A crystal-less method for analyzing the phase shifts of an x-ray beam passed through a sample is here presented. An array-structured detector is used both to record and analyze the refracted and scattered radiation. Experimental studies of simple phase objects confirmed that images show features similar or equivalent to the ones produced using an analyzer crystal with comparable signal-to-noise ratio values. Using a detector for analyzing the refraction presents evident advantages in terms of optical stability. In addition, with a single acquisition, several refraction angles can be simultaneously analyzed permitting a better exploitation of the dose delivered to the sample.

Coan, P., Bravin, A. (2007). Analysis of the x-ray refraction using an array-structured detector. APPLIED PHYSICS LETTERS, 90(18) [10.1063/1.2736275].

Analysis of the x-ray refraction using an array-structured detector

Bravin A
Secondo
2007

Abstract

A crystal-less method for analyzing the phase shifts of an x-ray beam passed through a sample is here presented. An array-structured detector is used both to record and analyze the refracted and scattered radiation. Experimental studies of simple phase objects confirmed that images show features similar or equivalent to the ones produced using an analyzer crystal with comparable signal-to-noise ratio values. Using a detector for analyzing the refraction presents evident advantages in terms of optical stability. In addition, with a single acquisition, several refraction angles can be simultaneously analyzed permitting a better exploitation of the dose delivered to the sample.
Articolo in rivista - Articolo scientifico
x-ray refraction; structured detector;
English
Coan, P., Bravin, A. (2007). Analysis of the x-ray refraction using an array-structured detector. APPLIED PHYSICS LETTERS, 90(18) [10.1063/1.2736275].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/345414
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