Two-dimensional focusing of hard X-rays has been accomplished for the first time by means of a phase Bragg-Fresnel lens with efficiency close to 40%. Images of the radiation region of a conventional X-ray tube and of a storage ring of synchrotron radiation have been obtained.
CITATION STYLE
Aristov, V. V., Basov, Yu. A., Snigirev, A. A., Belakhovsky, M., Dhez, P., & Freund, A. (1992). 2-D X-Ray Focusing by Circular Phase Bragg-Fresnel Lenses at a Bragg Angle Close to π/2 (pp. 70–74). https://doi.org/10.1007/978-3-540-46887-5_13
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