| 1. | The conception of plasma channel configuration and its balance are put forward
提出放电通道位形和位形平衡的概念。 |
| 2. | The effects of relativistic self - focusing ( rsf ) and preformed plasma channel guiding are analyzed
对相对论性自聚焦效应和预等离子体通道导引进行了分析。 |
| 3. | In the thesis , the propagation of the ultrashort intense laser beam in the plasma channel was investigated theoretically
本文从理论上研究了超短强激光在等离子体隧道中的传输。 |
| 4. | On the basis of computer simulation , the relationship among plasma channel , plasma configuration and the final crater are clarified
根据计算机仿真实验，得出了短、长脉冲加工时瞬时放电通道半径、放电通道位形半径以及最终放电痕半径三者之间的关系。 |
| 5. | Chapter 1 : the background of the study of propagation of ultrashort intense laser in plasma channel and a survey of the interaction of laser with plasma were introduced
第一章：本章介绍了超短强激光在等离子体隧道中传输研究的背景，并回顾了激光和等离子体相互作用物理。 |
| 6. | Based on the wave characteristics of plasma channel and with the consideration of diffusion effects of plasma , this paper focuses attention on the research of the electrical discharge machining ( edm ) mechanism
摘要基于放电通道的波动特性，并考虑放电通道中等离子体的双极扩散效应，对电火花加工机理进行了研究。 |
| 7. | It is pointed out that the wave of plasma channel can be decomposed into transversal and longitudinal wave , and different effects of the wave on the material removal in different pulse width are analyzed
指出放电通道的波动可以分解成纵波和横波2个分量，并分别分析了短、长脉冲加工时横波和纵波对材料蚀除的不同影响。 |
| 8. | The envelope equation of laser propagating in the plasma channel , and the general expression related the laser spot size with the propagation distance and the width of the plasma channel etc . , are derived based on the hamilton - jacobi equation and the refractive index equation
在此基础上得到了激光在等离子体隧道中传输的包络方程以及光斑半径与传输距离、隧道宽度等初始参量的关系。 |
| 9. | Chapter 2 : characteristics of propagation of ultra - intense laser beam in a partially stripped preformed plasma channel is discussed , in which the relativistic self - focusing effects , together with the perturbed plasma density , is discussed
第二章：本章阐述了超强激光光束在抛物型部分电离的预等离子体(聚焦和散焦)隧道中的传输特性。研究了相对论自聚焦效应和等离子体波引起的密度扰动对传输的影响。 |
| 10. | From maxwell equations the refractive index equation and hamilton - jacobi equation , which describe the evolution of the electric field , are derived including the effects of the diffraction , the third - order intensity - dependent nonlinearity , plasma defocusing , the focusing and defocusing of the plasma channel , and the relativistic self - focusing
从maxwell方程出发我们得到了两个包含衍射、三阶强度非线性、等离子体散焦、等离子体隧道聚焦和散焦以及相对论自聚焦等效应在内的激光场演化方程，即折射率方程和哈密顿-雅可比方程。 |
