| 1. | We firstly summarize the development of yb - doped fiber lasers , pumping methods and the applications of high - power fiber lasers . 2 . considering the scattering loss , we deduce the relationships between laser performances of yb - doped double - clad fiber laser and parameters of laser cavity from the steady state rate equations , numerically analysis the changes of laser performances , such as laser power with the parameters of laser cavity , including output mirror reflectivity , optimum length of double clad fiber
研究主要内容包括如下几个方面:一、首先对掺镱光纤及掺镱光纤激光器的发展状况、包层泵浦技术和高功率光纤激光器的应用等进行了综述;二、在前人对高功率双包层光纤激光器的理论基础上,在考虑了光纤散射损耗因子的情况对光纤激光器理论进行了推导,给出了准解析解,进一步完善了理论分析。 |
