Journal
OPTICS COMMUNICATIONS
Volume 268, Issue 1, Pages 182-188Publisher
ELSEVIER
DOI: 10.1016/j.optcom.2006.07.006
Keywords
linear-polarization rejection filter; columnar thin-film; Floquet harmonics; rigorous coupled-wave approach; superlattice
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A device to be obtained by depositing a columnar thin-film on a transparent substrate decorated periodically by an array of rectangular grooves is proposed as a narrowband, linear-polarization rejection filter. The rigorous coupled-wave approach is harnessed to calculate the reflectances and transmittances. High-quality filters of chosen materials and with less than 2 nm bandwidths can be designed with a vapor flux angle for deposition of the columnar thin-film as the controlling parameter. (c) 2006 Elsevier B.V. All rights reserved.
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