Highhyphen;energy ions from a Ndhyphen;laserhyphen;produced plasma

摘要

Measurements of the asymptotic energy distribution of the different high‐energy ion species at Nd‐laser irradiance 1015–1016W/cm2on a CH2planar target are presented and the acceleration mechanism of these high‐energy ions is discussed. Multipeak structure between 10 and 100 keV is observed on the H+ion distribution. A disproportionate number of H+ions withE/Zhigher than the C+zions is also observed.