Sidelobe suppression in chiral optical filters by apodization of the local form birefringence.

Sidelobe suppression in chiral optical filters by apodization of the local form birefringence. Research Abstract Details 

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Sidelobe suppression in chiral optical filters by apodization of the local form birefringence. Abstract Text:

Andy C van Popta,Kevin R van Popta,Jeremy C Sit,Michael J Brett,Andy C van Popta,Kevin R van Popta,Jeremy C Sit,Michael J Brett,

Chiral optical filters are characterized by circular Bragg effects, including the preferential reflection and transmission of circular polarization states. The selective response to circularly polarized light is caused by stratified birefringent plates twisted into a helical arrangement, as seen in cholesteric liquid crystals and columnar thin films produced by oblique-angle physical vapor deposition. A refinement of the latter, glancing angle deposition employs substrate rotation to control the optical anisotropy of columnar thin films, and was used in this study to suppress the reflection sidelobes of chiral optical filters by modulating the local birefringence of helically structured thin films using an apodization function. Both theoretical simulations based on Berreman formalism, and experimental results involving evaporated TiO(2) thin films are presented and compared.

Sidelobe suppression in chiral optical filters by apodization of the local form birefringence. Publishing Authors By Initials

AC van Popta,KR van Popta,JC Sit,MJ Brett,AC van Popta,KR van Popta,JC Sit,MJ Brett,

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Sidelobe suppression in chiral optical filters by apodization of the local form birefringence. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Journal of the Optical Society of America. A, Opti

VOLUME: 24

Page Numbers: 3140-9

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ISSN: 1084-7529

DAY: 3

MONTH: Oct

YEAR: 2007

Sidelobe suppression in chiral optical filters by apodization of the local form birefringence. Information

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LANGUAGE: eng

NlmUniqueID: 9800943

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Grant and Affiliation Information for Sidelobe suppression in chiral optical filters by apodization of the local form birefringence.

AFFILIATION: Electrical and Computer Engineering Department, University of Alberta, 9107-116 Street, Edmonton, Alberta, T6G 2V4, Canada. vanpopta@ualberta.ca

Country: United States

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MEDLINETA: J Opt Soc Am A Opt Image Sci V

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