High-energy x-ray reflectivity and scattering study from spectrum-x-gamma flight mirrors

Finn Erland Christensen; Carl Budtz-Joergensen; Peter K. Frederiksen; Niels J. Westergaard; Herbert W. Schnopper

doi:10.1117/12.140555

21 January 1993 High energy x-ray reflectivity and scattering study from spectrum-x-gamma flight mirrors

Finn Erland Christensen, Carl Budtz-Joergensen, Peter K. Frederiksen, Niels J. Westergaard, Herbert W. Schnopper

Proceedings Volume 1742, Multilayer and Grazing Incidence X-Ray/EUV Optics for Astronomy and Projection Lithography; (1993) https://doi.org/10.1117/12.140555
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

Line radiation from Fe K-alpha(1), Cu K-alpha(1), and Ag K-alpha(1) is used to study the high energy X-ray reflectivity and scattering behavior of flight-quality X-ray mirrors having various Al substrates. When both the specular and the scattered radiation are integrated, near theoretical reflectivities are found for all mirrors. Results of scattering studies show that scattering is strongly correlated with the Al foil type. Mirrors based on new 0.4 mm Al foil are found to have a typical scattering FWHM of about 1.1 arcmin, whereas mirrors based on 0.3 mm Al foil have an FWHM of greater than 1.5 arcmin. For all mirrors and for all energies, the scattering is found to exhibit the characteristic asymmetries predicted by a first order vector scattering theory.

Citation Download Citation

Finn Erland Christensen, Carl Budtz-Joergensen, Peter K. Frederiksen, Niels J. Westergaard, and Herbert W. Schnopper "High energy x-ray reflectivity and scattering study from spectrum-x-gamma flight mirrors", Proc. SPIE 1742, Multilayer and Grazing Incidence X-Ray/EUV Optics for Astronomy and Projection Lithography, (21 January 1993); https://doi.org/10.1117/12.140555

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