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Phase properties of multilayers

机译:多层的相性质

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The phase shift upon transmission of a nonabsorbing multilayer is shown to be a monotonically decreasing function of the wave number, with an average slope proportional to the optical thickness of the coating. Two limiting situations of the phase shift upon reflection are examined: In one the phase monotonically increases with wavelength, and in the other the phase oscillates. The phase shift upon reflection is derivable from Kramers-Kronig-type relationships, provided the radiant reflectance and the Blaschke factors are known. Characteristic features of the refractive-index profile related to these factors are discussed. (C) 1997 Optical Society of America.
机译:透射非吸收性多层时的相移显示为波数的单调递减函数,平均斜率与涂层的光学厚度成比例。研究了反射时相移的两种极限情况:一种是相位随波长单调增加,另一种是相位振荡。反射时的相移可从Kramers-Kronig型关系推导,只要知道辐射反射率和Blaschke因子即可。讨论了与这些因素有关的折射率分布的特征。 (C)1997年美国眼镜学会。

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