Periodic thin-film interference filters as one-dimensional photonic crystals |
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| Authors: | D N Chigrin C M Sotomayor Torres |
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| Institution: | (1) Institute of Materials Science, Department of Electrical and Information Engineering, University of Wuppertal, Wuppertal, D-42097, Germany |
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| Abstract: | We review the photonic band gap-related properties of a simple periodic system of thin dielectric layers. Properties associated with forbidden and allowed bands of such one-dimensional photonic crystals are presented. A revision of the properties of forbidden bands leads to an omnidirectional Bragg mirror design. The anisotropy of allowed bands suggests the formation of photon-focusing caustics in one-dimensional photonic crystals. |
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