linewidth control中文什么意思

例句与用法

1. then, on the basis of coupled wave equations, theoretically studies of opo threshold parameters and of the conversion efficiency and of linewidth control are presented . several principles of the optimum design for opo are discussed . the experimental investigations of noncritical phase matching
   以耦合波方程为基础,分析和计算了光学参量振荡器的转换效率、抽运阈值、谱线宽度等特性,并在此基础上讨论了如何选择opo的各项参数。
2. based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated; collinear type-i and type-ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type-i tuning curve are calculated in details; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed; the acceptance angle in parametric process is calculated; the numerical threshold of the bbo opo is calculated; the process of the saturation and depletion of the pump beam are analyzed; the relationship of the conversion efficiency and reflectance of output mirror are discussed; various linewidth controlling methods are discussed; the improvement of the beam quality applying the unstable cavity is discussed; and the crystal bbo design is considered
   在此基础上，给出了一整套bbo-opo激光参数设计方案：计算了不同泵浦强度下的参量放大倍数；详细计算了在nd:yag调q激光器各次谐波泵浦条件下的共线类和类相位匹配的调谐曲线，以及非共线类相位匹配调谐曲线；分析了走离角对非线性系数和群速匹配的影响；计算了参量过程的允许角；计算了bbo-opo的理论阈值条件；分析了饱和与泵浦光束的消耗过程；给出了转换效率与超过泵浦阈值的倍数的关系；讨论了转换效率与输出镜反射率的关系；讨论了线宽控制的各种方法；研究了利用非稳腔改善光束质量的方法；考虑了bbo晶体的设计。