From Event: SPIE Optical Engineering + Applications, 2016
In this paper we review the progress and current status of thermal forming activities at SAO, highlighting the most relevant technical problems and the way to solve them. These activities are devoted to the realization of mirror substrates for the X-ray surveyor mission concept, an observatory with Chandra-like angular resolution and 30 times more effective area or larger. The technology under development at SAO is based on the deposition of piezoelectric material on the back of the substrates. About 8000 mirror segments, with initial quality of 10 arcseconds or better are required for the telescope.
Vincenzo Cotroneo, Ryan Allured, Paul B. Reid, Casey T. DeRoo, Daniel A. Schwartz, Vanessa Marquez, Alexey A. Vikhlinin, Marta Civitani, Bianca Salmaso, and Giovanni Pareschi, "Thermal forming of substrates for the x-ray surveyor telescope," Proc. SPIE 9965, Adaptive X-Ray Optics IV, 99650C (Presented at SPIE Optical Engineering + Applications: August 28, 2016; Published: 27 October 2016); https://doi.org/10.1117/12.2239223.
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