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Proceedings Paper

Fabrication of three-dimensional photonic crystals by femtosecond laser interference
Author(s): Shigeki Matsuo; Toshiaki Kondo; Saulius Juodkazis; Vygantas Mizeikis; Hiroaki Misawa
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Paper Abstract

We describe a novel microfabrication method based on interference of several coherent laser pulses in photosensitive media. The method allows to transform the periodic multidimensional interference patterns into periodic modulation of dielectric properties of the material, and is therefore potentially suitable for the photonic crystal fabrication in materials like photoresists, photosensitive glasses, and others. We have fabricated one, two, an three-dimensional photonic crystals with different lattices and sub-micrometer periods. The fabricated structures have high structural quality, as evidenced by confocal and scanning electron microscopes. Furthermore, using numerical simulations we explore the possibilities to obtain body-centered-cubic and diamond photonic crystal lattices by varying optical phases of the interfering beams. Numerical simulations are also used to reveal photonic bandgap properties of some 2D photonic crystals, fabricated using this technique.

Paper Details

Date Published: 25 April 2002
PDF: 8 pages
Proc. SPIE 4655, Photonic Bandgap Materials and Devices, (25 April 2002); doi: 10.1117/12.463891
Show Author Affiliations
Shigeki Matsuo, Univ. of Tokushima (Japan)
Toshiaki Kondo, Univ. of Tokushima (Singapore)
Saulius Juodkazis, Univ. of Tokushima (Japan)
Vygantas Mizeikis, Univ. of Tokushima (Japan)
Hiroaki Misawa, Univ. of Tokushima (Japan)


Published in SPIE Proceedings Vol. 4655:
Photonic Bandgap Materials and Devices
Ali Adibi; Axel Scherer; Shawn-Yu Lin, Editor(s)

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