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Proceedings Paper

Fabrication of Imaging X-Ray Optics
Author(s): R. C. Catura; E. G. Joki; W. J. Brookover
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Paper Abstract

Our laboratory is involved in fabricating imaging x-ray optics for both astronomical and laboratory applications. A large Wolter type I x-ray telescope is being fabricated as part of an x-ray spectrometer for observing the spectra of cosmic sources in the wavelength range from 8 to 30Å. The mirrors for this telescope are fabricated from blanks of 5083 aluminum alloy that have been figured by diamond turning. These figured surfaces are polished by applying a thin coating of acrylic lacquer that is subsequently overcoated by vacuum deposition of approximately 400Å of tungsten. This telescope is the imaging element of an X-Ray Objective Grating Spectrometer (XOGS) that uses reflection gratings for spectral dispersion and an image sensitive proportional counter to detect the dispersed x-rays. The XOGS will be flown on an ARIES rocket in the summer of 1987 to observe the soft x-ray spectrum of Sco X-1. The present status of the telescope will be described and some data from a preliminary test of the spectrometer at the Marshall Space Flight Center X-ray Calibration facility will be presented.

Paper Details

Date Published: 1 January 1986
PDF: 7 pages
Proc. SPIE 0733, Soft X-Ray Optics and Technology, (1 January 1986); doi: 10.1117/12.964903
Show Author Affiliations
R. C. Catura, Lockheed Palo Alto Research Laboratory (United States)
E. G. Joki, Lockheed Palo Alto Research Laboratory (United States)
W. J. Brookover, Lockheed Palo Alto Research Laboratory (United States)

Published in SPIE Proceedings Vol. 0733:
Soft X-Ray Optics and Technology
E. Koch; Guenther A. Schmahl, Editor(s)

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