Physics – Optics
Scientific paper
Nov 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4138..126m&link_type=abstract
Proc. SPIE Vol. 4138, p. 126-133, X-Ray Optics, Instruments, and Missions IV, Richard B. Hoover; Arthur B. Walker; Eds.
Physics
Optics
1
Scientific paper
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.
Bellan Leon M.
Christensen Finn E.
Harrison Fiona A.
Mao Peter H.
Windt David L.
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