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H. AZARSHAB1,* , A. GHARAATI1
In this paper, we study a multichannel filter by using one dimensional (1D) metallo-dielectric photonic crystal (PC). First, the band gap width (BGW) is examined in normal incidence. Next, we investigate transmission spectra in terms of wavelength for different number of defect layers. Also, we show the influence of different angles of incidence on BGW and wavelength of defect mode in transverse electric (TE) and transverse magnetic (TM) polarizations on the plane of wavelength and incident angle. Then, we demonstrate the effect of different thicknesses of defect layer on transmission spectra. Besides, we investigate transmittance in terms of wavelength and its dependence on the different thickness of dielectric defect layer. Furthermore, we demonstrate that by increasing the number of defect layer and also by increasing thickness of defect layer, the defect mode will be increased. The theoretical analysis shows this structure of combined PC can use as a multichannel filter within a certain wavelength range..
Multichannel filter, Binary photonic crystal, Metallo-dielectric photonic crystal, Band gap.
H. AZARSHAB, A. GHARAATI, Modeling of multichannel filter based on metallodielectric nano photonic crystal with coupled defect layers, Optoelectronics and Advanced Materials - Rapid Communications, 13, 1-2, January-February 2019, pp.20-25 (2019).
Submitted at: Oct. 2, 2017
Accepted at: Feb. 12, 2019
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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