期刊
JOURNAL OF COMPUTATIONAL PHYSICS
卷 158, 期 2, 页码 214-224出版社
ACADEMIC PRESS INC
DOI: 10.1006/jcph.1999.6415
关键词
periodic structures; band gaps; optimal design
In the study of photonic crystals, the question arises naturally: Which crystals produce the largest band gaps? This question is investigated by means of an optimization This question based evolution algorithm which, given two dielectric materials, seeks to produce a material distribution within the fundamental cell which produces a maximal band gap at a given point in the spectrum. The case of H-polarization in two dimensions is considered. Several numerical examples are presented. (C) 2000 Academic Press.
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