Broadband multilayer polarizers for the extreme ultraviolet

Z S Wang, H C Wang, J T Zhu, F L Wang, Z X Gu, L Y Chen, A G Michette, A K Powell, S J Pfauntsch, F Schafers

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36 Citations (Scopus)

Abstract

Nonperiodic molybdenum/silicon broadband multilayer polarizers have been designed using numerical optimization algorithm and fabricated using direct current magnetron sputtering. Their performances have been characterized using the high precision eight-axis soft x-ray polarimeter at the BESSY facility. Different multilayers have measured s-polarized reflectivities of 27% at 13.1 nm and higher than 15% over the wavelength range of 13-19 nm. Nearly constant s reflectivity, up to 37%, is observed over the 15-17 nm wavelength range, where the degree of polarization is more than 98%. Furthermore, these multilayer polarizers also show high s reflectivity and polarization over a broad angular range at fixed wavelength. (c) 2006 American Institute of Physics
Original languageEnglish
Article number056108
JournalJournal of Applied Physics
Volume99
Issue number5
DOIs
Publication statusPublished - 1 Mar 2006

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