Quasi-mosaicity as a tool for focusing hard x-rays

Riccardo Camattari; Vincenzo Guidi; Ilaria Neri

doi:10.1117/12.926153

17 September 2012 Quasi-mosaicity as a tool for focusing hard x-rays

Riccardo Camattari, Vincenzo Guidi, Ilaria Neri

Proceedings Volume 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray; 844335 (2012) https://doi.org/10.1117/12.926153
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

Quasi-mosaicity can be used to fabricate self-standing curved crystals with two curvatures of different crystalline planes. Indeed, a primary curvature imparted to a crystal results in quasi-mosaic curvature of a different plane direction. We show that, since the size of the focal spot of the photons diffracted by a crystal can be controlled by the quasi-mosaic curvature, quasi-mosaic crystals allow focusing with very high resolution. A Laue lens, exploiting quasi-mosaic effect, has been simulated and main results are shown. Self-standing quasi-mosaic crystals can be fabricated through several techniques, such as film deposition or surface grooving method.

Citation Download Citation

Riccardo Camattari, Vincenzo Guidi, and Ilaria Neri "Quasi-mosaicity as a tool for focusing hard x-rays", Proc. SPIE 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, 844335 (17 September 2012); https://doi.org/10.1117/12.926153

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