Development status of adjustable grazing incidence optics for 0.5 arcsecond x-ray imaging

Paul B. Reid; Thomas L. Aldcroft; Ryan Allured; Vincenzo Cotroneo; Raegan L. Johnson-Wilke; Vanessa Marquez; Stuart McMuldroch; Stephen L. O'Dell; Brian D. Ramsey; Daniel A. Schwartz; Susan E. Trolier-McKinstry; Alexey A. Vikhlinin; Rudeger H. T. Wilke; Rui Zhao

doi:10.1117/12.2063305

3 October 2014 Development status of adjustable grazing incidence optics for 0.5 arcsecond x-ray imaging

Paul B. Reid, Thomas L. Aldcroft, Ryan Allured, Vincenzo Cotroneo, Raegan L. Johnson-Wilke, Vanessa Marquez, Stuart McMuldroch, Stephen L. O'Dell, Brian D. Ramsey, Daniel A. Schwartz, Susan E. Trolier-McKinstry, Alexey A. Vikhlinin, Rudeger H. T. Wilke, Rui Zhao

Author Affiliations +

Proceedings Volume 9208, Adaptive X-Ray Optics III; 920807 (2014) https://doi.org/10.1117/12.2063305
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

We describe progress in the development of adjustable grazing incidence X-ray optics for 0.5 arcsec resolution cosmic X-ray imaging. To date, no optics technology is available to blend high resolution imaging like the Chandra X-ray Observatory, with square meter collecting area. Our approach to achieve these goals simultaneously is to directly deposit thin film piezoelectric actuators on the back surface of thin, lightweight Wolter-I or Wolter- Schwarschild mirror segments. The actuators are used to correct mirror figure errors due to fabrication, mounting and alignment, using calibration and a one-time figure adjustment on the ground. If necessary, it will also be possible to correct for residual gravity release and thermal effects on-orbit. In this paper we discuss our most recent results measuring influence functions of the piezoelectric actuators using a Shack-Hartmann wavefront sensor. We describe accelerated and real-time lifetime testing of the piezoelectric material, and we also discuss changes to, and recent results of, our simulations of mirror correction.

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Paul B. Reid, Thomas L. Aldcroft, Ryan Allured, Vincenzo Cotroneo, Raegan L. Johnson-Wilke, Vanessa Marquez, Stuart McMuldroch, Stephen L. O'Dell, Brian D. Ramsey, Daniel A. Schwartz, Susan E. Trolier-McKinstry, Alexey A. Vikhlinin, Rudeger H. T. Wilke, and Rui Zhao "Development status of adjustable grazing incidence optics for 0.5 arcsecond x-ray imaging", Proc. SPIE 9208, Adaptive X-Ray Optics III, 920807 (3 October 2014); https://doi.org/10.1117/12.2063305

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