Another important application of diffraction theory is the study of the far field divergence angle of a collimated light beam.
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。
The influence of the one-stage single-lens optical system on the divergence angle of Gaussian laser beam is analyzed theoretically.
在理论上分析了单级单透镜光学系统对激光高斯光束发散角的影响。
In contrast to the common ridge waveguide laser, tapered devices give rather small horizontal beam divergence.
与普通的脊形量子级联激光器相比，锥形量子级联激光器的水平远场发散角更小。
Using a collimator tube, the tested minimum light speckle on the focus plane is 50 μm in diameter. The acceptable error signals are engendered when a slender laser beam of 0.12 mrad angular divergence is directed on the diffuse target edge.
激光束模式较好时，系统接收到了7.8 km处房屋的后向散射信号，经扫频窄带滤波后，信号具有较高的信噪比，此时激光器输出功率约为5 W。
The divergence angle of light beam was measured with the method of CCD imaging and computed by second moment method.
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 experimental results of energy threshold, output energy and beam divergence of the first Stokes are present.
文中给出了一阶斯托克斯光泵浦阈值、输出能量和光束质量的实验数据。
The vertical beam divergence angle is 28° and horizontal angle is 10°.
器件的垂直发散角为28°，水平发散角为10°。
Far-field Divergence Angle Measurement of Gaussian Beam Based on Wedge Plate Shearing Interference
基于楔板剪切干涉的高斯光束远场发散角测量斑纹切位变干涉测定
In this article we discuss the relation between the laser beam divergence and the amplification factor in unstable cavities and the principles for the design of unstable resonators are given.
本文研究了非稳腔激光束发散度与腔的放大倍数的关系，并提出了非稳腔设计的原则。
The effect of divergence of the incident electron beam on the gain of FEL is analysed.
分析了入射电子束的发散性对自由电子激光器增益的影响。
According to acquisition and tracking strategy and laser detection theory, an expression of the best angle of beam divergence under direct detection is provided.
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。
And the divergence angle of pumping beam and the off axis pumping influenced t.
且泵浦光的发散角和在偏轴方向的泵浦光对参量光线宽的影响较大。
The divergence angle of laser beam is a very important parameter in laser-quality evaluation system.
评价和判别激光光束质量的重要参数之一即是激光束散角，其精确测量在激光光束质量的评价体系中的重要作用不言而喻。
A simple method of measuring the divergence angle of laser beam is presented, which is based on the principle of transverse shearing interference. The results of both theoretical analysis and experiment measurement show that the method has the advantages of simplicity, reliability and wide use fields.
基于横向剪切干涉原理，提出了一种测量激光发散角的简便方法，理论分析和实验测量结果表明，该方法具有测量简便、结果可靠和适用性强等特点。
Simple Method of Measuring the Divergence Angle of Laser Beam
激光束发散角精确测量的简便方法
Real-time Data Processing Software Development in Measuring the Divergence Angle of Gaussian Beam Based on Delphi
基于Delphi的高斯光束发散角测量数据实时处理软件开发
Besides, the output beam of a laser based on a CCR has the advantages of the small far-field angle of divergence and good beam quality, which attracts people more and more scientific attention.
除此之外，其激光输出具有远场发散角小、光束质量好等优点，因此受到了人们越来越广泛的关注。
Experimental results show that the design of the laser beam divergence angle measurement system is able to more accurately measure a small point of divergence angle values of laser beams, which achieved the design objectives.
实验结果表明，所设计的激光束散角测量系统能够较为精确地测量出微小角度的高能脉冲激光束散角值，达到了较高的精度，完成了设计目标。
The received power and signal-to-noise ratio (SNR) of Laser Range Finder (LRF) detector as a function of the target distance and divergence of the beam are simulated, and the effect of different target shape on LRF's ranging performances is discussed.
通过数值计算，研究了目标距离、束散角与探测器接收功率及信噪比的函数关系，讨论了不同目标形状对激光测距性能的影响。
As for the capillary focusing device, the authors has designed and performed measurement, then give the theory interpretation. The author proposed multi-point beam wide fitting method for getting beam divergence.
对于毛细管式微聚焦装置，作者设计并进行了性能测量实验与理论解释，在实验中，提出多点光宽拟合得到发散度的方法。