Enhancement of a 24.77-nm line emitted by the plasma of a boron nitride capillary discharge irradiated by a high-intensity ultrashort laser pulse

Karol A. Janulewicz*, Matthias Schnürer, Johannes Tümmler, Gerd Priebe, Enrico Risse, Peter V. Nickles, Boris Greenberg, Michael Levin, Anatoly Pukhov, Pinchas Mandelbaum, Arie Zigler

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Investigations of plasma produced by a boron nitride capillary discharge irradiated with a guided 20-TW Ti: sapphire laser pulse at a peak intensity of 4 × 1018 W/cm2 are presented. The guided laser radiation in the plasma channel generated He-like ions that, subject to suitable plasma temperature, recombined into Li-like nitrogen ions. Intense radiation at a wavelength of 24.77 nm was observed, indicating possible lasing at the 3d5/2-2p3/2 transition in Li-like nitrogen.

Original languageEnglish
Pages (from-to)1572-1574
Number of pages3
JournalOptics Letters
Volume30
Issue number12
DOIs
StatePublished - 15 Jun 2005

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