NASA NTRS · 19930055682
Cosmic X-ray spectroscopy with multilayer optics
Abstract
Multilayer optics operated at normal incidence offer a powerful new technology for the study of the solar spectrum in the XUV. The spectra of most cosmic X-ray sources are strongly extinguished at wavelengths above 40 A due to absorption and scattering by interstellar grains. We describe a number of configurations which allow multilayer optics to be used at nonnormal angles of incidence in conjunction with grazing incidence optics to analyze the spectra of cosmic X-ray sources in the wavelength interval between 1.5 and 40 A. These optical configurations utilize both multilayer mirrors and gratings, and permit the efficient observation of extended sources using stigmatic spectrographs. The response of the instruments described to typical cosmic X-ray sources is also discussed.
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Walker, Arthur B. C., Jr., Martinez, Dennis S., Paris, Elizabeth S., Hoover, Richard B., Barbee, Troy W., Jr.. 1992-01-01. Cosmic X-ray spectroscopy with multilayer optics. https://ntrs.nasa.gov/citations/19930055682
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