Design of an Infrared Shield Device Based on 1D Photonic Crystal

Abdel-Rahman, E. M., Beshr, K. A., Ghannam, R. and Shaarwi, A. (2010) Design of an Infrared Shield Device Based on 1D Photonic Crystal. 2nd International Conference on Metamaterials, Photonic Crystals and Plasmonics, Cairo, Egypt, 22-25 Feb 2010.

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A novel optical low pass filter acting as an infrared shield film is designed. The filter is composed of a 1D photonic crystal structure that blocks infrared light and passes only light of short wavelengths. The low pass filter has a configuration of 1.6(L/2(HL)nHL/2), which was modeled using the transfer matrix method (TMM). Here, H and L denote the high and low refractive indices material. In addition, L/2 matching layers are introduced to reduce the magnitude of ripples in the pass band. The design was done with computational help of optimization using “OpenFilters” software. Transmission greater than 90% in the visible region and reflection greater than 99% in the infrared region has been observed. The properties of the filter by varying the angle of incidence of light at both TE (p-polarization) and TM (s-polarization) modes have been investigated.

Item Type:Conference or Workshop Item
Glasgow Author(s) Enlighten ID:Ghannam, Dr Rami
Authors: Abdel-Rahman, E. M., Beshr, K. A., Ghannam, R., and Shaarwi, A.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
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