Technology development for nickel x-ray optics enhancement

Mikhail Gubarev; Brian Ramsey; Darell Engelhaupt; William Arnold

doi:10.1117/12.789190

15 July 2008 Technology development for nickel x-ray optics enhancement

Mikhail Gubarev, Brian Ramsey, Darell Engelhaupt, William Arnold

Author Affiliations +

Proceedings Volume 7011, Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray; 701133 (2008) https://doi.org/10.1117/12.789190
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

We are developing grazing-incidence x-ray optics for high-energy astrophysics using an electroform-nickel process in which mirror shells are formed by replication off super-polished cylindrical mandrels. The optics so fabricated have a demonstrated performance at the level of 11-12 arc seconds resolution (HPD) for 30 keV x rays. Future missions, however, demand ever higher angular resolutions and this places stringent requirements on all aspects of the process -- the mandrels, the shell fabrication, and the mounting and alignment of the resulting mirrors in their housings. A progress report on recent technology developments in these areas is given, including a discussion on possible post fabrication improvements in the x-ray mirrors' quality.

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Mikhail Gubarev, Brian Ramsey, Darell Engelhaupt, and William Arnold "Technology development for nickel x-ray optics enhancement", Proc. SPIE 7011, Space Telescopes and Instrumentation 2008: Ultraviolet to Gamma Ray, 701133 (15 July 2008); https://doi.org/10.1117/12.789190

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