Nayak, A;
Orfanos, I;
Makos, I;
Dumergue, M;
Kühn, S;
Skantzakis, E;
Bodi, B;
... Tzallas, P; + view all
(2018)
Multiple ionization of argon via multi-XUV-photon absorption induced by 20-GW high-order harmonic laser pulses.
Physical Review A
, 98
(2)
, Article 023426. 10.1103/PhysRevA.98.023426.
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Abstract
We report the observation of multiple ionization of argon through multi-XUV-photon absorption induced by an unprecedentedly powerful laser driven high-order harmonic generation source. Comparing the measured intensity dependence of the yield of the different argon charge states with numerical calculations we can infer the different channels—direct and sequential—underlying the interaction. While such studies were feasible so far only with free electron laser (FEL) sources, this paper connects highly nonlinear XUV processes with the ultrashort time scales inherent to the harmonic pulses and highlights the advanced perspectives of emerging large scale laser research infrastructures.
| Type: | Article |
|---|---|
| Title: | Multiple ionization of argon via multi-XUV-photon absorption induced by 20-GW high-order harmonic laser pulses |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysRevA.98.023426 |
| Publisher version: | https://doi.org/10.1103/PhysRevA.98.023426 |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | High-order harmonic generation, Multiphoton or tunneling ionization & excitation, Ultrashort pulses, Atomic, Molecular & Optical |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10056673 |
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