensity of defect modes in the band gap. These findings are very important to consider in related applications.
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