Holographic eight-fold photonic quasi-crystal

Weidong Mao; Kai Shen; Michael R. Wang

doi:10.1117/12.908654

22 February 2012 Holographic eight-fold photonic quasi-crystal

Weidong Mao, Kai Shen, Michael R. Wang

Proceedings Volume 8269, Photonic and Phononic Properties of Engineered Nanostructures II; 82691R (2012) https://doi.org/10.1117/12.908654
Event: SPIE OPTO, 2012, San Francisco, California, United States

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.

Citation Download Citation

Weidong Mao, Kai Shen, and Michael R. Wang "Holographic eight-fold photonic quasi-crystal", Proc. SPIE 8269, Photonic and Phononic Properties of Engineered Nanostructures II, 82691R (22 February 2012); https://doi.org/10.1117/12.908654

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