Research Papers

Enhancement of omnidirectional high-reflection wavelength range in one-dimensional ternary periodic structures: a comparative study

[+] Author Affiliations
Suneet K. Awasthi

Amity Institute of Applied Sciences, Amity University, Sector-125 Super Express Highway, Noida, Uttar Pradesh 201301 India

Usha Malaviya

Department of Physics, University of Lucknow, University Road, Lucknow, Uttar Pradesh 226007 India

Sant P. Ojha

Vice Chancellor, Chaudhary Charan Singh University, Meerut, Uttar Pradesh India

J. Nanophoton. 2(1), 023505 (March 26, 2008). doi:10.1117/1.2909452
History: Received March 7, 2008; Accepted March 11, 2008; March 26, 2008; Online March 26, 2008
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Abstract

A comparative study of enhancement of omnidirectional high-reflection wavelength range in one-dimensional ternary structured photonic crystals (PCs) was carried out. The PCs investigated are of the dielectric-birefringent type and the dielectric-metallic type. These were compared with a 1D all-dielectric ternary PC investigated earlier by us. The dielectric-birefringent PC gives a larger range enhancement as compared to the all-dielectric one, together with a reduction in the number of periods of the structure. Maximum range enhancement is obtained in the metallodielectric ternary PC, with a further reduction in size, as only six layers need to be deposited in this case. This implies easier fabrication methods and lower costs.

© 2008 Society of Photo-Optical Instrumentation Engineers

Topics

Reflection

Citation

Suneet K. Awasthi ; Usha Malaviya and Sant P. Ojha
"Enhancement of omnidirectional high-reflection wavelength range in one-dimensional ternary periodic structures: a comparative study", J. Nanophoton. 2(1), 023505 (March 26, 2008). ; http://dx.doi.org/10.1117/1.2909452


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