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25 April 2002 Fabrication of photonic crystal microprisms based on artificial opals
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Proceedings Volume 4655, Photonic Bandgap Materials and Devices; (2002)
Event: Symposium on Integrated Optoelectronic Devices, 2002, San Jose, California, United States
This paper reports a new method for faceting artificial opals based on micromanipulation techniques. By this means it was possible to fabricate an opal prism in a single domain with different faces: (111), (110) and (100), which were characterized by Scanning Electron Microscopy and Optical Reflectance Spectroscopy. Their spectra exhibit different characteristics depending on the orientation of the facet. While (111)-oriented face gives rise to a high Bragg reflection peak at about a/(lambda) equals 0.66 (where a is the lattice parameter), (110) and (100) faces show much less intense peaks corresponding to features in the band structure at a/(lambda) equals 1.12 and a/(lambda) equals 1.07 respectively. Peaks at higher energies have less obvious explanation.
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Roberto Fenollosa, Marta Ibisate, Silvia Rubio, Ceferino Lopez, Francisco Meseguer, and Jose Sanchez-Dehesa "Fabrication of photonic crystal microprisms based on artificial opals", Proc. SPIE 4655, Photonic Bandgap Materials and Devices, (25 April 2002);

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