thermal lens effect

Thermal lens effect in end-and-side pumped DPL

端侧面组合抽运DPL热透镜效应研究

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The Influences of Laser Beam Mode and Thermal Lens Effect on Laser Welding of Tin-plate

薄板激光焊接质量影响因素研究

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There are several ways to eliminate the thermal lens effect, such as cooling, filtering, the concave end and so on, but the effect is not prominent in high power period.

消除热透镜效应的一般方法有冷却，滤光，端面修凹面等光学补偿，在高功率段效果并不显著。

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The contrastive facular pictures show that the thermal lens effect of heat capacity operation is negative lens effect not same as convex effect of general water-cooling operation.

通过对比分析光斑变化趋势，热容方式运行的钕玻璃激光器的热透镜效应是负透镜效应，明显有别于常规方式运行的正透镜效应。

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Nondestructive detection of deep defects in solid sheet using thermal lens effect induced by laser beam

利用激光引发的热透镜效应无损检测固体薄片中的深度缺陷

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Three-Dimensional Temperature Distribution Analysis and Thermal Lens Effect Calculation for High Power Laser Windows

高功率激光器窗口三维温度场分析及其热透镜研究

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In high-power diode-pumped lasers, the absorption saturation, the temperature distribution and the thermal lens effect of the high-power diode-pumped laser medium, are also introduced. 2.

介绍了在高功率激光器中，增益介质的饱和吸收效应，温度场分布与热透镜效应。

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But beam quality of slow axis is easily affected by space burned hole, self-focusing and thermal lens effect, which lead to big slow axis divergent angle under high output power.

然而由于其慢轴方向输出光束质量极易受到空间烧孔、自聚焦、热透镜等效应的影响，致使其在高功率工作条件下，输出的慢轴方向发散角较大。

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The laser work media flows fast, and it has no the thermal lens effect and damage threshold.

激光波长处于大气传输窗口，对大气变化不敏感；工作物质快速流动，不存在热透镜效应和破坏阈值；

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Analysis for optimized design and thermal lens effect of LD-pumped solid-state laser

LD泵浦固体激光器热透镜效应及优化设计的分析

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A theoretical model of laser induced thermal lens effect

激光诱导热透镜效应的一个理论模型

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Laser techniques is surging with LD-pumped solid-state laser. But, the stability, model and beam quality of the laser are strongly affected by the thermal lens effect at high power.

LD泵浦固体激光器出现使激光器得到飞速发展，但是其在大功率运行时所表现出的强烈的热透镜效应，严重影响了激光器的稳定性和输出光的模式、光束质量。

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Generally speaking, thermal lens effect is determined by three elements: 1. The temperature dependence of refractive index. The change of temperature can directly change the refractive index distribution.

一般来说，热透镜效应主要由以下因素决定：1.介质折射率对温度的依赖性，温度分布的改变直接导致介质折射率的变化。

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The Influence of Different Surface Conditions of Solid Laser Lods on the Thermal Lens Effect

固体激光棒的表面处理对热透镜效应的影响

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According to the ABCD matrix of Gaussian beam's propagation, a Z-type cavity insensitive to thermal lens effect is designed.

根据高斯光束传输的ABCD矩阵，设计了对热效应不灵敏的Z型谐振腔。

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Specially, the thermal lens effect is intensified due to the long tail attached to pulse, which leads to decreasing of conversion efficiency if pulse repetition rate is enhanced.

特别由于脉冲附带长的拖尾加剧了热透镜效应，使得脉冲重复频率的增加引起转换效率的降低。

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The Measurement of Optical Absorption by Laser Induced Thermal Lens Effect

利用激光诱导的热透镜效应测量弱吸收

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The influence of laser output from the thermal lens effect of Nd: YAG laser

Nd：YAG激光器的热透镜效应及其对激光输出的影响

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Experimental Study of the Thermal Lens Effect of Nd ∶ glass Laser in Heat Capacity Operation

钕玻璃激光器热容方式运行的热负透镜效应实验研究

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In this paper, the influences of laser beam mode and thermal lens effect on the joints quality and the process of laser welding tin& plate was studied.

研究了薄板深熔焊（小孔效应焊）时，激光器输出模式及聚焦透镜的热效应对焊接工艺和质量的影响。

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The Thermal Lens Effect's Influence on the Output Characteristics of Fast Axial Flow CO_2 Lasers

快速轴流CO2激光器输出窗热透镜效应对输出特性的影响

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Thermal lens effect in tube lasing mediums

管状激光介质的热透镜效应

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In the theory I analyzed quasi-three-level transition rate equation of Nd3+, energy-transfer upconversion effect and thermal lens effect, additionally the performances of single devices were studied.

理论上分析了Nd：YAG准三能级速率方程、能量传递上转换（ETU）效应、热透镜效应并对单元器件的性能进行了分析。

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Relation between thermal lens effect and rod-axis orientations in Nd: YAG

Nd：YAG中热透镜效应与棒轴取向的关系

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Correction of unstable resonator parameters on thermal lens effect and experiment research

具有热透镜效应非稳腔参数修正与实验研究

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Secondly, based on the technology of laser resonant cavity, the V resonant cavity was designed for this paper And the thermal lens effect was simulated in computer.

其次从激光的光学谐振腔技术出发，设计了较为理想的V型谐振腔，并利用计算机模拟了激光器的热透镜效应。

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But even Yb: YAG crystals will still generate heat when it is working; and the revolutionary design of thin-disk laser aslo brings some new features in the thermal lens effect.

但即使是Yb：YAG晶体在其工作时也仍会产生热；而碟片激光器革命性的设计也给其热透镜效应带来了新的特点。

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The influences of the thermal lens effect on the slope efficiency are also discussed.

并讨论了高功率激光器中热透镜效应对斜效率的影响过程。

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Thermal lens effect is still the problem for the development of Yb: YAG thin-disk laser.

热透镜效应仍是Yb：YAG碟片激光器发展道路上无法回避的问题。

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Laser thermal lens effect for determination of Trace Thallium

激光热透镜效应测定痕量铊

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