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Study and characterization of bent crystals for Laue lenses

By Vincenzo Liccardo, Enrico Virgilli, Filippo Frontera, Vineeth Valsan, Elisa Buffagni, Claudio Ferrari, Elisa Bonnini, Andrea Zappettini, Vincenzo Guidi, Valerio Bellucci and Riccardo Camattari

Abstract

We report the results obtained from the characterization of bent Silicon, Germanium and Gallium Arsenide crystals, which are being used for focusing photons in the 90-300 keV energy range, in the framework of the LAUE project. Such crystals represent the best choice for building Laue lenses thanks to their high reflectivity and to the narrow Point Spread Function (PSF) they can provide. The test aims to select the best material, to optimize the thickness and to estimate the curvature radius of the crystal tiles that will be used for building a 20 m focal length Laue lens petal

Topics: Astrophysics, Bent crystals, Experimental, Laue lens, X-ray diffraction, X-ray telescopes, Astronomy and Astrophysics, Space and Planetary Science
Year: 2014
DOI identifier: 10.1007/s10686-014-9425-y
OAI identifier: oai:iris.unife.it:11392/2334357
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