Soft gamma-ray optics: new Laue lens design and performance estimates - Astrophysics > Instrumentation and Methods for AstrophysicsReport as inadecuate




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Abstract: Laue lenses are an emerging technology based on diffraction in crystals thatallows the concentration of soft gamma rays. This kind of optics that works inthe 100 keV - 1.5 MeV band can be used to realize an high-sensitivity andhigh-angular resolution telescope in a narrow field of view. This paperreviews the recent progresses that have been done in the development ofefficient crystals, in the design study and in the modelisation of the answerof Laue lenses. Through the example of a new concept of 20 m focal length lensfocusing in the 100 keV - 600 keV band, the performance of a telescope based ona Laue lens is presented. This lens uses the most efficient mosaic crystals ineach sub-energy range in order to yield the maximum reflectivity. Imagingcapabilities are investigated and shows promising results.



Author: N. Barriere, L. Natalucci, N. Abrosimov, P. von Ballmoos, P. Bastie, P. Courtois, M. Jentschel, J. Knodlseder, J. Rousselle, P. U

Source: https://arxiv.org/



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