Excited ions in intense femtosecond laser pulses: laser-induced recombination |
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| Authors: | Williams I D McKenna J Wood J Suresh M Bryan W A Stebbings S L English E M L Calvert C R Srigengan B Divall E J Hooker C J Langley A J Newell W R |
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| Institution: | Department of Physics, Queen's University Belfast, Belfast BT7 1NN, United Kingdom. i.williams@qub.ac.uk |
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| Abstract: | Electron-ion recombination in a laser-induced electron recollision is of fundamental importance as the underlying mechanism responsible for the generation of high-harmonic radiation and hence for the production of attosecond pulse trains in the extreme ultraviolet and soft x-ray spectral regions. By using an ion beam target, remotely prepared to be partially in long-lived excited states, the recombination process has for the first time been directly observed and studied. |
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