Preserving accurate figures in coating and bonding mirrors for lightweight x-ray telescopes

Kai-Wing Chan; William W. Zhang; Marton V. Sharpe; James R. Mazzarella; Ryan S. McClelland; Michael P. Biskach; Timo T. Saha; Linette D. Kolos; Mao-Ling Hong

doi:10.1117/12.2055874

24 July 2014 Preserving accurate figures in coating and bonding mirrors for lightweight x-ray telescopes

Kai-Wing Chan, William W. Zhang, Marton V. Sharpe, James R. Mazzarella, Ryan S. McClelland, Michael P. Biskach, Timo T. Saha, Linette D. Kolos, Mao-Ling Hong

Author Affiliations +

Proceedings Volume 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray; 914440 (2014) https://doi.org/10.1117/12.2055874
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

Lightweight, high-resolution, high throughput optics for x-ray astronomy requires fabrication and integration of thin mirrors segments with arc-second precision. In this paper, we present results on our effort leading to the most recent two test modules achieving the intermediate goal of 10 arc-second resolution. We will address issues of coating and bonding thin glass mirrors with negligible distortion. Annealing of sputtered high-density metallic films was found to be sufficiently accurate. We will present result from tests of bonding mirrors onto experimental strongbacks, as well as the sensitivity on bonding procedure, bond parameters and environment.

Citation Download Citation

Kai-Wing Chan, William W. Zhang, Marton V. Sharpe, James R. Mazzarella, Ryan S. McClelland, Michael P. Biskach, Timo T. Saha, Linette D. Kolos, and Mao-Ling Hong "Preserving accurate figures in coating and bonding mirrors for lightweight x-ray telescopes", Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 914440 (24 July 2014); https://doi.org/10.1117/12.2055874

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