Dispersion and monochromatization of x-rays using a beryllium prism | Zendy

M. Burza | Zendy; H. Enquist | Zendy; A. Jurgilaitis | Zendy; J. Nygaard | Zendy; Jörgen Larsson | Zendy

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Dispersion and monochromatization of x-rays using a beryllium prism

Author(s) -

M. Burza,

H. Enquist,

A. Jurgilaitis,

J. Nygaard,

Jörgen Larsson

Publication year - 2015

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.000620

Subject(s) - optics , undulator , beryllium , prism , harmonics , beamline , dispersion (optics) , physics , refraction , cuboid , beam (structure) , materials science , geometry , mathematics , quantum mechanics , voltage , nuclear physics

We demonstrate experimentally and numerically that an x-ray prism made of beryllium can be used to disperse and monochromatize x-rays. A polished beryllium cuboid was employed as refractive and dispersive optics. The results of a proof-of-principle experiment and methods of performance optimization are presented. The spatial separation of undulator harmonics and their subsequent selection using a slit are described. A numerical study, assuming realistic beam and beamline parameters, suggests that undulator harmonics can be spatially separated in the range from 3 keV to beyond 20 keV, while maintaining throughput above 50%. Refractive optics is particularly suitable for low-repetition-rate sources such as free-electron lasers and other LINAC-based short-pulse sources.

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