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Computer Optics, 2017, Volume 41, Issue 6, Pages 796–802 (Mi co450)  

OPTO-IT

Simulation of hard x-ray focusing using an array of cylindrical micro-holes in a diamond film

A. G. Nalimovab, V. V. Kotlyarab, V. I. Konovc

a Samara National Research University, Samara, Russia
b Image Processing Systems Institute of the RAS - Branch of the FSRC "Crystallography and Photonics" RAS, Samara, Russia
c Natural Science Center General Physics Institute, Moscow, Russia

Abstract: The focusing of hard x-rays was numerically simulated using a beam propagation method implemented in the BeamPROP software package and a Rayleigh-Sommerfeld integral. It was shown that when focusing hard X-rays of wavelength 1.34 A with sequentially arranged circular cylindrical microlenses (shaped as 10-$\mu $m micro-holes) found in a polycrystalline diamond film, a nearly 10 times shorter focal length of the microlens array can be achieved, reducing from 14.4 cm to 15 mm, via increasing the number of microlenses from 1 to 20. Meanwhile, the x-ray focal spot size was found to decrease 7 times along the minor axis from 1.5 $\mu$m to 200 nm, while the maximum intensity in the focus experienced a 40-times increase.

Keywords: X-ray, cylindrical lens, diamond film.

Funding Agency Grant Number
Russian Science Foundation 14-22-00243
The work was funded by the Russian Science Foundation (grant No. 14-22-00243).


DOI: https://doi.org/10.18287/2412-6179-2017-41-6-796-802

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Full text: http://www.computeroptics.smr.ru/.../410602.html
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Received: 30.10.2017
Accepted:06.12.2017

Citation: A. G. Nalimov, V. V. Kotlyar, V. I. Konov, “Simulation of hard x-ray focusing using an array of cylindrical micro-holes in a diamond film”, Computer Optics, 41:6 (2017), 796–802

Citation in format AMSBIB
\Bibitem{NalKotKon17}
\by A.~G.~Nalimov, V.~V.~Kotlyar, V.~I.~Konov
\paper Simulation of hard x-ray focusing using an array of cylindrical micro-holes in a diamond film
\jour Computer Optics
\yr 2017
\vol 41
\issue 6
\pages 796--802
\mathnet{http://mi.mathnet.ru/co450}
\crossref{https://doi.org/10.18287/2412-6179-2017-41-6-796-802}


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