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1·We consider that is caused by the inhomogeneity of the laser rod.

我们考虑这是由于激光棒的不均匀性引起的。

2·A three-dimensional model for transient thermal profile in a finite laser rod is presented.

本文建立了有限几何尺寸棒状激光介质瞬态热分布的三维模型。

3·Then, thermal lens formula has been gotten by analyzing the thermal lens effect of laser rod.

对激光晶体的热透镜效应进行了分析并得到了热透镜焦距公式。

4·The graph in the cross-section of the laser rod is drawn according to distributions of each ray.

从光强的分布图可以看出，激光棒内光强的分布均匀。

5·The authors have reported two methods for measuring the efficient focal distance of the laser rod lenses.

提出几种计算和测量激光棒负透镜等效焦距的方法。

6·For a certain resonator, it is necessary to find out the optimum position of the laser rod to achieve maximum output power.

对于给定的腔型，为获得最大的稳定激光输出，必须选择最佳的激光棒位置。

7·Based on that the laser rod is equivalent to gradient index rod (GRIN), a new thermal lens focal length expression was achieved.

把激光棒等效为梯度折射率棒，得到了新的热透镜焦距公式。

8·The pump power distribution in the single diode directly pumped laser rod with different pumped parameters is simulated using the method of ray trace.

采用光线追迹法模拟计算出单个二极管在不同抽运参数下直接抽运激光棒时，激光棒所吸收的抽运光功率的分布。

9·Power supply system provides flash energy to Xe lamp. Pumping of Er:YAG laser rod is provided by Xe lamp. Pulse solid laser power directly affects the attribute of laser.

脉冲铒YAG固体激光电源为氙灯提供能量，氙灯是激光的泵浦源，它燃烧发光激发工作物质铒YAG产生激光，因此激光电源的性能直接影响到激光光束的质量。

10·Allowances are made for the effects of multiple reflections on the reflector and laser rod, Xe flashlamp emission spectrum and absorption spectrum of nd doped laser glass.

在本文的模型中正确考虑了光线在反射器和激光棒上的多次反射，氙灯的辐射光谱以及钕玻璃的吸收光谱。