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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 23 — Nov. 5, 2012
  • pp: 25239–25248

Isolated sub-fs XUV pulse generation in Mn plasma ablation

R. A. Ganeev, T. Witting, C. Hutchison, F. Frank, M. Tudorovskaya, M. Lein, W. A. Okell, A. Zaïr, J. P. Marangos, and J. W. G. Tisch  »View Author Affiliations


Optics Express, Vol. 20, Issue 23, pp. 25239-25248 (2012)
http://dx.doi.org/10.1364/OE.20.025239


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Abstract

We report studies of high-order harmonic generation in laser-produced manganese plasmas using sub-4-fs drive laser pulses. The measured spectra exhibit resonant enhancement of a small spectral region of about 2.5 eV width around the 31st harmonic (~50eV). The intensity contrast relative to the directly adjacent harmonics exceeds one order of magnitude. This finding is in sharp contrast to the results reported previously for multi-cycle laser pulses [Physical Review A 76, 023831 (2007)]. Theoretical modelling suggests that the enhanced harmonic emission forms an isolated sub-femtosecond pulse.

© 2012 OSA

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4160) Nonlinear optics : Multiharmonic generation

ToC Category:
Nonlinear Optics

History
Original Manuscript: July 20, 2012
Revised Manuscript: September 1, 2012
Manuscript Accepted: September 1, 2012
Published: October 22, 2012

Citation
R. A. Ganeev, T. Witting, C. Hutchison, F. Frank, M. Tudorovskaya, M. Lein, W. A. Okell, A. Zaïr, J. P. Marangos, and J. W. G. Tisch, "Isolated sub-fs XUV pulse generation in Mn plasma ablation," Opt. Express 20, 25239-25248 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-23-25239


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