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Proceedings Paper

Deterministic figure correction of piezoelectrically adjustable slumped glass optics
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Paper Abstract

Thin X-ray optics with high angular resolution (≤ 0.5 arcseconds) over a wide field of view enable the study of a number of astrophysically important topics, and feature prominently in Lynx, a next-generation X-ray observatory concept currently under NASA study. To produce such optics, we propose to use piezoelectrically adjustable, thin mirror segments capable of figure correction after mounting and on-orbit. In the present work, we report on the fabrication and characterization of an adjustable cylindrical slumped glass optic. This optic has realized 100% piezoelectric cell yield and employs lithographically patterned traces and anisotropic conductive film (ACF) connections to address the piezoelectric cells. The response of the piezoelectric cells are found to agree with finite-element analysis models, and simulated corrections to distortions are found to improve 7 – 10 arcsecond mirrors to 1 – 2 arcseconds (HPD, single reflection at 1 keV). Moreover, such a figure change is empirically demonstrated using an adjustable slumped glass optic, and we identify a path for achieving subarcsecond corrections.

Paper Details

Date Published: 29 August 2017
PDF: 12 pages
Proc. SPIE 10399, Optics for EUV, X-Ray, and Gamma-Ray Astronomy VIII, 103991M (29 August 2017); doi: 10.1117/12.2275210
Show Author Affiliations
Casey T. DeRoo, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Ryan Allured, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Vincenzo Cotroneo, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Edward Hertz, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Vanessa Marquez, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Paul B. Reid, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Eric D. Schwartz, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Alexey A. Vikhlinin, Harvard-Smithsonian Ctr. for Astrophysics (United States)
Susan Trolier-McKinstry, The Pennsylvania State Univ. (United States)
Julian Walker, The Pennsylvania State Univ. (United States)
Thomas N. Jackson, The Pennsylvania State Univ. (United States)
Tianning Liu, The Pennsylvania State Univ. (United States)
Mohit Tendulkar, The Pennsylvania State Univ. (United States)


Published in SPIE Proceedings Vol. 10399:
Optics for EUV, X-Ray, and Gamma-Ray Astronomy VIII
Stephen L. O'Dell; Giovanni Pareschi, Editor(s)

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