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Сравнение методов моделирования прохождения рентгеновского излучения через ДОЭ в параксиальной области

Сравнение методов моделирования прохождения рентгеновского излучения через ДОЭ в параксиальной области

Abstract

Приведены результаты различных вариантов моделирования распространения света после прохождения через зонную пластинку из меди и кремния для рентгеновского излучения. Моделирование проводилось с помощью расчёта одномерного преобразования Френеля, одномерного непараксиального распространения (через угловой спектр), двумерного интеграла Релея-Зоммерфельда, RSoft BeamProp из пакета FullWave, производитель RSoft Design Group, США. Показано, что все четыре метода дают очень близкие результаты в фокальной плоскости.

The results of calculation of different modeling methods of radiation propagation calculation after a zone plate made of a Cu and Si are shown in the article. The modeling methods are one-dimension Fresnel transformation, one-dimension non-paraxial propagation method (angle spectrum of flat waves), two-dimension integral of Rayleigh-Zommerfeld, RSoft BeamProp software (RSoft design froup, USA). It is shown, that all four methods give results close each other in the focal plane.

Keywords

ЗОННАЯ ПЛАСТИНКА, РЕНТГЕНОВСКОЕ ИЗЛУЧЕНИЕ, ГАММА, ПРЕОБРАЗОВАНИЕ ФРЕНЕЛЯ, ИНТЕГРАЛ РЕЛЕЯ-ЗОММЕРФЕЛЬДА, УГЛОВОЙ СПЕКТР

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold