Novel portable high-luminosity monochromatically tunable x-ray microscope

Francesco Flora; Sarah Bollanti; A. Lai; Paolo Di Lazzaro; Tommaso Letardi; Antonio Grilli; Libero Palladino; Giuseppe Tomassetti; Armando Reale; Lucia Reale; Anna Scafati; L. Baccehtta; Lucia Alianelli; Manuel Sanchez del Rio; Tatiana A. Pikuz; Anatoly Ya. Faenov

doi:10.1117/12.448472

14 November 2001 Novel portable high-luminosity monochromatically tunable x-ray microscope

Francesco Flora, Sarah Bollanti, A. Lai, Paolo Di Lazzaro, Tommaso Letardi, Antonio Grilli, Libero Palladino, Giuseppe Tomassetti, Armando Reale, Lucia Reale, Anna Scafati, L. Baccehtta, Lucia Alianelli, Manuel Sanchez del Rio, Tatiana A. Pikuz, Anatoly Ya. Faenov

Author Affiliations +

Proceedings Volume 4504, Applications of X Rays Generated from Lasers and Other Bright Sources II; (2001) https://doi.org/10.1117/12.448472
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

A novel experimental setup for transmission x-ray microscopy is presented. It is based on the use of a point isotropic x- ray source and a single spherical crystal. The x-ray beam intensity is modulated by the object attenuation, then monochromatized and enlarged using a spherical crystal and, lastly, imaged using a detector downstream of the crystal. We demonstrate by ray tracing technique and experimental testing that this system allows microscopy studies with image resolution better than the dimensions of the source, high magnification ratios, and great field of view. Microscopes using this model ca be easily built using different micro x-ray sources, like conventional x-ray tube generators, x-rays emitted by laser generated plasmas or synchrotron radiation. Utilization of spherically bent crystals to obtain high-resolution, large field, monochromatic images in a wide range of Bragg angles is demonstrated for the first time. High quality monochromatic images with high magnification about 15-35 times and spatial resolution over a large field of view were obtained. Some possible applications and preliminary experimental verification of the feasibility of the setup are also presented.

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Francesco Flora, Sarah Bollanti, A. Lai, Paolo Di Lazzaro, Tommaso Letardi, Antonio Grilli, Libero Palladino, Giuseppe Tomassetti, Armando Reale, Lucia Reale, Anna Scafati, L. Baccehtta, Lucia Alianelli, Manuel Sanchez del Rio, Tatiana A. Pikuz, and Anatoly Ya. Faenov "Novel portable high-luminosity monochromatically tunable x-ray microscope", Proc. SPIE 4504, Applications of X Rays Generated from Lasers and Other Bright Sources II, (14 November 2001); https://doi.org/10.1117/12.448472

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