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. |
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| 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] |
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| Database: | Engineering Source |
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