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Single-shot characterization of independent femtosecond extreme ultraviolet free electron and infrared laser pulses

Radcliffe, P. and Düsterer, S. and Azima, A. and Redlin, H. and Feldhaus, J. and Dardis, John and Kavanagh, Kevin and Luna, H. and Pedregosa Gutierrez, Jofre and Yeates, Patrick and Kennedy, Eugene T. and Costello, John T. and Delserieys, A. and Lewis, C. L. S. and Taïeb, R. and Maquet, A. and Cubaynes, D. and Meyer, M. (2007) Single-shot characterization of independent femtosecond extreme ultraviolet free electron and infrared laser pulses. Applied Physics Letters, 90 (13). pp. 131108-1. ISSN 0003-6951

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Abstract

Two-color above threshold ionization of helium and xenon has been used to analyze the synchronization between individual pulses of the femtosecond extreme ultraviolet (XUV) free electron laser in Hamburg and an independent intense 120 fs mode-locked Ti:sapphire laser. Characteristic sidebands appear in the photoelectron spectra when the two pulses overlap spatially and temporally. The cross-correlation curve points to a 250 fs rms jitter between the two sources at the experiment. A more precise determination of the temporal fluctuation between the XUV and infrared pulses is obtained through the analysis of the single-shot sideband intensities.

Item Type:Article (Published)
Refereed:Yes
Uncontrolled Keywords:two-photon processes; photoionisation; helium; xenon; optical pulse generation; laser variables measurement; free electron lasers; infrared sources; laser mode locking; photoelectron spectra; jitter;
Subjects:Physical Sciences > Physics
DCU Faculties and Centres:Research Initiatives and Centres > National Centre for Plasma Science and Technology (NCPST)
DCU Faculties and Schools > Faculty of Science and Health > School of Physical Sciences
Publisher:American Institute of Physics
Official URL:http://dx.doi.org/10.1063/1.2716360
Copyright Information:Copyright 2007 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters and may be found at http://dx.doi.org/10.1063/1.2716360 .
Funders:Science Foundation Ireland, Higher Education Authority
ID Code:15631
Deposited On:06 Aug 2010 11:29 by DORAS Administrator. Last Modified 06 Aug 2010 11:29

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