Expected performances of a Laue lens made with bent crystals

Enrico Virgilli; Vineeth Valsan; Filippo Frontera; Ezio Caroli; Vincenzo Liccardo; John Buchan Stephen

doi:10.1117/1.JATIS.3.4.044001

2 October 2017 Expected performances of a Laue lens made with bent crystals

Enrico Virgilli, Vineeth Valsan, Filippo Frontera, Ezio Caroli, Vincenzo Liccardo, John Buchan Stephen

Journal of Astronomical Telescopes, Instruments, and Systems, Vol. 3, Issue 4, 044001 (October 2017). https://doi.org/10.1117/1.JATIS.3.4.044001

Abstract

In the context of the Laue project devoted to build a Laue lens prototype for focusing celestial hard x-/soft gamma-rays, a Laue lens made of bent crystal tiles, with 20-m focal length, is simulated. The focusing energy passband is assumed to be 90 to 600 keV. The distortion of the image produced by the lens on the focal plane, due to effects of crystal tile misalignment and radial distortion of the crystal curvature, is investigated. The corresponding effective area of the lens, its point spread function, and sensitivity are calculated and compared with those exhibited by a nominal Laue lens with no misalignment and/or distortion. Such analysis is crucial to estimate the optical properties of a real lens, in which the investigated shortcomings could be present.

Citation Download Citation

Enrico Virgilli, Vineeth Valsan, Filippo Frontera, Ezio Caroli, Vincenzo Liccardo, and John Buchan Stephen "Expected performances of a Laue lens made with bent crystals," Journal of Astronomical Telescopes, Instruments, and Systems 3(4), 044001 (2 October 2017). https://doi.org/10.1117/1.JATIS.3.4.044001

Received: 7 April 2017; Accepted: 11 September 2017; Published: 2 October 2017

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