Photonic Crystals: Molding the Flow of Light - Second EditionSince it was first published in 1995, Photonic Crystals has remained the definitive text for both undergraduates and researchers on photonic band-gap materials and their use in controlling the propagation of light. This newly expanded and revised edition covers the latest developments in the field, providing the most up-to-date, concise, and comprehensive book available on these novel materials and their applications.
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... air and out to infinity. Far away from the glass, these modes must closely ... band structure with L > ck is called the light cone. The modes in the light ... air, these modes have lower frequencies relative to the values the ...
... band structures—that is easily generalized to the more complex two- and ... Air Multilayer 0.30 0.30 0.30. 1 Interestingly, in Lord Rayleigh's first ... band gap. When he returned to the problem in 1917, however, he switched to the sum-of ...
... Air Multilayer 0.30 0.30 0.30 n = 2 0.25 0.25 0.25 0.20 n = 2 0.20 0.20 Photonic Band Gap y c n e u q 0.15 0.15 Photonic Band Gap 0.15 e r 0.10 0.05 0.10 0.10 n = 1 n = 1 0.05 0.05 0.00 -0.5 -0.25 0 0.25 Wave vector ka/2π 0.00 0.00 0.5 ...
... band gap. The right-hand plot shows that the gap widens considerably as the dielectric contrast is increased. We ... air regions. For this reason, it is convenient to refer to the band above a photonic band gap as the air band, and the ...
... air band and the lower as the dielectric band. We conclude this section with the observation that in one dimension, a gap usually occurs between every set of bands, at either the ... band 1 ε THE MULTILAYER FILM 49 The Size of the Band Gap.