Аннотация:
Описывается моделирование и изготовление Френелевской зонной пластинки из серебра на мембране из нитрида кремния, созданной совместно ИСОИ РАН и Университетом Сэнт-Эндрюса (Шотландия), с диаметром 200 мкм, крайней зоной 287 нм (всего 176 зон, или 88 периодов), глубиной рельефа 460 нм, фокусным расстоянием 250 мм, рассчитанной для длины волны 2,29А (Cr) (энергия кванта 5,4 Кэв) и с расчётной эффективностью около 3%.

Abstract:
Designing and modeling of a silver Fresnel zone plate on a film of silica nitride, designed together by IPSI RAS and St-Andrews University (Scotland) are discussed. The diameter of the zone plate is 200 mkm, border zone width is 287 nm (176 zones or 88 preriods), relief depth is 460 nm (maximum aspect ratio is 1.6), focal distance is 250 mm, calculated wavelength is 2,29 A (Cr) (quantum energy is 5,4 kEv), calculated efficiency is about 3%.

Ключевые слова :
рентгеновское излучение, зонная пластинка, мембранная технология.

Key words:
x-ray, zone plate, membrane technology.

Литература (References):

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