Fabrication of three-dimensional void photonic crystals using ultrafast-laser-driven microexplosion in a solid polymer material

Guangyong Zhou; Michael James Ventura; Michael Ross Vanner; Min Gu

doi:10.1117/12.569944

9 February 2005 Fabrication of three-dimensional void photonic crystals using ultrafast-laser-driven microexplosion in a solid polymer material

Guangyong Zhou, Michael James Ventura, Michael Ross Vanner, Min Gu

Author Affiliations +

Proceedings Volume 5635, Nanophotonics, Nanostructure, and Nanometrology; (2005) https://doi.org/10.1117/12.569944
Event: Photonics Asia, 2004, Beijing, China

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.

Citation Download Citation

Guangyong Zhou, Michael James Ventura, Michael Ross Vanner, and Min Gu "Fabrication of three-dimensional void photonic crystals using ultrafast-laser-driven microexplosion in a solid polymer material", Proc. SPIE 5635, Nanophotonics, Nanostructure, and Nanometrology, (9 February 2005); https://doi.org/10.1117/12.569944

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