Optical contrastivity and sensitivity of multicomponent ordered structures

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• 作者：Glushko E.Ya. ; ^{eugene.glushko@scientist.com}  ; [Author Vitae]
• 关键词：Optical properties ; Optical materials ; Photonic crystals ; Optical contrast
• 刊名：Optics Communications
• 出版年：2012
• 期刊代码：50_00304018
• 类别：ph
• 出版时间：15 June, 2012
• 卷：285
• 期：13-14
• 页码：3133-3136
• 文件大小：540 K

摘要

We discuss the definition of an intrinsic optical contrastivity for a complicated structure as a relative total gap taken over a chosen range of frequencies. An optical material contrast sensitivity to the variation of parameters is analyzed for a wide area. The contrastivity and sensitivity parametric maps are calculated for 1D combs with various fillings. The existence of highly sensitive areas on the parametric maps to contrast deviations is shown for different materials. It is shown that for the found parameters the photonic band edge shifts are of the order of 0.3-0.5 eV/bar for glass, silicon and microporous silicon matrices.