The relation between the generation of attosecond pulse and the laser oscillation and how the absolute phase affects this relation are discussed.
讨论了绝对相位对阿秒脉冲的产生和激光振荡的关系的影响 ,发现高次谐波的产生过程非常稳定 ,阿秒脉冲和驱动它的激光振荡之间的稳定的相位关系并不会受绝对相位的随机性的破坏 ,从而为采用交叉相关技术直接测量由强场原子高次谐波过程产生的阿秒脉冲宽度提供了理论依据 ,正确解释了文献 [13]上报道的实验结果。
The laser oscillation of the emission at 486 nm was observed with a flat-concave stable resonator.
采用平凹稳定谐振腔观察到了４８６ｎｍ的兰色激光振荡，最大激光输出功率为１３０μＷ，发散角为２８ｍｒａｄ。
In this paper, the stability condition of optical resonator is introduced, the power losses of stable resonator and the threshold condition of optical oscillation is discussed, and the formulation of the relationship between the gain coefficient of work substance and the losses factor is derived.
本文对光学谐振腔的稳定条件做了介绍,并讨论稳定谐振腔的功率损耗和光振荡的阈值条件,导出了工作物质的增益系数与损耗因子的关系式。