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Study and characterization of bent crystals for Laue lenses

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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.

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Acknowledgments

The authors wish acknowledge the financial support by the Italian Space Agency (ASI) through the project “LAUE - Una Lente per i raggi Gamma” under contract I/068/09/0. V. Valsan and V. Liccardo are supported by the Erasmus Mundus Joint Doctorate Program by Grant Number 2010-1816 from the EACEA of the European Commission.

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Authors and Affiliations

  1. Department of Physics, University of Ferrara, Via Saragat 1/c, 44122, Ferrara, Italy

    Vincenzo Liccardo, Enrico Virgilli, Filippo Frontera, Vineeth Valsan, Vincenzo Guidi, Valerio Bellucci & Riccardo Camattari

  2. Université de Nice Sophia-Antipolis, Parc Valrose, 06108, Nice Cedex 2, France

    Vincenzo Liccardo & Vineeth Valsan

  3. CNR-IMEM Institute, Parco Area delle Scienze 37/A, 43124, Parma, Italy

    Elisa Buffagni, Claudio Ferrari, Elisa Bonnini & Andrea Zappettini

Authors
  1. Vincenzo Liccardo
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  2. Enrico Virgilli
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  3. Filippo Frontera
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  4. Vineeth Valsan
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  5. Elisa Buffagni
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  6. Claudio Ferrari
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  7. Elisa Bonnini
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  8. Andrea Zappettini
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  9. Vincenzo Guidi
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  10. Valerio Bellucci
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  11. Riccardo Camattari
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Correspondence to Vincenzo Liccardo.

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Liccardo, V., Virgilli, E., Frontera, F. et al. Study and characterization of bent crystals for Laue lenses. Exp Astron 38, 401–416 (2014). https://doi.org/10.1007/s10686-014-9425-y

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