Theoretical investigation identifies a photonic band gap in a triangular lattice, suggesting practical applications.
A systematic theoretical investigation is undertaken in order to identify a two-dimensional periodic dielectric structure that has a complete in-plane photonic band gap for both polarizations. Of the various structures studied, only a triangular lattice of air columns is found to have the desired band-gap properties. Microwave transmission experiments are performed to test the theoretical predictions.
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Meade et al. (1992) studied this question.
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