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Proceedings Paper

Fabrication of holographic photonic crystal template with back incident interference beams
Author(s): Ying Liu; Shou Liu; Xiangsu Zhang; Sensen Li; Xuechang Ren
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Paper Abstract

Photonic crystal template can be fabricated by holographic lithography in photoresist. A method for enhancing the quality of holographic photonic crystal template is mentioned in this paper. Because light energy is absorbed by photoresist while propagating through the material, the exposure decreases with the depth of the photoresist layer. In order to compensate for the light energy losing in exposure process, the recording plate is flipped to let the interference beams incident on the side of glass substrate instead of the surface of the material. During the development, the etching is proceeding quickly into the lower part of the material while the structure on the surface is maintained. Experimentally, face centered cubic lattice structures were fabricated in the AZ-4620 positive photoresist using an Ar+ laser with wavelength of 458 nm. Good 3D lattice structures have been obtained using this method. Theoretical analysis, computer simulation and experimental results obtained with the interference beams incident on different sides of the photoresist plate are presented in the paper.

Paper Details

Date Published: 7 February 2005
PDF: 8 pages
Proc. SPIE 5636, Holography, Diffractive Optics, and Applications II, (7 February 2005); doi: 10.1117/12.575450
Show Author Affiliations
Ying Liu, Xiamen Univ. (China)
Shou Liu, Xiamen Univ. (China)
Xiangsu Zhang, Xiamen Univ. (China)
Sensen Li, Xiamen Univ. (China)
Xuechang Ren, Xiamen Univ. (China)


Published in SPIE Proceedings Vol. 5636:
Holography, Diffractive Optics, and Applications II
Yunlong Sheng; Dahsiung Hsu; Chongxiu Yu; Byoungho Lee, Editor(s)

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