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Opt Express. 2017 Oct 16;25(21):25090-25097. doi: 10.1364/OE.25.025090.

Generalized pupil function of a compound X-ray refractive lens.

Optics express

Sergey Gasilov, Tomy Dos Santos Rolo, Alberto Mittone, Sergey Polyakov, Sergey Terentyev, Tomas Farago, Vladimir Blank, Alberto Bravin, Tilo Baumbach

PMID: 29041180 DOI: 10.1364/OE.25.025090

Abstract

Quality of a refractive compound X-ray lens can be limited by imperfections in surfaces of unit lenses and stacking precision. In general case both the lens transmission and optical aberrations define properties of a beam in the lens exit plane; together they can be expressed in terms of the generalized pupil function. In this work we measure this function for a diamond single crystal compound refractive lens. Consequently, we apply the pupil function to evaluate the performance of the examined compound refractive X-ray lens. A number of practically important conclusions can be drawn from such analysis.

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