<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Junjie Li</style></author><author><style face="normal" font="default" size="100%">Xuan Wang</style></author><author><style face="normal" font="default" size="100%">Zhaoyang Chen</style></author><author><style face="normal" font="default" size="100%">Richard Clinite</style></author><author><style face="normal" font="default" size="100%">Samuel S. Mao</style></author><author><style face="normal" font="default" size="100%">Pengfei Zhu</style></author><author><style face="normal" font="default" size="100%">Zhengming Sheng</style></author><author><style face="normal" font="default" size="100%">Jie Zhang</style></author><author><style face="normal" font="default" size="100%">Jianming Cao</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Ultrafast electron beam imaging of femtosecond laser-induced plasma dynamics</style></title><secondary-title><style face="normal" font="default" size="100%">Journal of Applied Physics</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">copper</style></keyword><keyword><style  face="normal" font="default" size="100%">electron beam applications</style></keyword><keyword><style  face="normal" font="default" size="100%">high-speed optical techniques</style></keyword><keyword><style  face="normal" font="default" size="100%">laser ablation</style></keyword><keyword><style  face="normal" font="default" size="100%">plasma diagnostics</style></keyword><keyword><style  face="normal" font="default" size="100%">plasma production by laser</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2010</style></year><pub-dates><date><style  face="normal" font="default" size="100%">03/2010</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://dx.doi.org/10.1063/1.3380846</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">107</style></volume><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Plasma dynamics in the early stage of laser ablation of a copper target are investigated in real time by making ultrafast electron shadow images and electron deflectometry measurements. These complementary techniques provide both a global view and a local perspective of the associated transient electric field and charge expansion dynamics. The results reveal that the charge cloud above the target surface is composed predominantly of thermally ejected electrons and that it is self-expanding, with a fast front-layer speed exceeding 10&lt;sup&gt;7&lt;/sup&gt;&amp;ensp;m/s. The average electric field strength of the charge cloud induced by a pump fluence of 2.2&amp;ensp;J/cm&lt;sup&gt;2&lt;/sup&gt; is estimated to be ∼ 2.4×10&lt;sup&gt;5&lt;/sup&gt;&amp;ensp;V/m.&lt;/p&gt;</style></abstract><issue><style face="normal" font="default" size="100%">8</style></issue></record></records></xml>