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A New Method of Phase-Contrast Microscopy of Microobjects Using a Nanofocusing Lens in Synchrotron Radiation.

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Title: A New Method of Phase-Contrast Microscopy of Microobjects Using a Nanofocusing Lens in Synchrotron Radiation.
Authors: Folomeshkin, M. S.1 (AUTHOR) folmaxim@gmail.com, Kohn, V. G.1 (AUTHOR), Seregin, A. Yu.1 (AUTHOR), Volkovsky, Yu. A.1 (AUTHOR), Aleksandrov, A. V.1 (AUTHOR), Prosekov, P. A.1 (AUTHOR), Yunkin, V. A.2 (AUTHOR), Snigirev, A. A.3 (AUTHOR), Pisarevsky, Yu. V.1 (AUTHOR), Blagov, A. E.1 (AUTHOR), Kovalchuk, M. V.1 (AUTHOR)
Source: Crystallography Reports. Oct2025, Vol. 70 Issue 5, p681-686. 6p.
Subjects: Phase-contrast microscopy, Synchrotron radiation, Carbon fibers, Nanostructures, High resolution imaging, Focus (Optics)
Abstract: The first results obtained by a new experimental method for phase-contrast microscopy of microobjects using synchrotron radiation and a nanofocusing lens in a cone-beam geometry are presented. In the experiment, a secondary radiation source is formed in the lens focus located at a small distance from the microobject, enabling the acquisition of its magnified image. Under the near-field regime, the microobject structure can relatively easily be determined from the experimental image using the transport of intensity equation. The experiment was performed at the KISI-Kurchatov synchrotron radiation source. A model weakly absorbing microobject—commercially available carbon fiber of grade VMN-4—was used. The obtained fiber dimensions and structural features, resolved with submicron spatial resolution, are consistent with the electron microscopy data. [ABSTRACT FROM AUTHOR]
Copyright of Crystallography Reports is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: A New Method of Phase-Contrast Microscopy of Microobjects Using a Nanofocusing Lens in Synchrotron Radiation.
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  Data: The first results obtained by a new experimental method for phase-contrast microscopy of microobjects using synchrotron radiation and a nanofocusing lens in a cone-beam geometry are presented. In the experiment, a secondary radiation source is formed in the lens focus located at a small distance from the microobject, enabling the acquisition of its magnified image. Under the near-field regime, the microobject structure can relatively easily be determined from the experimental image using the transport of intensity equation. The experiment was performed at the KISI-Kurchatov synchrotron radiation source. A model weakly absorbing microobject—commercially available carbon fiber of grade VMN-4—was used. The obtained fiber dimensions and structural features, resolved with submicron spatial resolution, are consistent with the electron microscopy data. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Crystallography Reports is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Text: English
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      – SubjectFull: Carbon fibers
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              Text: Oct2025
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