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Time-resolved pump-probe experiments beyond the jitter limitations at FLASH

Azima, A. and Düsterer, S. and Radcliffe, P. and Redlin, H. and Stojanovic, N. and Li, W. and Schlarb, H. and Feldhaus, J. and Cubaynes, D. and Meyer, M. and Dardis, John and Hayden, Patrick and Hough, Pádraig and Richardson, Vincent and Kennedy, Eugene T. and Costello, John T. (2009) Time-resolved pump-probe experiments beyond the jitter limitations at FLASH. Applied Physics Letters, 94 (14). pp. 144102-1. ISSN 0003-6951

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Abstract

Using a noninvasive, electro-optically based electron bunch arrival time measurement at FLASH (free electron laser in Hamburg) the temporal resolution of two-color pump-probe experiments has been significantly improved. The system determines the relative arrival time of the extended ultraviolet pulse of FLASH and an amplified Ti:sapphire femtosecond-laser pulse at the interaction region better than 90 fs rms. In a benchmarking pump-probe experiment using two-color above threshold ionization of noble gases, an enhancement in the timing resolution by a factor of 4 compared to the uncorrected data is obtained.

Item Type:Article (Published)
Refereed:Yes
Uncontrolled Keywords:electro-optical effects; free electron lasers; high-speed optical techniques; jitter; optical pumping; photoionisation; two-photon processes;
Subjects:Physical Sciences > Physics
DCU Faculties and Centres:Research Initiatives and Centres > National Centre for Plasma Science and Technology (NCPST)
Publisher:American Institute of Physics
Official URL:http://dx.doi.org/10.1063/1.3111789
Copyright Information:Copyright 2009 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/10.1063/1.3111789 .
ID Code:15630
Deposited On:06 Aug 2010 11:19 by DORAS Administrator. Last Modified 10 Aug 2010 13:58

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