Double-pulsed wave packets in spontaneous radiation from a tandem undulator

We verify that each wave packet of spontaneous radiation from two undulators placed in series has a double-pulsed temporal profile with pulse spacing which can be controlled at the attosecond level. Using a Mach–Zehnder interferometer operating at ultraviolet wavelengths, we obtain the autocorrelati...

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Autores principales: Kaneyasu, T., Hosaka, M., Mano, A., Takashima, Y., Fujimoto, M., Salehi, E., Iwayama, H., Hikosaka, Y., Katoh, M.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2022
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9188554/
https://www.ncbi.nlm.nih.gov/pubmed/35690656
http://dx.doi.org/10.1038/s41598-022-13684-2
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author Kaneyasu, T.
Hosaka, M.
Mano, A.
Takashima, Y.
Fujimoto, M.
Salehi, E.
Iwayama, H.
Hikosaka, Y.
Katoh, M.
author_facet Kaneyasu, T.
Hosaka, M.
Mano, A.
Takashima, Y.
Fujimoto, M.
Salehi, E.
Iwayama, H.
Hikosaka, Y.
Katoh, M.
author_sort Kaneyasu, T.
collection PubMed
description We verify that each wave packet of spontaneous radiation from two undulators placed in series has a double-pulsed temporal profile with pulse spacing which can be controlled at the attosecond level. Using a Mach–Zehnder interferometer operating at ultraviolet wavelengths, we obtain the autocorrelation trace for the spontaneous radiation from the tandem undulator. The results clearly show that the wave packet has a double-pulsed structure, consisting of a pair of 10-cycle oscillations with a variable separation. We also report the characterization of the time delay between the double-pulsed components in different wavelength regimes. The excellent agreement between the independent measurements confirms that a tandem undulator can be used to produce double-pulsed wave packets at arbitrary wavelength.
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spelling pubmed-91885542022-06-13 Double-pulsed wave packets in spontaneous radiation from a tandem undulator Kaneyasu, T. Hosaka, M. Mano, A. Takashima, Y. Fujimoto, M. Salehi, E. Iwayama, H. Hikosaka, Y. Katoh, M. Sci Rep Article We verify that each wave packet of spontaneous radiation from two undulators placed in series has a double-pulsed temporal profile with pulse spacing which can be controlled at the attosecond level. Using a Mach–Zehnder interferometer operating at ultraviolet wavelengths, we obtain the autocorrelation trace for the spontaneous radiation from the tandem undulator. The results clearly show that the wave packet has a double-pulsed structure, consisting of a pair of 10-cycle oscillations with a variable separation. We also report the characterization of the time delay between the double-pulsed components in different wavelength regimes. The excellent agreement between the independent measurements confirms that a tandem undulator can be used to produce double-pulsed wave packets at arbitrary wavelength. Nature Publishing Group UK 2022-06-11 /pmc/articles/PMC9188554/ /pubmed/35690656 http://dx.doi.org/10.1038/s41598-022-13684-2 Text en © The Author(s) 2022 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Article
Kaneyasu, T.
Hosaka, M.
Mano, A.
Takashima, Y.
Fujimoto, M.
Salehi, E.
Iwayama, H.
Hikosaka, Y.
Katoh, M.
Double-pulsed wave packets in spontaneous radiation from a tandem undulator
title Double-pulsed wave packets in spontaneous radiation from a tandem undulator
title_full Double-pulsed wave packets in spontaneous radiation from a tandem undulator
title_fullStr Double-pulsed wave packets in spontaneous radiation from a tandem undulator
title_full_unstemmed Double-pulsed wave packets in spontaneous radiation from a tandem undulator
title_short Double-pulsed wave packets in spontaneous radiation from a tandem undulator
title_sort double-pulsed wave packets in spontaneous radiation from a tandem undulator
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9188554/
https://www.ncbi.nlm.nih.gov/pubmed/35690656
http://dx.doi.org/10.1038/s41598-022-13684-2
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