Abstract
In the present work ,design and analysis of the complete omnidirectional Bragg reflector are described. Transfer matrix method (TMM) was adopted to study the unique direction spectral performance of this structure for application in the infrared spectral region (8-14μm).It was shown that omnidirectional 1D- photonic bandgap could be simply evaluated and broadened using graphical and flexible optimization methods ,named as needle optimization technique. Thus ,a complete wideband 1D- photonic omnidirectional reflector was achieved despite the fact that the periodicity was only in one direction
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