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Proceedings Paper

Holographic eight-fold photonic quasi-crystal
Author(s): Weidong Mao; Kai Shen; Michael R. Wang
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Paper Abstract

We demonstrate that large area eight-fold symmetric polymeric photonic quasi-crystals can be created by a specifically configured prism via single-exposure holographic lithography. The prism splits an expanded laser beam into five beams and in sequence converge onto a photoresist with a designed incident angle for forming an interference pattern with eight-fold quasi-period. Different from a conventional eight-fold symmetry prism, only five continuous surfaces are used. From group theory, we have verified the feasibility of the particular configuration. And numerical simulations have confirmed that the eight-fold symmetric periodicity can be obtained. Experimental results with the same five beam configuration are in good agreement with the theoretical prediction. The kind of specially designed prism may benefit mass production of large area photonic quasi-crystals by holographic lithography technique.

Paper Details

Date Published: 22 February 2012
PDF: 7 pages
Proc. SPIE 8269, Photonic and Phononic Properties of Engineered Nanostructures II, 82691R (22 February 2012); doi: 10.1117/12.908654
Show Author Affiliations
Weidong Mao, Univ. of Miami (United States)
Zhongshan Univ. (China)
Kai Shen, Univ. of Miami (United States)
Michael R. Wang, Univ. of Miami (United States)

Published in SPIE Proceedings Vol. 8269:
Photonic and Phononic Properties of Engineered Nanostructures II
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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