- thermionic
- thermoelectronic
- thermoionic
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热电子的的英文
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- In the experiment of the angular distribution of the hot electrons emission , three - peaks and double - peaks emission of the hot electrons resulted from the multi - acceleration mechanisms are observed in our experiments
在超热电子发射的角分布实验研究中，发现由几种加速机制所支配的超热电子的三峰发射和双峰发射。 - From the scaling law about hot electron temperature given by vh model , the hot electron measured by experiment was reasonable , the temperature was higher than the temperature given by resonant absorption scaling law
真空吸收是产生高能超热电子的主导过程，从真空吸收给出的超热电子温度定标率来看，实验中测量得到的超热电子温度是合理的。 - The peak in the direction of the target normal is consistent with mat of predicted by the resonance absorption and another peak of hot electrons emission in the specular reflection direction is due to the multi - acceleration mechanisms . the hot electrons emission along the back - reflection direction is probably caused by the acceleration of the back - reflection laser , which is for the first time put forward by us
其中，靶法线方向的超热电子发射峰与共振吸收( res ~ eabso甲tion )机制所预言的一致;根据理论估算提出激光反射方向的超热电子发射峰是几种加速机制共同作用的结果;我们首次提出背反射激光加速超热电子的新机制，并用此机制解释了激光背反射方向产生的超热电子发射峰。 - The experimental results are helpful to understand the acceleration mechanisms of the hot electron emission in the interaction of the us - ui laser pulse with plasma . an anisotropy energy distribution of the hot electrons emiaon has been observed for the first time in the experiments . the energy spectrum of hot electrons resulted from the resonance absorption at the direction of target normal is a maxwellian - like distribution
E11分布，拟合的超热电子有效温度约200kev左右，超热电子的最大能量约zmev ，加速电子的主导机制是共振吸收机制;反射方向超热电子的能谱在低能段出现一个局部的平台( pla1leau ) ，呈现出非类maxwen分布，这是几种加热机制共同作用的结果，其中占主导地位的是反射激光加速机制。 - In this paper , such three points are studied as : a ) the angular distributions of the hot electrons emission under laser irradiation at different incidence angles and at different polarization direction , the angular distribution of the hot electrons in the different energy range , and the effects of laser prepulse on the angular distributions of the hot electrons emission ; b ) the energy distribution of the hot electrons at different directions , from the metallic targets and the dielectric targets , in the different energy range of the hot electrons , and the effects of the atomic number z on the energy distribution of hot electron generated by the metallic targets ; and c ) the energetic proton emission resulting from the interaction of the us - ui laser pulse with plasma
本论文进行了三个方面的研究：第一，超热电子角分布的研究，包括不同激光入射角下超热电子的角分布；激光不同偏振态下超热电子的角分布；激光预脉冲对超热电子角分布的影响；不同能段的超热电子的角分布。第二，超热电子能量分布的研究，包括不同方位超热电子的能量分布，金属与非金属靶材的超热电子的能量分布，金属原子序数z对超热电子能量分布的影响以及不同能段超热电子的能量分布。第三，研究了超短超强激光与固体靶相互作用所产四川大学博士学位论文生的高能质子发射和能谱。