Energy of electrons at the interaction of femtosecond laser with argon nanocluster

Ghaforyan, Hossein

doi:10.1007/s12043-019-1734-2

Cited by 4 publications

(1 citation statement)

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“…This allows one to obtain a rather collimated electron bunch with a high charge at a lower intensity, compared to the laser wakefield regime [10]. It was also shown in a number of publications, in which the use of a chirped pulse may strongly affect the final energy of electrons [11,12].…”

Section: Introductionmentioning

confidence: 81%

Electron acceleration up to MeV level under nonlinear interaction of subterawatt femtosecond laser chirped pulses with Kr clusters

et al. 2019

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The acceleration of electrons to MeV energies from a Kr cluster jet irradiated by a relativistic (6 × 10 18 W cm −2 ) femtosecond laser pulse is studied. For the first time, the action of transform-limited laser pulse effects on the generation of hot electrons with an effective temperature (T hot ) of around 150 keV is experimentally demonstrated. The particles were accelerated in the plasma channel formed under self-focusing of the laser beam. Introducing a linear positive chirp together with pulse elongation from 50-~120 fs results in substantially enhanced hot electrons flux with a growth of T hot up to 300 keV and a maximal energy of over 2 MeV. The observed effect may be related to the strongly nonlinear propagation of the pulse through plasma, accompanied by more favorable conditions for efficient particles energy gain and pulse nonlinear compression.

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Section: Introductionmentioning

confidence: 81%