Phys. Rev. Lett. 83, 5274–5277 (1999)Three-Dimensional Complete Photonic-Band-gap Structures in the VisibleReceived 29 June 1999; published in the issue dated 20 December 1999 It is shown that for a simple face-centered-cubic lattice of spherical scatterers more than one complete photonic band gap (CPBG) can open and the relative gap width can be as large as 10% even if the host dielectric constant ɛh = 1. The key is to use the spheres made out of material having a Drude-like behavior of the dielectric function, and, to tune lattice spacing appropriately to a characteristic plasma wavelength. We argue that such structures can provide CPBG structures with tunable band gaps down to ultraviolet wavelengths. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.83.5274
DOI:
10.1103/PhysRevLett.83.5274
PACS:
42.70.Qs, 82.70.Dd
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