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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
The temperature field and warming process of the transient and steady state in the laser rod by symmetrical trigonal side-pumping were simulated using the finite element analysis method.
用有限元法计算模拟了三角均匀分布侧面泵浦结构激光棒瞬态温升过程及稳态温度分布情况。
Hard material, imported quality, up to the international standard test Hitachi capacitor, American laser rod, Japan imported fiber, Japan gold-plated cavity, the German power two level tube.
用心选材，进口品质，达国际标准测试日本日立电容、美国激光棒、日本原装进口光纤、日本镀金腔体、德国功率二级管。
The ray tracing and Monte Carlo method are applied to calculate the distribution of deposited pumping energy within a rod amplifier of the high power solid state laser system.
建立了用蒙特卡罗和光线跟踪法计算高功率固体激光系统棒状放大器能量沉积分布的模拟程序。
Influence of position of output mirror on beam of two rod solid state laser has been analysed by means of matrix optics and experiment.
采用矩阵光学理论和实验相结合的方法，分析了输出镜对双棒串接固体激光器输出光束的影响。
The influence of dynamic thermal effect induced by optical pumping of YAG crystal rod in a pulsed solid laser on the wave front of the output laser beam is studied in this paper.
本文研究了脉冲固体激光器的YAG激光棒光泵浦动态热效应对激光波面的影响。
Solid-state tube laser (SSTL) is one of available laser with high power output, for its high slop efficiency and electro-optical efficiency compared to the solid-state rod laser.
管状固体激光器可获得较高的斜效率及电光转换效率，因此是人们寻求可获得高输出功率的有效器件之一。
A demonstration for operation of polished rod laser is given. The output energy is higher and the thermal stability is better than that of roughened rod laser.
演示了抛光棒形固体激光器的运转；其输出能量比毛棒大，热稳定性比毛棒好。
After analyzing all the factors which determine gain of a laser diode array (LDA) pumped Nd glass rod amplifier, the optimum parameters are presented.
对影响激光二极管阵列(LDA)抽运钕玻璃棒状放大器增益的各因素进行分析，确立了放大器的优化参量。
An automatic machine for integrating the functions of weighing, grouping and marking by laser of connecting rod is introduced.
介绍了一种集连杆称重、分组和激光刻标各功能于一体的自动机床。
The laser transmitter is arranged in a mode that the laser line strips emitted by the laser transmitter are horizontal or vertical when the support rod lies in a vertical state.
激光发射器被设置成当支持杆处于竖直状态时其所发射的激光线条水平或垂直。
Single beam Laser speckle interferometry has been used to measure the deformation of internal combustion engine connecting rod in this paper.
本文用单光束激光散斑干涉法测量了内燃机连杆的变形。
Dynamic variation of thermal distortions and depolarization losses of heat capacity laser is also analyzed. The simulation results are compared with those of continued water-cooled rod laser.
计算了热容激光器的热畸变和退偏损耗随时间的动态变化规律，并与采用连续水冷却方式工作的圆棒激光器的热畸变特性做了比较。
As the laser tube can be cooled both on the inner - and outer - surfaces of the tube, the thermal effect in SSTL is smaller than that in a rod laser with the same geometry size.
与同样尺寸的棒状激光器相比，由于它可以通过管内外壁冷却激活介质，因此其热效应较小。
Conclusions Compared to no-ROP preterm infant retina, laser-treated ROP retina has normal cone function development and delayed rod function development.
结论ROP患儿激光光凝治疗后，视网膜视锥细胞功能发育与正常早产儿无差异，视杆细胞功能发育落后于正常早产儿。
They plopped this rod into a beaker of water and hit it with a laser beam from below.
他们让这个翼状杆落入盛有水的烧杯中，并用激光束从底部击中它。
They plopped this rod into a beaker of water and hit it with a laser beam from below.
他们让这个翼状杆落入盛有水的烧杯中，并用激光束从底部击中它。
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