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介绍了在“神光Ⅰ”和“星光Ⅱ”上分别进行的二倍频、三倍频激光照射金盘靶、腔靶、碳氢有机膜平面靶的实验.通过测量硬X射线谱推断超热电子特性,结合受激Raman散射光和双等离子体衰变产生的(3/2)ω0谐波的观测,分析各种靶超热电子产生和抑制的机理,并探讨了抑制超热电子的有效途径.
The experimental results of gold plate target, cavity target and hydrocarbon organic plane target irradiated by double frequency and triple frequency laser respectively on “Shenguang Ⅰ” and “Xingguang Ⅱ” were introduced. The super X- The thermoelectronic properties were analyzed by observing the (3/2) ω0 harmonics generated by stimulated Raman scattering and double plasma decay, and the mechanism of the generation and inhibition of superheated electrons in various targets were analyzed. way.