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Proceedings Paper

Evaluation and optimization of multilayer designs for astronomical x-ray telescopes using a field-of-view- and energy-dependent figure of merit
Author(s): Peter H. Mao; Leon M. Bellan; Fiona A. Harrison; David L. Windt; Finn Erland Christensen
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Paper Abstract

The three most important quantities used to assess the performance of astronomical x-ray telescope optics are the on- axis collecting area, the field of view, and the half-power diameter. The first two quantities depend on the mirror packing arrangement and the multilayer coating design. In order to optimize the coating design, we have developed a figure-of-merit (FOM) that accounts for the coating response over a specified range of energies and off-axis angles. We present an example where we have used this FOM to optimize a specific coating design for the High Energy Focusing Telescope (HEFT) and to understand tradeoffs between performance and coating thickness.

Paper Details

Date Published: 28 November 2000
PDF: 8 pages
Proc. SPIE 4138, X-Ray Optics, Instruments, and Missions IV, (28 November 2000); doi: 10.1117/12.407561
Show Author Affiliations
Peter H. Mao, California Institute of Technology (United States)
Leon M. Bellan, California Institute of Technology (United States)
Fiona A. Harrison, California Institute of Technology (United States)
David L. Windt, Columbia Univ. (United States)
Finn Erland Christensen, Danish Space Research Institute (Denmark)

Published in SPIE Proceedings Vol. 4138:
X-Ray Optics, Instruments, and Missions IV
Richard B. Hoover; Arthur B. C. Walker II, Editor(s)

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