High-Throughput Imaging Doubly Curved Bragg Crystal Spectrometer

B. Byrnak; F. E. Christensen; N. J. Westergaard; H. W. Schnopper

doi:10.1117/12.966596

14 July 1986 High-Throughput Imaging Doubly Curved Bragg Crystal Spectrometer

B. Byrnak, F. E. Christensen, N. J. Westergaard, H. W. Schnopper

Proceedings Volume 0597, X-Ray Instrumentation in Astronomy; (1986) https://doi.org/10.1117/12.966596
Event: 1985 International Technical Symposium/Europe, 1985, Cannes, France

Abstract

An X-ray spectrometer which is sensitive in the 0.5-7 keV energy range has been studied. The rays which are Bragg reflected from a doubly bent crystal positioned downstream of the focal plane of a grazing-incidence concentrator are focused along the axis of a position sensitive detector. High throughput, simultaneous (scanning free) photon recording throughout the spectral range of interest, and crystal limited resolution which is achieved with a concentrator using a conical approximation to Wolter-1 optics are the main advantages. The sensitivity for spectral line detection in the presence of background may compete with that of broadband detectors.

Citation Download Citation

B. Byrnak, F. E. Christensen, N. J. Westergaard, and H. W. Schnopper "High-Throughput Imaging Doubly Curved Bragg Crystal Spectrometer", Proc. SPIE 0597, X-Ray Instrumentation in Astronomy, (14 July 1986); https://doi.org/10.1117/12.966596

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