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

Paul B. Reid | Zendy; Thomas L. Aldcroft | Zendy; Ryan Allured | Zendy; Vincenzo Cotroneo | Zendy; Raegan L. JohnsonWilke | Zendy; Vanessa Marquez | Zendy; Stuart McMuldroch | Zendy; Stephen L. O’Dell | Zendy; Brian D. Ramsey | Zendy; D. A. Schwartz | Zendy; Susan TrolierMcKinstry | Zendy; A. Vikhlinin | Zendy; Rudeger H. T. Wilke | Zendy; Rui Zhao | Zendy

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

Author(s) -

Paul B. Reid,

Thomas L. Aldcroft,

Ryan Allured,

Vincenzo Cotroneo,

Raegan L. JohnsonWilke,

Vanessa Marquez,

Stuart McMuldroch,

Stephen L. O’Dell,

Brian D. Ramsey,

D. A. Schwartz,

Susan TrolierMcKinstry,

A. Vikhlinin,

Rudeger H. T. Wilke,

Rui Zhao

Publication year - 2014

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.2063305

Subject(s) - x ray optics , x ray telescope , optics , adaptive optics , deformable mirror , wavefront , physics , actuator , observatory , x ray astronomy , active optics , antenna aperture , calibration , image resolution , telescope , computer science , x ray , astronomy , artificial intelligence , telecommunications , quantum mechanics , dipole antenna , antenna (radio)

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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