展宽器 meaning in Chinese
stretcher
Examples
- In succession , the theory of chirped - pulse amplifier system is given in detail , firstly , studying from designing experimental light road and optical components to theoretical analysis , we par ' tly finished the system by ourselves . about ultr a - shoft pulse with a pulse - width of 9 . 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source , secondiy , the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function , and the effect of relativ e parameters to the streching ratio is also simulated . thirdly , a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification , under modulating the two effects are both controlled on some e xtent , fourthiy , the effect of ase that is often ignored by people is analyzed and the resolving methods are also given
从光路、光学元件的自行设计到理论分析计算，初步建立了一台实验系统；采用abcd矩阵法结合collins公式计算了四通式单光栅展宽器的展宽量，并模拟了相关参数对展宽比的影响，对实验具有指导意义；评价了再生放大器和多通放大器的优缺点，对放大过程中通常忽略的放大自发辐射现象（ ase ）进行了分析，并提出了相应的解决方法；针对放大过程中出现的增益窄化和增益饱和现象，对输入种子脉冲提出了一种新的分段频率调制函数，实现了对增益窄化效应和增益饱和效应的共同抑制；提出了系统的材料（包括放大介质和光路中的普通介质）正是融合高阶色散的来源。 - In this paper , the experimental part is the sum - up of theoretical and experimental studies on a 20tw ti : sappire femtoscecond high - intensity laser system while author worked in the research center of laser fusion of caep , which includes oscillator , regenerative amplifier , multi - pass amplifier , stretcher , compressor and synchronization system
本文实验研究是指作者在激光聚变中心参与的20tw全钛宝石飞秒超短脉冲激光装置的工程建设工作的理论与实验研究总结，对此系统的振荡器、再生放大器、多程放大器、展宽器与压缩器及同步系统进行了较为系统的分析。