Fabrication of Imaging X-Ray Optics

R. C. Catura; E. G. Joki; W. J. Brookover

doi:10.1117/12.964903

1 January 1986 Fabrication of Imaging X-Ray Optics

R. C. Catura, E. G. Joki, W. J. Brookover

Proceedings Volume 0733, Soft X-Ray Optics and Technology; (1986) https://doi.org/10.1117/12.964903
Event: Soft X-Ray Optics and Technology, 1987, Berlin, Germany

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.

Citation Download Citation

R. C. Catura, E. G. Joki, and W. J. Brookover "Fabrication of Imaging X-Ray Optics", Proc. SPIE 0733, Soft X-Ray Optics and Technology, (1 January 1986); https://doi.org/10.1117/12.964903

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