Highly porous nanoberyllium for X-ray beam speckle suppression - Publikacja - MOST Wiedzy

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Highly porous nanoberyllium for X-ray beam speckle suppression

Abstrakt

The speckle suppressor device containing highly porous nanoberyllium is proposed for manipulating with the spatial coherence length and removing undesirable speckle structure during the imaging experiments. We report a special device called the speckle suppressor, which contains the highly porous nanoberyllium plate, compacted from both sides by two beryllium windows. By insertion the speckle suppressor in the X-ray beam it allows to manipulate with the spatial coherence length, changing the effective source size and to remove undesirable speckle structure in the X-ray imaging experiments walmost without a beam attenuation. The absorption of the nanoberyllium plate is below 1% for 1 mm thickness at 12 keV. The speckle suppressor was tested at the ID06 ESRF beamline with X-rays in the energy range from 9 to 15 keV. It was applied for the transformation of the phase-amplitude contrast to pure amplitude one in the scheme of full-field microscopy. The device was also used to eliminate holographic fringes of the phase object like a boron fibre.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
JOURNAL OF SYNCHROTRON RADIATION nr 22, wydanie 3, strony 796 - 800,
ISSN: 1600-5775
Język:
angielski
Rok wydania:
2015
Opis bibliograficzny:
Goikhman A., Lyatun I., Ershov P., Snigireva I., Wojda P., Gorlevsky V., Semenov A., Sheverdyaev M., Koletskiy V., Snigirev A.: Highly porous nanoberyllium for X-ray beam speckle suppression// JOURNAL OF SYNCHROTRON RADIATION. -Vol. 22, iss. 3 (2015), s.796-800
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1107/s1600577515003628
Weryfikacja:
Politechnika Gdańska

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