Abstract

A dielectric lamellar-grating layer-substrate structure is proposed to be capable, under some conditions, of acting as a 100% efficiency mirror when operated at fixed wavelengths and incidence angles. The design of such mirrors for 1.3 μm and near normal incidence is achieved with silicon as the grating-layer material and glass substrates of two types. The study is based on a new matrix–vector procedure for the solution of rigorous coupled-wave equations. The computations use matlab, and, in particular, its goal-attainment routine. Design parameter tolerances are also discussed.

© 1995 Optical Society of America

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