High selective x-ray multilayers

Vladimir V. Martynov; Yuriy Platonov; Alexander Kazimirov; Donald H. Bilderback

doi:10.1117/12.502709

23 December 2003 High selective x-ray multilayers

Vladimir V. Martynov, Yuriy Platonov, Alexander Kazimirov, Donald H. Bilderback

Proceedings Volume 5195, Crystals, Multilayers, and Other Synchrotron Optics; (2003) https://doi.org/10.1117/12.502709
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Two approaches have been explored to cover existing gap in energy resolution between traditional multilayers (1 to 2%) and perfect crystals (0.01%). The first approach is based on low contrast (Al₂O₃/B₄C) multilayers where we measured the width of the reflectivity curve as low as 17 arc sec, a spectral resolution of 0.27% and a reflectivity of 40% from a 26 Å d-spacing multilayer with 800 bi-layers. The second approach is based on using structures with small d-spacing using traditional W/B₄C and Mo/B₄C materials. A W/B₄C multilayer with 14.8Å d-spacing showed a resolution of 0.5% and a reflectivity of 58.5%. Two Mo/B₄C samples with d-spacings of 15Å and 20Å showed energy resolutions of 0.25% and 0.52% with corresponding reflectivities of 39% and 66% correspondingly.

Citation Download Citation

Vladimir V. Martynov, Yuriy Platonov, Alexander Kazimirov, and Donald H. Bilderback "High selective x-ray multilayers", Proc. SPIE 5195, Crystals, Multilayers, and Other Synchrotron Optics, (23 December 2003); https://doi.org/10.1117/12.502709

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