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Research on beam waist for intracavity-frequency-doubling in four-mirror-folded cavity lasers;

四镜折叠腔激光器腔内倍频束腰研究

The effect of spherical aberration on the radius of image beam waist in the design of laser optical system is discussed in detail,and the expression is presented.

文章主要针对激光光学系统设计中存在的球差对高斯光束像方束腰半径的影响进行了详细的讨论,并给出了具体关系。

In this paper, the imaging regularity of the laser waist through an inverted microscope is analysed.

分析了用于形成光阱的激光束腰与显微镜耦合时的成像规律，根据镜面反射原理，提出了用玻片来观察激光束腰，判断光阱的位置，并测量阱位相对物平面的偏离量的方法；进一步运用高斯光束的透镜变换理论，通过改变入射激光的束腰位置，在实验上实现了光阱阱位的精细调节。

A knife-edge method is used here to measure the beam width of the highly repetitive high-power thin disk Yb:KYW femtosecondlaser (MABEL-Mannheim Biomedical Engineering Lab,Universtiy of Heidelberg,Germany).

通过刀口法测量了德国海德堡大学附属曼海姆生物医学工程实验室非CPA型高频率高功率飞秒脉冲Yb:KYW薄片激光器束腰尺寸。

It was shown that the ferroelectric hysteresis constriction appears when x≤0.

用X射线光电子能谱、X射线衍射分析手段研究了“束腰”现象,并用氧缺位内偏场理论分析该现象的微观机理。