2022
DOI: 10.1364/oe.475032
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High-aperture EUV microscope using multilayer mirrors and a 3D reconstruction algorithm based on z-tomography

Abstract: The article is devoted to the development of an EUV microscope using a wavelength of 13.84 nm. Due to the use of a mirror lens with a large numerical aperture, NA = 0.27, and a short depth of focus, it has been possible to carry out z-tomography of bio-samples for the first time with this type of microscope. A 3D image was reconstructed, and a pixel resolution of 140 nm was obtained. A new simple algorithm for the 3D reconstruction of absorption images from z-tomography data has been proposed that takes into a… Show more

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Cited by 7 publications
(9 citation statements)
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“…An alternative to the optical design with zone plates, which has become the industry standard in cryo- SXT, can be the use of normal-incidence mirror lenses optimized for the wavelengths of the water transparency window [ 69 ]. Calculations show that such a microscope, with a completely achievable numerical aperture of 0.3 [ 70 ] (vs. ~0.05–0.06 for the zone plates) at a wavelength of 3.37 nm will allow for a lateral resolution of ~ 5 nm, which is an order of magnitude better than the standard achievable 40–70 nm in cryo-SXT and lies in the range previously accessible only by EM.…”
Section: Prospects For Sxmmentioning
confidence: 99%
“…An alternative to the optical design with zone plates, which has become the industry standard in cryo- SXT, can be the use of normal-incidence mirror lenses optimized for the wavelengths of the water transparency window [ 69 ]. Calculations show that such a microscope, with a completely achievable numerical aperture of 0.3 [ 70 ] (vs. ~0.05–0.06 for the zone plates) at a wavelength of 3.37 nm will allow for a lateral resolution of ~ 5 nm, which is an order of magnitude better than the standard achievable 40–70 nm in cryo-SXT and lies in the range previously accessible only by EM.…”
Section: Prospects For Sxmmentioning
confidence: 99%
“…На рис. 1 показаны схема и фотография разработанного в ИФМ РАН микроскопа [16]. Работает он следующим образом.…”
Section: мр микроскоп на длину волны 1384 Nmunclassified
“…При практическом применении метода к разрабатываемой измерительной системе погрешности томографии включат также ошибки, связанные с дифракционной расходимостью и аберрации из-за остаточной ошибки формы зеркал объектива [16]. При этом дифракционная расходимость приводит к нарушению разностного вида ядра по координате z .…”
Section: решение обратной задачи микроскопической томографии на основ...unclassified
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