The beam quality factor of arbitrary beam is discussed.
讨论了任意光束的质量因子。
Novel approach to improve laser beam quality and stability.
一种改善激光光束质量和稳定性的新途径。
Methods for evaluating laser beam quality at present are summarized.
综述目前评价激光光束质量的几种方法。
Optical Beam Quality Factor of Nonparaxial Light Beams. I. Definition.
非傍轴光束的光束质量因子.I。定义。
Some results of static and dynamic measurement of the beam quality are given.
同时也给出了光束质量的静态和动态的测量结果。
Based on minimum spot condition, a method for laser beam quality measurement is proposed.
基于最小束斑条件，提出一种光束质量的测试方法。
Then we carry on the study and development on laser welding equipment with high beam quality.
因此我们进行了高功率、高光束质量的激光焊接设备的开发和研究。
Aim To investigate the synchronization measurement method of evaluating pulsed laser beam quality.
目的研究评价脉冲激光光束质量的同步测量方法。
With good beam quality, the stability of output laser power, it is easy to adjust the marking effect.
光束质量好，输出激光稳定性高，打标效果较易调试。
It must be pointed out that space coherence of beam is highly important for light beam quality evaluation.
此外还指出光束的空间相干性在光束空间质量评价中也应重视。
The calculated results show that its effects on the average laser output power and beam quality are noticeable.
计算结果表明，这种热效应对激光输出平均功率与光束特性有不可忽视的影响。
Then, some practical requirements for the laser beam quality and related characteristic parameters are studied.
然后，研究了实际应用对激光光束质量的一些要求和相关的评价参数。
The results show that the hybrid resonator is suitable for slab laser to obtain a good beam quality output laser.
实验结果表明，在复合板条激光器中可以采用混合谐振腔获得较好光束质量的激光输出。
A solid state laser operated at lower-order mixed mode possesses both advantages of high output power and good beam quality.
当固体激光器运转在低阶混合模时，既可得到较高的功率输出，又可保证较好的光束质量。
The conversion efficiency and the beam quality are two main contents in research of harmonic generation of ultra-short laser.
在超短脉冲激光倍频技术研究中，倍频转换效率和倍频光的光束质量这两个问题一直是研究的核心内容。
Optimization of the magnetic focusing system can decrease the radial magnetic induction and improve the electron beam quality.
通过对磁聚焦系统进行优化设计，外层电子注轨迹得到明显改善。
One way to improve beam quality is that the frequency having high nonlinear gain should be filtered by spatial filter pinhole.
改善的方法之一就是利用空间滤波器小孔将非线性增长很快的部分滤掉。
Based on the analysis of the far field intensity distribution, the beam quality of unstable resonators has been studied in detail.
在对远场光强分布分析的基础上，对非稳腔的光束质量作了详细研究。
A practical high-power CO2 laser welding and cutting equipment with high beam quality was introduced, the optical system was analyzed.
介绍了一种实用型高功率、高光束质量CO2激光焊接、切割机，分析其光学系统。
This paper concerns the thermal lensing effect that occurs as laser going through an optical window, and its influence on beam quality.
分析了高功率激光通过窗口时，引起的窗口热透镜效应及其对激光光束质量的影响。
In this paper, the beam quality and polarization degree of laser beam which propagated in large core multimode power fibers is studied.
研究了在大芯径、多模功率光纤中传输的激光束光束质量和偏振与光纤长度的关系。
Effect of thermal lensing is the main obstacle of getting high power and good beam quality in laser diode (LD)-pumped solid-state lasers.
在高功率激光二极管抽运固体激光器中，热效应已成为获得高输出功率和高光束质量的最大阻碍因素。
The beam quality factor of partially coherent ChG beams decreases with increasing spatially coherence and decreasing decentered parameter.
光束质量因子随空间相干性的增大和离心参数的减小而减小。
These integrated solutions deliver high quality light without pixilation, closely replicating the beam quality of traditional light sources.
这些集成解决方案能提供高质量的非点阵化照明，光束质量与传统光源相近。
Therefore, the beam quality can be improved and the oscillation light can be controlled by changing the proportion of the end-pumping power.
因此通过改变端面抽运功率的比例，提高光束质量，并实现对振荡光的控制。
How to improve the output energy and beam quality were two most noteworthy problems in the building of high power solid-state laser facility.
提高系统能量转换效率与输出光束质量一直是研制高功率固体激光系统极为关注的两类重要问题。
It is shown that the beam quality in the far field depends on the initial field distribution, and is degraded with increasing emissive power.
结果表明，远场光束质量与初始场的空间分布有关，且随发射功率增大而变差。
It would be of important significance to study the laser beam characterization, beam propagation, mode decomposition and beam quality control.
因此，研究部分相干光的传输特性、光束质量和模分解具有重要的理论意义及实用价值。
Laser beam characterization, beam propagation and beam quality control are the fundamental research subject in laser optics and laser technology.
激光束的描述、光束传输变换和光束质量控制一直是激光科学技术和激光光学中的重要理论研究工作。
On the basis of the popular moment analysis and the concept of laser beam quality factor, the method to analyze such effects is deduced statistically.
以激光束矩量分析理论及光束质量因子的概念为基础，运用数理统计手段，导出了分析随机误差对测量精度影响的具体方法。
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