Proposal for a Laue lens with quasi-mosaic crystalline tiles

被引：28
|
作者：
Guidi, Vincenzo [1 ]
Bellucci, Valerio [1 ]
Camattari, Riccardo [1 ]
Neri, Ilaria [1 ]
机构：
[1] Univ Ferrara, Dept Phys, I-44122 Ferrara, Italy
来源：
JOURNAL OF APPLIED CRYSTALLOGRAPHY | 2011年 / 44卷
关键词：
RAYS;
D O I：
10.1107/S0021889811035709
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Quasi-mosaicity is an effect of secondary bending within a crystal driven by crystalline anisotropy. This effect can be used to fabricate a series of curved crystals for the realization of a Laue lens. It is highlighted that crystals bent by the quasi-mosaic effect allow very high resolution focusing with respect to mosaic crystals. Under the same conditions for energy passband, crystal size and flux of incident photons, a Laue lens based on quasi-mosaic crystals would increase the signal-to-noise ratio by about an order of magnitude compared to the same lens with mosaic crystals. Moreover, no mosaic defocusing occurs for quasi-mosaic crystals.
引用
收藏
页码：1255 / 1258
页数：4
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