The temporal-spatial evolution of electron dynamics induced by femtosecond double pulses

Changji Pan, Lan Jiang, Jingya Sun, Qingsong Wang, Feifei Wang, Yongfeng Lu

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

The temporal and spatial electron dynamics were investigated under irradiation of temporally shaped femtosecond double pulses. Filament split was observed upon arrival of the second pulse, which was attributed to the emergence of transient high-reflective surface induced by the first pulse. The electron density analysis showed that the total deposition energy of double pulses case was generally higher than that of single pulse case. Particularly, the maximum deposition energy was obtained at 350 fs separation time of double pulses. The results of our experiment demonstrated optimization of energy deposition efficiency by temporally shaping laser pulses, which will benefit the fabrication process.

Original languageEnglish (US)
Article number030901
JournalJapanese Journal of Applied Physics
Volume58
Issue number3
DOIs
StatePublished - Mar 1 2019

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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