Metrology for the development of high-energy x-ray optics

Mikhail Gubarev; Brian Ramsey; Darell Engelhaupt; Chet Speegle; Martin Smithers

doi:10.1117/12.621170

15 September 2005 Metrology for the development of high-energy x-ray optics

Mikhail Gubarev, Brian Ramsey, Darell Engelhaupt, Chet Speegle, Martin Smithers

Proceedings Volume 5921, Advances in Metrology for X-Ray and EUV Optics; 592108 (2005) https://doi.org/10.1117/12.621170
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

We are developing grazing-incidence x-ray optics for a balloon-borne hard-x-ray telescope (HERO). The instrument will have 200 cm² effective collecting area at 40 keV and an angular resolution goal of 15 arcsec. The HERO mirror shells are fabricated using electroformed-nickel replication off super-polished cylindrical mandrels. The angular resolution goal puts stringent requirements on the quality of the x-ray mirrors and, hence, on mandrel quality. We used metrology in an iterative approach to monitor and refine the x-ray mirror fabrication process. Comparison of axial slope measurements of the mandrel and the shells will be presented together with results from x-ray tests.

Citation Download Citation

Mikhail Gubarev, Brian Ramsey, Darell Engelhaupt, Chet Speegle, and Martin Smithers "Metrology for the development of high-energy x-ray optics", Proc. SPIE 5921, Advances in Metrology for X-Ray and EUV Optics, 592108 (15 September 2005); https://doi.org/10.1117/12.621170

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