Isolated sub-fs XUV pulse generation in Mn plasma ablation | Zendy

R. A. Ganeev | Zendy; Tobias Witting | Zendy; C. Hutchison | Zendy; F. Frank | Zendy; Maria Tudorovskaya | Zendy; Manfred Lein | Zendy; W. A. Okell | Zendy; A. Zaïr | Zendy; J. P. Marangos | Zendy; J. W. G. Tisch | Zendy

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Isolated sub-fs XUV pulse generation in Mn plasma ablation

Author(s) -

R. A. Ganeev,

Tobias Witting,

C. Hutchison,

F. Frank,

Maria Tudorovskaya,

Manfred Lein,

W. A. Okell,

A. Zaïr,

J. P. Marangos,

J. W. G. Tisch

Publication year - 2012

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.025239

Subject(s) - optics , laser , high harmonic generation , extreme ultraviolet , femtosecond , harmonics , plasma , materials science , pulse (music) , harmonic , pulse duration , femtosecond pulse shaping , atomic physics , physics , quantum mechanics , voltage , detector

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.

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