Estimation of X-ray scattering impact in imaging degradation for the SIMBOL-X telescope

Details Estimation of X-ray scattering impact in imaging degradation for the SIMBOL-X telescope Estimation of X-ray scattering impact in imaging degradation for the SIMBOL-X telescope

2008-01-15

arxiv.org/abs/0801.2350v1

Astronomy and Astrophysics

Astrophysics

Memorie della Societa' Astronomica ITaliana. 3 pages, 3 figures, Proceedings of the International Workshop "Simbol-X: the hard

Scientific paper

The imaging performance of X-ray optics (expressed in terms of HEW, Half-Energy-Width) can be severely affected by X-ray scattering caused by the surface roughness of the mirrors. The impact of X-ray scattering has an increasing relevance for increasing photon energy, and can be the dominant problem in a hard X-ray telescope like SIMBOL-X. In this work we show how, by means of a novel formalism, we can derive a surface roughness tolerance - in terms of its power spectrum - from a specific HEW requirement for the SIMBOL-X optical module.

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