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Proceedings Paper

Fabrication of three-dimensional void photonic crystals using ultrafast-laser-driven microexplosion in a solid polymer material
Author(s): Guangyong Zhou; Michael James Ventura; Michael Ross Vanner; Min Gu
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Paper Abstract

Micron-sized void dots have been generated in a solidified resin by using ultrafast-laser driven micro-explosion method. Side view confocal images of the void dots show that the void dots are almost spherical. The diameter of the void dots can be controlled by adjusting the laser power and exposure time. Three-dimensional (3D) structures, stacked in the [100] lattice direction, of diamond, FCC and BCC lattices have been fabricated, respectively. Multi-order stop gaps are observed for all three different types of structures. The suppression rate of the first order gap can be up to 70% for diamond and FCC structures. The angle dependence of the bandgap properties of a diamond structure reveals that the observed first order gap shifts to the longer wavelength whereas the second gap shifts to the shorter wavelength as the angle of incidence increases. Such a sensitive angular dependence of the bandgap structure may find applications in photonic crystal superprisms.

Paper Details

Date Published: 9 February 2005
PDF: 7 pages
Proc. SPIE 5635, Nanophotonics, Nanostructure, and Nanometrology, (9 February 2005); doi: 10.1117/12.569944
Show Author Affiliations
Guangyong Zhou, Swinburne Univ. of Technology (Australia)
Michael James Ventura, Swinburne Univ. of Technology (Australia)
Michael Ross Vanner, Swinburne Univ. of Technology (Australia)
Min Gu, Swinburne Univ. of Technology (Australia)

Published in SPIE Proceedings Vol. 5635:
Nanophotonics, Nanostructure, and Nanometrology
Xing Zhu; Stephen Y. Chou; Yasuhiko Arakawa, Editor(s)

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