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An experiment for two-color photoionization using high intensity extreme-UV free electron and near-IR laser pulses

Radcliffe, P. and Düsterer, S. and Azima, A. and Li, W.B. and Plönjes, E. and Redlin, H. and Feldhaus, J. and Nicolosi, P. and Poletto, L. and Dardis, John and Pedregosa-Gutierrez, Jofre and Hough, Pádraig and Kavanagh, Kevin D. and Kennedy, Eugene T. and Luna, H. and Yeates, Pat and Costello, John T. and Delyseries, A. and Lewis, C.L.S. and Glijer, D. and Cubaynes, D. and Meyer, M. (2007) An experiment for two-color photoionization using high intensity extreme-UV free electron and near-IR laser pulses. Nuclear Instruments and Methods in Physics Research Section A, 583 (2-3). pp. 516-525. ISSN 0168-9002

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Abstract

We describe an experimental system designed for single-shot photoelectron spectroscopy on free atoms and molecules at the Free Electron Laser in Hamburg (FLASH at DESY). The combination of the extreme ultra-violet (EUV) Free Electron Laser and a temporally synchronized optical fs laser (Ti:Sapphire) enables a variety of two-color pump-probe experiments. The spectral, temporal and spatial characteristics of both the EUV FEL and the optical laser pulses, the experimental procedure to control their overlap as well as the performance of an electron spectrometer used to obtain single-shot photoelectron spectra are discussed. As an illustration of the capabilities of this set-up, some results on two-photon two-color ionization of rare gases are presented.

Item Type:	Article (Published)
Refereed:	Yes
Uncontrolled Keywords:	photoionization; photoelectron spectroscopy; free electron lasers; magnetic bottle spectrometer; EUV spectroscopy; femtosecond lasers; two color photoionization;
Subjects:	Physical Sciences > Physics Physical Sciences > Lasers Physical Sciences > Photonics
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:	Elsevier
Official URL:	http://dx.doi.org/doi:10.1016/j.nima.2007.09.014
Copyright Information:	Copyright © 2007 Elsevier B.V.
Use License:	This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:	100
Deposited On:	08 Nov 2007 by DORAS Administrator. Last Modified 10 Aug 2010 13:59

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