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13 June 2006 Multi-layer coating development for XEUS
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Graded depth multi-layer coatings have the potential to optimise the performance of X-ray reflective surfaces for improved energy response. A study of deposition techniques on silicon substrates representative of the XEUS High Performance Pore Optics (HPO) technology has been carried out. Measurements at synchrotron radiation facilities have been used to confirm the excellent performance improvements achievable with Mo/Si and W/Si multilayers. Future activities that will be necessary to implement such coatings in the HPO assembly sequence are highlighted. Further coating developments that may allow an optimisation of the XEUS effective area in light of potential changes to science requirements and telescope configurations are also identified. Finally an initial measurement of effects of radiation damage within the multilayers is reported.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
D. H. Lumb, M. Bavdaz, F. E. Christensen, A. Dariel, P. Hoghoj, C. P. Jensen, M. Krumrey, K. K. Madsen, E. Ziegler, B. Albertin, S. Hedacq, M. Collon, and E.-J. Buis "Multi-layer coating development for XEUS", Proc. SPIE 6266, Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray, 626614 (13 June 2006);


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