Jitter-free 40-fs 375-keV electron pulses directly accelerated by an intense laser beam and their application to direct observation of laser pulse propagation in a vacuum

Abstract We report the generation of ultrashort bright electron pulses directly driven by irradiating a solid target with intense femtosecond laser pulses. The duration of electron pulses after compression by a phase rotator composed of permanent magnets was measured as 89 fs via the ponderomotive s...

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Autores principales:	Shunsuke Inoue, Shuji Sakabe, Yoshihide Nakamiya, Masaki Hashida
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d025562a958c4f3b83dd2434a5040037
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spelling	oai:doaj.org-article:d025562a958c4f3b83dd2434a50400372021-12-02T11:42:13ZJitter-free 40-fs 375-keV electron pulses directly accelerated by an intense laser beam and their application to direct observation of laser pulse propagation in a vacuum10.1038/s41598-020-77236-22045-2322https://doaj.org/article/d025562a958c4f3b83dd2434a50400372020-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-77236-2https://doaj.org/toc/2045-2322Abstract We report the generation of ultrashort bright electron pulses directly driven by irradiating a solid target with intense femtosecond laser pulses. The duration of electron pulses after compression by a phase rotator composed of permanent magnets was measured as 89 fs via the ponderomotive scattering of electron and laser pulses, which were almost at the compression limit due to the dispersion of the electron optics. The electron pulse compression system consisting of permanent magnets enabled extremely high timing stability between the laser pulse and electron pulse. The long-term RMS arrival time drift was below 14 fs in 4 h, which was limited by the resolution of the current setup. Because there was no time-varying field to generate jitter, the timing jitter was essentially reduced to zero. To demonstrate the capability of the ultrafast electron pulses, we used them to directly visualize laser pulse propagation in a vacuum and perform 2D mapping of the electric fields generated by low-density plasma in real time.Shunsuke InoueShuji SakabeYoshihide NakamiyaMasaki HashidaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-11 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Shunsuke Inoue Shuji Sakabe Yoshihide Nakamiya Masaki Hashida Jitter-free 40-fs 375-keV electron pulses directly accelerated by an intense laser beam and their application to direct observation of laser pulse propagation in a vacuum
description	Abstract We report the generation of ultrashort bright electron pulses directly driven by irradiating a solid target with intense femtosecond laser pulses. The duration of electron pulses after compression by a phase rotator composed of permanent magnets was measured as 89 fs via the ponderomotive scattering of electron and laser pulses, which were almost at the compression limit due to the dispersion of the electron optics. The electron pulse compression system consisting of permanent magnets enabled extremely high timing stability between the laser pulse and electron pulse. The long-term RMS arrival time drift was below 14 fs in 4 h, which was limited by the resolution of the current setup. Because there was no time-varying field to generate jitter, the timing jitter was essentially reduced to zero. To demonstrate the capability of the ultrafast electron pulses, we used them to directly visualize laser pulse propagation in a vacuum and perform 2D mapping of the electric fields generated by low-density plasma in real time.
format	article
author	Shunsuke Inoue Shuji Sakabe Yoshihide Nakamiya Masaki Hashida
author_facet	Shunsuke Inoue Shuji Sakabe Yoshihide Nakamiya Masaki Hashida
author_sort	Shunsuke Inoue
title	Jitter-free 40-fs 375-keV electron pulses directly accelerated by an intense laser beam and their application to direct observation of laser pulse propagation in a vacuum
title_short	Jitter-free 40-fs 375-keV electron pulses directly accelerated by an intense laser beam and their application to direct observation of laser pulse propagation in a vacuum
title_full	Jitter-free 40-fs 375-keV electron pulses directly accelerated by an intense laser beam and their application to direct observation of laser pulse propagation in a vacuum
title_fullStr	Jitter-free 40-fs 375-keV electron pulses directly accelerated by an intense laser beam and their application to direct observation of laser pulse propagation in a vacuum
title_full_unstemmed	Jitter-free 40-fs 375-keV electron pulses directly accelerated by an intense laser beam and their application to direct observation of laser pulse propagation in a vacuum
title_sort	jitter-free 40-fs 375-kev electron pulses directly accelerated by an intense laser beam and their application to direct observation of laser pulse propagation in a vacuum
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/d025562a958c4f3b83dd2434a5040037
work_keys_str_mv	AT shunsukeinoue jitterfree40fs375kevelectronpulsesdirectlyacceleratedbyanintenselaserbeamandtheirapplicationtodirectobservationoflaserpulsepropagationinavacuum AT shujisakabe jitterfree40fs375kevelectronpulsesdirectlyacceleratedbyanintenselaserbeamandtheirapplicationtodirectobservationoflaserpulsepropagationinavacuum AT yoshihidenakamiya jitterfree40fs375kevelectronpulsesdirectlyacceleratedbyanintenselaserbeamandtheirapplicationtodirectobservationoflaserpulsepropagationinavacuum AT masakihashida jitterfree40fs375kevelectronpulsesdirectlyacceleratedbyanintenselaserbeamandtheirapplicationtodirectobservationoflaserpulsepropagationinavacuum
_version_	1718395371254710272

Jitter-free 40-fs 375-keV electron pulses directly accelerated by an intense laser beam and their application to direct observation of laser pulse propagation in a vacuum

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