Calibration of the AXAF-HRC UV/ion shields at Osservatorio Astronomico di Palermo G.S. Vaiana: III - synchrotron measurements of XANES in aluminum-coated Lexan film samples

Marco Barbera; Alfonso Collura; Alessandro Dara

doi:10.1117/12.255988

31 October 1996 Calibration of the AXAF-HRC UV/ion shields at Osservatorio Astronomico di Palermo G.S. Vaiana: III - synchrotron measurements of XANES in aluminum-coated Lexan film samples

Marco Barbera, Alfonso Collura, Alessandro Dara

Author Affiliations +

Proceedings Volume 2808, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy VII; (1996) https://doi.org/10.1117/12.255988
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

High spectral resolution x-ray transmission measurements in the energy range 60 - 1950 eV have been conducted at BESSY 1 synchrotron (Berlin) on samples of aluminum coated Lexan in order to define an accurate model of x-ray absorption near edge structures for the AXAF-HRC UV/ion shields material. A large number of energies have been surveyed with a spectral resolution ranging from E/(Delta) E equals 2500 at 100 eV to E/(Delta) E equals 700 at Al-K edge. The spatial variations of such absorption structures also have been investigated surveying different positions of the film samples.

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Marco Barbera, Alfonso Collura, and Alessandro Dara "Calibration of the AXAF-HRC UV/ion shields at Osservatorio Astronomico di Palermo G.S. Vaiana: III - synchrotron measurements of XANES in aluminum-coated Lexan film samples", Proc. SPIE 2808, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy VII, (31 October 1996); https://doi.org/10.1117/12.255988

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