...平场光谱仪取得的讯号,由于此时平场光谱仪的成像面距离等于 实验中打在靶材上的距离相等,所以图上所看到的光束大小(beam size)也就相等于高 阶谐波聚焦在Pt 上的光束大小,其半高宽为1.1 mm,波长为33.6 nm, 能量为36.9 eV。
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通过控制激光通过声光窗口的光束大小来约束声光开关的上升沿时间,以此判断对输出光脉冲的形状的影响。
The characteristics of Q-switched pulses with different rise time of AOM regulated by the laser beam size along the window of AOM are presented.
扩束镜是一种由两个或多个元件组成的光学系统,它能改变光束的大小和发散特性。
The beam expander is an optical system composed by two or more components. It can change the size and divergence characteristics of the beams.
啁啾系数的大小和符号对双曲正割脉冲光束空间强度的分布有不同的影响。
The sign of the chirp also affects the spatial intensity distribution of the ultrashort hyperbolic secant pulsed beams.
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