Wideband multilayer mirrors with minimal layer thicknesses variation

I.V. Kozhevnikov, Andrey Yakshin, Fred Bijkerk

Research output: Contribution to journalArticleAcademicpeer-review

24 Citations (Scopus)
306 Downloads (Pure)


Wideband multilayers designed for various applications in hard X-ray to Extreme UV spectral regions are based on a layered system with layer thicknesses varying largely in depth. However, because the internal structure of a thin film depends on its thickness, this will result in multilayers in which material properties such as density, crystallinity, dielectric constant and effective thickness vary from layer to layer. This variation causes the fabricated multilayers to deviate from the model and negatively influences the reflectivity of the multilayers. In this work we solve this problem by developing designs of wideband multilayers with strongly reduced layer thickness variations in depth, without essential degradation of their optical characteristics.
Original languageEnglish
Pages (from-to)9276-9283
Number of pages8
JournalOptics express
Issue number7
Publication statusPublished - 2015


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