Three-photon femtosecond pumped backwards lasing in argon

Arthur Dogariu, Richard B. Miles

Research output: Contribution to journalArticle

19 Scopus citations

Abstract

We demonstrate backwards lasing in atomic argon directly excited via a three-photon pumping in air mixtures with argon mole fractions down to 10%. We achieve well collimated, narrowband coherent emission at 1327nm by using both broadband femtosecond excitation and narrow linewidth picosecond excitation in the vicinity of 261nm. This approach shows promise for standoff trace detection in the atmosphere.

Original languageEnglish (US)
Pages (from-to)A544-A552
JournalOptics Express
Volume24
Issue number6
DOIs
StatePublished - Mar 21 2016

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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