FILTERS

Circular polarization filters made of chiral sculptured thin films: experimental and simulation results

[+] Author Affiliations
Qihong Wu, Ian J. Hodgkinson

University of Otago, Department of Physics, PO Box 56, Dunedin, New Zealand

Akhlesh Lakhtakia

Pennsylvania State University, Department of Engineering Science and Mechanics, CATMAS—Computational and Theoretical Materials Sciences Group, University Park, Pennsylvania?16802-6812

Opt. Eng. 39(7), 1863-1868 (Jul 01, 2000). doi:10.1117/1.602570
History: Received June 25, 1999; Revised Nov. 17, 1999; Accepted Dec. 14, 1999
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Abstract

Thin-film helicoidal bianisotropic medium (TFHBM) layers with large local linear birefringence are fabricated using the serial bideposition technique. The viability of axially excited TFHBM layers as circular polarization filters is experimentally demonstrated. The presence of index-matched cover and substrate media is shown to enhance the filter performance of a TFHBM layer. A thinner TFHBM layer is required for adequate performance when the local linear birefringence is higher. © 2000 Society of Photo-Optical Instrumentation Engineers.

© 2000 Society of Photo-Optical Instrumentation Engineers

Citation

Qihong Wu ; Ian J. Hodgkinson and Akhlesh Lakhtakia
"Circular polarization filters made of chiral sculptured thin films: experimental and simulation results", Opt. Eng. 39(7), 1863-1868 (Jul 01, 2000). ; http://dx.doi.org/10.1117/1.602570


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