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High Throughput Soft X-ray Spectroscopy With Reflection Gratings

Published online by Cambridge University Press:  12 April 2016

Steven M. Kahn
Steven M. Kahn*
Affiliation:
Department of Physics and Space Sciences Laboratory, University of California, Berkeley, CA 94720USA

Abstract:

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As dispersing elements, grazing incidence reflection gratings offer the unique combination of high dispersion and wide spectral coverage at high efficiency. They can therefore be coupled with large area, low-resolution mirrors and high quantum efficiency detectors to yield moderate resolution spectroscopy of faint X-ray sources. Various design options are presented and compared, including both objective and convergent-beam configurations and both in-plane and off-plane grating mountings. A specific reflection grating payload design for ESA’s X-Ray Multi-Mirror Mission (XMM) is reviewed in more detail. Predicted performance curves derived from ray trace studies are presented along with preliminary X-ray reflectivity measurements of prototype grating samples.

Type
9. Future X-ray Observatories, Detectors and Instrumentation
Information
International Astronomical Union Colloquium , Volume 115: High Resolution X-ray Spectroscopy of Cosmic Plasmas , 1990 , pp. 365 - 375
Copyright
Copyright © Cambridge University Press 1990

References

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