Femtosecond filamentation induced fluorescence technique for atmospheric sensing

  • Shuai Yuan
  • , See Leang Chin
  • , He Ping Zeng*
  • *Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

20 Scopus citations

Abstract

Recent progress in filament-induced atmospheric sensing is reviewed. Self-guided propagation of ultrashort laser pulses in air induces laser filamentation. All molecules in the path of a filament can be dissociated into highly excited fragments, resulting in emission of characteristic fluorescence spectra. The fluorescence spectra provide information about the various molecules in the filaments. By using a filament-induced "fingerprinting" fluorescence technique, molecules in the atmosphere can be identified.

Original languageEnglish
Article number014208
JournalChinese Physics B
Volume24
Issue number1
DOIs
StatePublished - 1 Jan 2015
Externally publishedYes

Keywords

  • Femtosecond laser
  • Filamentation
  • Remote sensing

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