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Proceedings Paper

Quasi-mosaicity as a tool for focusing hard x-rays
Author(s): Riccardo Camattari; Vincenzo Guidi; Ilaria Neri
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Paper 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.

Paper Details

Date Published: 17 September 2012
PDF: 8 pages
Proc. SPIE 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, 844335 (17 September 2012); doi: 10.1117/12.926153
Show Author Affiliations
Riccardo Camattari, Univ. degli Studi di Ferrara (Italy)
SENSOR Lab., CNR, IDASC (Italy)
Vincenzo Guidi, Univ. degli Studi di Ferrara (Italy)
SENSOR Lab., CNR, IDASC (Italy)
Ilaria Neri, Univ. degli Studi di Ferrara (Italy)
SENSOR Lab., CNR, IDASC (Italy)


Published in SPIE Proceedings Vol. 8443:
Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray
Tadayuki Takahashi; Stephen S. Murray; Jan-Willem A. den Herder, Editor(s)

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