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Proceedings Paper

Preparation of metallo-dielectric photonic crystals by multi-photon direct laser writing
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Paper Abstract

Metallo-dielectric photonic crystals (MDPCs) can exhibit intriguing and potentially useful optical properties, including ultra-wide photonic bandgaps, engineered thermal emission, and negative refractive index. But access to such materials has been limited by the lack of suitable methods for their preparation. We have developed a route to three-dimensional (3D) MDPCs that involves fabricating a polymeric pre-form by multi-photon direct laser writing and then conformally depositing metal onto the pre-form by electroless metallization. We use the approach to prepare silver- and copper-plated "woodpile" PCs having face-centered tetragonal symmetry and unit-cell period of several micrometers. The resulting 3D metallized structures exhibit mid-infrared reflectance that is consistent with theory and experimental observations obtained for MDPCs prepared by other routes. These data indicate that multi-photon direct laser writing coupled with electroless metallization is a viable route to complex 3D MDPCs of many symmetries and basis sets and provides a path for integrating such structures with other micron-scale optical elements.

Paper Details

Date Published: 12 February 2008
PDF: 8 pages
Proc. SPIE 6901, Photonic Crystal Materials and Devices VII, 69010Z (12 February 2008); doi: 10.1117/12.760826
Show Author Affiliations
Stephen M. Kuebler, CREOL, Univ. of Central Florida (United States)
Univ. of Central Florida (United States)
Amir Tal, CREOL, Univ. of Central Florida (United States)
Yun-Sheng Chen, CREOL, Univ. of Central Florida (United States)


Published in SPIE Proceedings Vol. 6901:
Photonic Crystal Materials and Devices VII
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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