Hot electron generation in a dense plasma by femtosecond laser pulses of subrelativistic intensityстатья
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.
Аннотация:We report a study of hot electron generation via the interaction of femtosecond laser pulses of subrelativistic intensity (10(15) to 2 x 10(17) W cm(-2)), having different linear polarisations and nanosecond-scale contrasts, with the surface of ’transparent’ (quartz glass) and ’absorbing’ (silicon) targets. As the incident pulse intensity increases from 10(15) to 10(17) W cm(-2), the difference in hard X-ray yield and average hot electron energy between s- and p- polarised beams rapidly decreases. This effect can be understood in terms of relativistic electron acceleration mechanisms.