The measuring of multi - pass amplifying facility ' s wave - front aberration was achieved , and the character of wave - front aberration in such high power solid - state laser facility was mastered primarily , then the requirement for wave correct system was found out more clearly which would provide support for high power solid - state facility ' s optimum design . 4 完成了多程放大系统中波前误差的实验测量，初步掌握了类似构型高功率固体激光系统的波前误差分布特性，从而进一步明确了对波前校正系统校正能力的要求，为新一代高功率固体激光装置波前校正系统的优化设计提供了依据； 4
This digital amplifier made up of a digital inverter can implement the sine voltage signal ' s power amplifying based on the digital signal processor . with the high processing ability of dsp , the advanced digital control arithmetic can be realized in the software . also the feasible and effective technique for the time delay compensation of digital control can be achieved 该放大系统用数字化逆变器来实现电力系统正弦电压信号功率的放大，利用dsp数字处理器高速的处理能力，可以使系统实现高性能的算法控制，并且能灵活地对系统的误差进行补偿，从而实现逆变系统的高性能和高精度，为解决电力系统电容式互感器二次侧带负载能力弱的问题进行了有意义的研究。
The theoretical part mainly refers to studies of optical parametric chirped pulse amplification . we analyze some basic theories of opcpa , such as phase matching , parametric bandwidth , walk - off in space and time , gain property and so on , and compare the basic properties of bbo , lbo and kdp 理论部分主要是对新兴的光参量啁啾脉冲放大技术的相位匹配、参量范围、时空走离、增益及带宽特性等基础理论进行了分析，并对常用的bbo 、 lbo和kdp基础特性进行了比较分析，这对于光参量啁啾脉冲放大系统的设计具有一定的实际意义。
The propagation of soliton and interaction for the periodic distributed amplification line are discussed in detail , and the explicit soliton solution on continuous wave ( cw ) background is presented , and two exact analytic solutions that describe the modulation instability and the soliton propagation on a cw background are in detail discussed , and inelastic interaction for the vector solitons is also investigated 具体研究如下三个方面的内容：周期分布放大系统中孤子的传输特性和相互作用；在非零边界条件下孤子解的存在形式并解释非均匀光纤中光脉冲的调制不稳定性以及孤子在连续波背景中的传输特性；讨论多个光场同时在光纤中传输的耦合非均匀非线性薛定谔方程并详细研究孤子间的非弹性相互作用。
