Off-plane gratings for Constellation-X

Randall Lee McEntaffer; Webster C. Cash; Ann F. Shipley

doi:10.1117/12.461423

11 March 2003 Off-plane gratings for Constellation-X

Randall Lee McEntaffer, Webster C. Cash, Ann F. Shipley

Proceedings Volume 4851, X-Ray and Gamma-Ray Telescopes and Instruments for Astronomy; (2003) https://doi.org/10.1117/12.461423
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

A reflection grating spectrometer featuring off-plane, radial groove gratings for the Constellation-X mission will be presented. Preliminary work shows that off-plane designs can significantly enhance the scientific capabilities of the mission baseline design. Resolutions up to λ/Δλ~5000 can be achieved. The design accomplishes the mission goal for throughput and may also significantly reduce the assembly tolerances. Detailed raytracing and performance assessment of a strawman configuration are included.

Citation Download Citation

Randall Lee McEntaffer, Webster C. Cash, and Ann F. Shipley "Off-plane gratings for Constellation-X", Proc. SPIE 4851, X-Ray and Gamma-Ray Telescopes and Instruments for Astronomy, (11 March 2003); https://doi.org/10.1117/12.461423

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