Attosecond pulse formation via switching of resonant interaction by tunnel ionization

T. R. Akhmedzhanov; V. A. Antonov; Y. V. Radeonychev; Olga Kocharovskaya

doi:10.1117/12.2188253

22 September 2015 Attosecond pulse formation via switching of resonant interaction by tunnel ionization

T. R. Akhmedzhanov, V. A. Antonov, Y. V. Radeonychev, Olga Kocharovskaya

Proceedings Volume 9589, X-Ray Lasers and Coherent X-Ray Sources: Development and Applications XI; 95890W (2015) https://doi.org/10.1117/12.2188253
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

We investigate a new method to produce attosecond pulses from a resonant XUV radiation in an atomic gas which is simultaneously irradiated by an IR laser field. Around the crests of an IR field all the excited atomic energy levels are strongly broadened due to rapid tunnel ionization from the corresponding excited states and atoms are not able to resonantly absorb the incident vacuum ultraviolet radiation. Vice versa, around zeroes of an IR field, ionization is slow and atoms effectively absorb the vacuum ultraviolet radiation. As a result, an interaction between atoms and XUV field is switched on and off resulting in formation of attosecond pulses.

Citation Download Citation

T. R. Akhmedzhanov, V. A. Antonov, Y. V. Radeonychev, and Olga Kocharovskaya "Attosecond pulse formation via switching of resonant interaction by tunnel ionization", Proc. SPIE 9589, X-Ray Lasers and Coherent X-Ray Sources: Development and Applications XI, 95890W (22 September 2015); https://doi.org/10.1117/12.2188253

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