Observatorio de I+D+i UPM

Memorias de investigación
Research Publications in journals:
Toward compact ultra-intense laser-based soft x-ray laser
Year:2017
Research Areas
  • Engineering
Information
Abstract
We report here recent work on an optical field ionized (OFI), high-order harmonic-seeded EUV laser. The amplifying medium is a plasma of nickel-like krypton obtained by OFI when focusing a 1 J, 30 fs, circularly-polarized, infrared pulse into a krypton-filled gas cell or krypton gas jet. The lasing transition is the 3d94d (J?=?0)?3d94p (J?=?1) transition of Ni-like krypton ions at 32.8 nm and is pumped by collisions with hot electrons. The gain dynamics was probed by seeding the amplifier with a high-order harmonic pulse at different delays. The gain duration monotonically decreased from 7 ps to an unprecedented shortness of 450 fs full width at halfmaximum as the amplification peak rose from 150 to 1200 with an increase of the plasma density from 3?×?1018 to 1.2?×?1020 cm?3. The integrated energy of the EUV laser pulse was also measured, and found to be around 2 ?J. It is to be noted that in the ASE mode, longer amplifiers were achieved (up to 2 cm), yielding EUV outputs up to 14 ?J.
International
Si
JCR
Si
Title
Plasma Physics And Controlled Fusion
ISBN
0741-3335
Impact factor JCR
2,392
Impact info
Volume
60
Journal number
From page
014030
To page
014030
Month
SIN MES
Ranking
Participants
  • Autor: S. Sebban
  • Autor: A. Depresseux
  • Autor: Eduardo Oliva Gonzalo (UPM)
  • Autor: J. Gautier
  • Autor: F. Tissandier
  • Autor: J Nejdl
  • Autor: M. Kozlova
  • Autor: G. Maynard
  • Autor: J.P. Goddet
  • Autor: A. Tafzi
  • Autor: A Lifschitz
  • Autor: H.T. Kim
  • Autor: S. Jacquemot
  • Autor: P. Rousseau
  • Autor: P. Zeitoun
  • Autor: A. Rousse
  • Autor: EDUARDO OLIVA (INSTITUTO FUSION NUCLEAR)
Research Group, Departaments and Institutes related
  • Creador: Centro o Instituto I+D+i: Instituto de Fusión Nuclear
S2i 2021 Observatorio de investigación @ UPM con la colaboración del Consejo Social UPM
Cofinanciación del MINECO en el marco del Programa INNCIDE 2011 (OTR-2011-0236)
Cofinanciación del MINECO en el marco del Programa INNPACTO (IPT-020000-2010-22)