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Optical Engineering

Suppression of circular Bragg phenomenon in tilt-modulated chiral-sculptured thin films at oblique incidence
Author(s): Zahir Muhammad; Qaisar A. Naqvi; Muhammad Faryad
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Paper Abstract

By using a piecewise uniform approximation method, the reflectance and transmittance of light for an obliquely incident circularly polarized plane wave on a tilt-modulated chiral sculptured thin film (STF) were computed. The circular Bragg phenomenon was found to vanish when the amplitude of the modulation was high enough for oblique incidence. The tilt-modulated chiral STF then acts like a conventional mirror in the Bragg regime.

Paper Details

Date Published: 25 November 2014
PDF: 6 pages
Opt. Eng. 53(11) 117110 doi: 10.1117/1.OE.53.11.117110
Published in: Optical Engineering Volume 53, Issue 11
Show Author Affiliations
Zahir Muhammad, Quaid-i-Azam Univ. (Pakistan)
Qaisar A. Naqvi, Quaid-i-Azam Univ. (Pakistan)
Muhammad Faryad, Lahore Univ. of Management Sciences (Pakistan)

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