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.
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.
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.
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.
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.
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.
激光雷达系统的作用距离由下列因素决定：脉冲能量、脉冲宽度、光束发散角、大气衰减、目标反射率和接收机灵敏度等。
The operating distance of a laser radar system is determined on pulse energy, pulse width, beam divergence angular, atmosphere attenuation, target reflection, receiver sensitivity and so on.
根据激光束的强度分布信息，可得到激光束的其他空间参数，如激光器的振荡模式、光束发散角、光束功率、光斑半径等重要参数。
The distribution of laser beams' intensity leads to such important spatial parameters as oscillation modes of laser device, divergence Angle of laser beams, the power of laser beams, laser radius etc.
报道了一种具有垂直集成无源波导的耦合波导结构量子阱激光器的理论设计，它可以使垂直结平面方向的远场光束发散角得到有效的降低。
In this paper, the theoretical design for the quantum well lasers with vertically integrated passive waveguides, which decreases the vertical beam divergence effectively, are reported.
报道了一种具有垂直集成无源波导的耦合波导结构量子阱激光器的理论设计，它可以使垂直结平面方向的远场光束发散角得到有效的降低。
In this paper, the theoretical design for the quantum well lasers with vertically integrated passive waveguides, which decreases the vertical beam divergence effectively, are reported.
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