最大容许的发散角由激光振荡条件决定。
The maximum allowable divergent Angle is determined by the laser oscillation conditions.
采用单透镜准直系统进行发散角的压缩。
A single collimating lens has been designed to reduce the Angle of divergence.
发散透镜只增加水平发散角而不增加垂直发散角。
The divergent lens only enlarges the Angle of horizontal divergence and not the Angle of vertical divergence.
还有不同的色温以及发散角规格，可供客户选择。
This series lamps and lanterns and different colour temperature and divergence Angle specifications, available for client's choice.
还讨论了泵浦束的发散角对二次谐波转换效率的影响。
We have also discussed the effect of the beam divergence on the second harmonic conversion efficiency.
衍射理论的另一个重要应用就是研究准直光束的远场发散角。
Another important application of diffraction theory is the study of the far field divergence Angle of a collimated light beam.
研讨激光测距仪的信噪比和激光发散角如何选取最佳值的问题。
The problem how to select optimum of signal-to-noise ratio and laser beam divergence for laser range-finder is studied.
结果表明，泵浦光的发散角和偏轴方向对信号光线宽的影响较大。
The results point out that the linewidth is influenced by the divergence Angle and off-axis of pumping larger than that other factors do.
论文也分析了影响最佳光束发散角的因素，提出改善发散角的技术。
The paper analyses some factors which influence optimized optical beam disperse Angle and put forward technology to improve the optical beam disperses Angle.
针对透镜导管出射光线发散角较大的问题，对其结构进行了优化设计。
Aiming at the question that radiation Angle of emergent rays is quite large, we optimized the structure of lens duct.
给出了激光模式之间的耦合以及等效光束发散角与镜面变形量之间的关系。
The coupling among laser modes and the relations between equivalent beam spread Angle and the surface deformation of the mirrors are obtained.
本文对高阶横模光束发散角进行了讨论，并提出发散角的一种新的定义方法。
In this paper, divergence of higher-order laser beams is discussed and a new definition of divergence is suggested.
实验表明，经该方法准直后的光束发散角（会聚角）可达0.00007 度。
Experiments have verified that the divergence angle of the light after collimation is up to 0.000070.
束宽和远场发散角的相对误差随球差系数绝对值的增加和光束阶数的减小而增加；
The relative errors of the beam width and far-field divergence angle introduced by the spherical aberration increase with increasing spherical aberration coefficient and decreasing beam order.
配上不同的颜色玻璃和不同的发散透镜，可获得各种颜色、各种发散角的扇形光束。
Sector beams in different colors and with different angles of divergence are available when equipped with different color and divergent lenses.
减小聚焦极孔径对大发散角的电子有影响，但对聚焦作用的影响不如改变电位明显。
Reduction of the focus hole diameter strongly affects the electrons with large emission angle but its influence on electron focusing is less markedly than the influence of the variations in potential.
利用耦合波方程分析了相位共轭效应和受激散射阈值效应对受激散射光发散角的影响。
The influence of the phase conjugation effect and the threshold effect of stimulated scattering on the divergence of stimulated scattering was discussed.
根据捕获跟踪策略和激光检测理论，给出了直接探测情况下最佳光束发散角的表示式。
According to acquisition and tracking strategy and laser detection theory, an expression of the best Angle of beam divergence under direct detection is provided.
结果表明，随着OPO腔长的增加，单脉冲输出能量、光束发散角减少，而脉冲宽度增加。
The result indicates that the single pulse energy and the Angle of divergence of output laser decrease, but the pulse width of output laser increases with the increase of the OPO cavity length.
在获得激光增益的条件下，讨论了入射电子束的最大许可发散角与其它物理参数之间的关系。
In conditions that the laser gains can be obtained, the relations between the maximal allowable divergence Angle of incident electron beam and other physical parameters are discussed.
通过CCD成像方法对准直后的光束发散角进行了测量，利用二阶矩算法计算出光束发散角。
The divergence Angle of light beam was measured with the method of CCD imaging and computed by second moment method.
由于光泵浦热效应，高功率固体激光器的输出参数如光束远场发散角、输出功率等会发生变化。
The output parameters such as beam divergence angle in far-field output power of high power solid state lasers are variable due to thermal effect of optical pumping.
系统发射的探测光束发散角较大时，信噪比较差，且光束扫过点目标可能出现条纹状信号过程。
For large probe beam divergence the SNR is relatively poor, and even a streaky signal process is predicted if a point target is scanned across.
对多横模全固态激光器使用正交频率变换进行了分析，计算了频率转换效率与激光发散角的关系。
The effect of multi transversal mode on quadrature frequency conversion in a solid-state laser was analyzed, and the relation between the conversion efficiency and the divergent angle was conducted.
简述了激光光束的基本参数及特性，并介绍了采用CCD进行激光发散角测量的基本原理和装置。
This paper demonstrated the basic parameters and characteristics of laser beam, and introduced the basic principles and the devices used in the CCD laser divergence Angle measurement method.
本发明方法只在光路中的一个位置测量即可，因此本发明方法可方便地实现光束发散角的实时测量。
This method in the invention is only measuring in the one position of the optical path; therefore the method can facilitate to realize the real-time measurement of the beam divergence Angle.
研究了激光光斑半径、发散角的几个基本参量以及测量方法，对高斯光束的发散角测量进行重点讨论。
The study is made on the laser spot radius, several basic parameters and measurement methods. The essential discussion is focused on the divergence angles of Gaussian beams.
根据透镜对高斯激光束束宽的变换原理，提出了一种由变换前后发散角的变化确定透镜焦距的新方法。
A new method of measuring the lens focus is presented, which is based onthe principle of transformation of the Gauss laser beam.
激光与其它光相比，具有功率高、发散角小、单色性好，输出的光脉冲窄和输出光谱可连续调谐的特点。
Laser compared to other lights has the characteristics of higher power, less divergence Angle, better monochromaticity, shorter light pulse and continuously tunable spectrum output.
围绕光纤耦合效率相关的量：激光模式、发散角、数值孔径、焦斑直径、精密光纤耦合器等问题进行了讨论；
The quantity in relation to the coupling efficiency of an optical fiber:lasing mode, divergence angle, numerical aperture, focal diameter and precision optical fiber coupler are discussed.
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