The temporal profiles of high-power short-pulse lasers reflected from self-induced plasma mirrors(PMs) were measured with high temporal resolution in the sub-picosecond window. The leading front shape of the laser p...The temporal profiles of high-power short-pulse lasers reflected from self-induced plasma mirrors(PMs) were measured with high temporal resolution in the sub-picosecond window. The leading front shape of the laser pulse is found to depend sensitively on the laser fluence on the PM surface. Spectral modulation plays a key role in pulse profile shaping. Our findings will extend our knowledge on properly using PMs.展开更多
基金supported by the National Basic Research Program of China(No.2013CBA01502)the National Natural Science Foundation of China(Nos.11721091,11205100,and 11305103)the National Key Scientific Instrument Development Project(No.2012YQ030142)
文摘The temporal profiles of high-power short-pulse lasers reflected from self-induced plasma mirrors(PMs) were measured with high temporal resolution in the sub-picosecond window. The leading front shape of the laser pulse is found to depend sensitively on the laser fluence on the PM surface. Spectral modulation plays a key role in pulse profile shaping. Our findings will extend our knowledge on properly using PMs.