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Proceedings Article

Fabrication of three-dimensional photonic crystals by femtosecond laser interference

[+] Author Affiliations
Shigeki Matsuo, Saulius Juodkazis, Vygantas Mizeikis, Hiroaki Misawa

Univ. of Tokushima (Japan)

Toshiaki Kondo

Univ. of Tokushima (Singapore)

Proc. SPIE 4655, Photonic Bandgap Materials and Devices, 327 (April 26, 2002); doi:10.1117/12.463891
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From Conference Volume 4655

  • Photonic Bandgap Materials and Devices
  • Ali Adibi; Axel Scherer; Shawn-Yu Lin
  • San Jose, CA | January 18, 2002

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.

© (2002) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Shigeki Matsuo ; Toshiaki Kondo ; Saulius Juodkazis ; Vygantas Mizeikis and Hiroaki Misawa
"Fabrication of three-dimensional photonic crystals by femtosecond laser interference", Proc. SPIE 4655, Photonic Bandgap Materials and Devices, 327 (April 26, 2002); doi:10.1117/12.463891; http://dx.doi.org/10.1117/12.463891


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