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Proceedings Paper

Production and performance of multilayer coated conic sections
Author(s): Melville P. Ulmer; Robert I. Altkron; Michael E. Graham; Anita Madan; Yong S. Chu
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Paper Abstract

Previously we have reported on our work on coating a truncated-cone-shaped engineering (not high quality in terms of smoothness) mandrel and have removed the layers, intact, on the inside of an electroform with a cylindrical, truncated-cone geometry. We have advanced to using a high quality (about 0.5 nm) smooth truncated cone. We report our latest advances in refining our fabrication techniques and the results of X-ray measurements. The X-ray measurements made at the Argonne APS SRI-CAT 2-BM-B beam-line were at 10 and 30 keV. The results showed that we had produced excellent Si/W multilayers on the inside of a 10 cm long by about 10 cm diameter truncated cone shaped mirror. We estimate the reflectivity of the layers at the primary Bragg peak to be well above 10%. We also show that the multilayers were uniform around the mirror.

Paper Details

Date Published: 30 January 2002
PDF: 7 pages
Proc. SPIE 4496, X-Ray Optics for Astronomy: Telescopes, Multilayers, Spectrometers, and Missions, (30 January 2002); doi: 10.1117/12.454365
Show Author Affiliations
Melville P. Ulmer, Northwestern Univ. (United States)
Robert I. Altkron, Northwestern Univ. (United States)
Michael E. Graham, Northwestern Univ. (United States)
Anita Madan, Northwestern Univ. (United States)
Yong S. Chu, Argonne National Lab. (United States)

Published in SPIE Proceedings Vol. 4496:
X-Ray Optics for Astronomy: Telescopes, Multilayers, Spectrometers, and Missions
Paul Gorenstein; Richard B. Hoover, Editor(s)

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