Comment on “Ultrafast electron optics: Propagation dynamics of femtosecond electron packets” [J. Appl. Phys. 92, 1643 (2002)] | Zendy

Bao-Liang Qian | Zendy; Hani E. Elsayed-Ali | Zendy

Open Access

Comment on “Ultrafast electron optics: Propagation dynamics of femtosecond electron packets” [J. Appl. Phys. 92, 1643 (2002)]

Author(s) -

Bao-Liang Qian,

Hani E. Elsayed-Ali

Publication year - 2003

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.1567816

Subject(s) - physics , electron , ultrashort pulse , space charge , femtosecond , field (mathematics) , point particle , mean field theory , pulse (music) , quantum mechanics , atomic physics , laser , mathematics , voltage , pure mathematics

The propagation dynamics of space-charge-limited femtosecond electron pulse, propagating in a photoelectron gun, were investigated. The experiment involved the use of an analytical approach based on mean-field theory and a numerical N-body simulations for studying the electron space-charge dynamics in an ultrafast electron packet. The experimental results when compared with the fluid model concluded that the fluid model overestimated the pulse duration after a certain propagation time.

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