21 October 2004 Feasibility study of a Laue lens for hard x rays for space astronomy
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Abstract
We report on the feasibility study of a Laue lens for hard X-rays (> 60 keV) based on mosaic crystals, for astrophysical applications. In particular we discuss the scientific motivations, its functioning principle, the procedure followed to select the suitable crystal materials, the criteria adopted to establish crystal dimensions and their distribution on the lens in order to obtain the best lens focusing capabilities, and the criteria for optimizing the lens effective area in a given passband. We also discuss the effects of misalignments of the crystal tiles due to unavoidable mechanical errors in assembling the lens. A software was developed to face all these topics and to evaluate the expected lens performance.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Alessandro Pisa, Filippo Frontera, Paola De Chiara, Gianluca Loffredo, Damiano Pellicciotta, Gianni Landini, Turi Franceschini, Stefano Silvestri, Ken Andersen, Pierre Courtois, Bernard Hamelin, "Feasibility study of a Laue lens for hard x rays for space astronomy", Proc. SPIE 5536, Advances in Computational Methods for X-Ray and Neutron Optics, (21 October 2004); doi: 10.1117/12.563052; https://doi.org/10.1117/12.563052
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KEYWORDS
Crystals

Photons

Laser crystals

Copper

Spherical lenses

Germanium

Diffraction

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