Production and performance of multilayer coated conic sections

Melville P. Ulmer; Robert I. Altkron; Michael E. Graham; Anita Madan; Yong S. Chu

doi:10.1117/12.454365

30 January 2002 Production and performance of multilayer coated conic sections

Melville P. Ulmer, Robert I. Altkron, Michael E. Graham, Anita Madan, Yong S. Chu

Proceedings Volume 4496, X-Ray Optics for Astronomy: Telescopes, Multilayers, Spectrometers, and Missions; (2002) https://doi.org/10.1117/12.454365
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

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.

Citation Download Citation

Melville P. Ulmer, Robert I. Altkron, Michael E. Graham, Anita Madan, and Yong S. Chu "Production and performance of multilayer coated conic sections", Proc. SPIE 4496, X-Ray Optics for Astronomy: Telescopes, Multilayers, Spectrometers, and Missions, (30 January 2002); https://doi.org/10.1117/12.454365

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