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Abstract
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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Authors (10)
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Alexander Goikhman
- . .
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Ivan Lyatun
- . .
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Irina Snigireva
- . .
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Vladimir Gorlevsky
- . .
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Alexander Semenov
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Maksim Sheverdyaev
- . .
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Viktor Koletskiy
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Anatoly Snigirev
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Cite as
Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1107/S1600577515003628
- License
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Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
JOURNAL OF SYNCHROTRON RADIATION
no. 22,
edition 3,
pages 796 - 800,
ISSN: 1600-5775 - Language:
- English
- Publication year:
- 2015
- Bibliographic description:
- 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:
- Digital Object Identifier (open in new tab) 10.1107/s1600577515003628
- Verified by:
- Gdańsk University of Technology
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