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Numerical simulation of the evolution of high-temperature dense plasma generated by a femtosecond laser pulseстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
- Авторы: Rusanov A.A., Savel’ev A.B.
- Журнал: Laser Physics
- Том: 14
- Номер: 12
- Год издания: 2004
- Издательство: IOP Publishing
- Местоположение издательства: [Bristol, UK], England
- Первая страница: 1466
- Последняя страница: 1474
- Аннотация: A numerical simulation of the recombination and ionization processes in expanding plasma generated by an ultrashort laser pulse with an intensity of 10(15)-10(16) W/cm(2) is carried out. This analysis is based on an original one-dimensional plane hydrodynamic model for the expansion of a nonequilibrium plasma in vacuum. Significant attention is paid to the effect of bound-bound transitions in ions on the rates of ionization and recombination processes and the ionization state of the plasma at long (up to 10 mus) time intervals. It is demonstrated in calculations using examples of Si and Hg plasma that the excited states as functions of the plasma concentration need to be taken into account in a correct analysis of the plasma kinetics. The results of the numerical simulation are compared to the experimental data obtained using the time-of-flight method. It is shown that the model proposed makes it possible to describe the main features of the experimentally observed charge and time-of-flight ion spectra.
- Добавил в систему: Савельев-Трофимов Андрей Борисович