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Proceedings Paper

Multi-layer coating development for XEUS
Author(s): 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; E.-J. Buis
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Paper Abstract

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.

Paper Details

Date Published: 13 June 2006
PDF: 9 pages
Proc. SPIE 6266, Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray, 626614 (13 June 2006); doi: 10.1117/12.669946
Show Author Affiliations
D. H. Lumb, European Space Agency, ESTEC (Netherlands)
M. Bavdaz, European Space Agency, ESTEC (Netherlands)
F. E. Christensen, Danish National Space Ctr. (Denmark)
A. Dariel, Xenocs (France)
P. Hoghoj, Xenocs (France)
C. P. Jensen, Danish National Space Ctr. (Denmark)
M. Krumrey, Physikalisch-Technische Bundesanstalt (Germany)
K. K. Madsen, Danish National Space Ctr. (Denmark)
E. Ziegler, European Synchrotron Radiation Facility (France)
B. Albertin, Xenocs (France)
S. Hedacq, Xenocs (France)
M. Collon, Cosine Research (Netherlands)
E.-J. Buis, Cosine Research (Netherlands)

Published in SPIE Proceedings Vol. 6266:
Space Telescopes and Instrumentation II: Ultraviolet to Gamma Ray
Martin J. L. Turner; Günther Hasinger, Editor(s)

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