The transformation of dielectric optical property under irradiation of ultra-short pulse laser is studied based on avalanche ionization theory. 根据雪崩离化模型,分析了飞秒激光脉冲与介质材料相互作用过程中光学特性的变化规律。
Then based on the avalanche mode and the relationship between the reflectivity and the dielectric constant, a calculation in theory is made. 采用雪崩击穿模型,并根据晶体材料反射率与材料的介电常量的依赖关系,通过数值计算,模拟了材料烧蚀阈值与脉宽的依赖关系及材料激发过程中反射率的变化关系。
The microwave solid state noise diodes are investigated based on the PN junction avalanche multiplication theory with tunneling penetration. 本文以带有隧道穿透的PN结雪崩倍增理论,研究了微波固体噪声二极管。
We suppose a QS-LMR interaction process is an eigen state of the radiation time operator, and then obtain the quantum characteristics of the resonance time the successful applications to laser-induced elec-tric breakdown in alkali-halide crystals provide a theoretical foundation for the avalanche ionization theory. 通过假定辐射与物质作用过程为时间本征态,推出了共振时间量子化的重要结论。本文对碱金属卤化物晶休激光诱导电击穿的成功应用为雪崩电离理论提供了理论依据。
A narrow pulse with high voltage and short leading part is generated through the combination of avalanche transistors and the MARX Bank circuit. The bipolar pulse with good waveform is obtained based on transmission line theory and the lumped parameter equivalent circuit. 采用雪崩管串联应用与MARX电路结合的办法产生了前沿较快的高压窄脉冲,利用传输线反射耦合理论及其集总参数LC等效电路得到了波形较好的双极性脉冲。
Two basic theories were introduced:? Secondary Electron Emission Avalanche ( SEEA) theory and Electron Triggered Polarization Relaxation ( ETPR) theory, summarizing the impact factors that affect the insulating material surface flashover and suppression measures. 介绍了沿面闪络的两大基本理论:二次电子崩理论和电子极化松弛理论,概括了影响绝缘材料沿面闪络的因素以及抑制措施。