Antonius J. F. den Boggende,1 Marcel P. Bruijn,1 Jan Verhoeven,2 H. Zeijlemaker,2 Eric J. Puik,3 Howard A. Padmore4
1Lab. for Space Research Ultrecht (Netherlands) 2FOM-Institute for Atomic and Molecular Physics (Netherlands) 3FOM-Institute for Plasma Physics (Netherlands) 4SERC Daresbury Lab. (United States)
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A broadband Rh/C (50/50) multilayer coating was deposited on a blazed reflection grating replica sample. A calculation of possible materials and configurations showed that a 6-layer pair multilayer of rhodium/carbon or a 7 layer of nickel/carbon covered by 2 nm rhodium layer would give a factor of 6-10 increase in reflection efficiency depending on the roughness of the layer interfaces. Measurements with X-rays at wavelengths down to 0.4 nm on a Rh/C multilayer blazed grating combination showed a substantial increase in reflectivity with respect to a gold coated grating for a fixed angle of incidence of 1 deg.
Antonius J. F. den Boggende,Marcel P. Bruijn,Jan Verhoeven,H. Zeijlemaker,Eric J. Puik, andHoward A. Padmore
"Broadband multilayer coated blazed grating for x-ray wavelengths below 0.6 nm", Proc. SPIE 1345, Advanced X-Ray/EUV Radiation Sources and Applications, (1 January 1991); https://doi.org/10.1117/12.23314
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Antonius J. F. den Boggende, Marcel P. Bruijn, Jan Verhoeven, H. Zeijlemaker, Eric J. Puik, Howard A. Padmore, "Broadband multilayer coated blazed grating for x-ray wavelengths below 0.6 nm," Proc. SPIE 1345, Advanced X-Ray/EUV Radiation Sources and Applications, (1 January 1991); https://doi.org/10.1117/12.23314