• According to acquisition and tracking strategy and laser detection theory, an expression of the best Angle of beam divergence under direct detection is provided.

    根据捕获跟踪策略激光检测理论给出直接探测情况最佳光束发散表示式

    youdao

  • Another important application of diffraction theory is the study of the far field divergence Angle of a collimated light beam.

    衍射理论另一个重要应用就是研究直光束的发散

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  • After the focal plane, the focused hollow beam propagated according to a constant Angle of divergence, the DSS become larger, and the intensity become weaker.

    经过焦点后,聚焦中空光束一定角度发散,它的DSS变得越来越大强度变得越来越弱。

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  • 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.

    于光热效应功率固体激光器输出参数光束发散、输出功率等会发生变化

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  • 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.

    获得激光增益条件下讨论了入射电子束最大许可发散其它物理参数之间关系

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  • 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.

    宽和远场发散相对误差系数绝对值增加光束数的减小而增加;

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  • Theory analysis and computer simulation show that the precision and focus of star tracker, the divergence angle of down beam influence the probability of laser link setting up.

    理论分析计算机仿真都表明敏感器测量精度和焦距,下行信号角将影响激光链路成功建立概率

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  • 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.

    发明方法中的一个位置测量即可,因此本发明方法方便实现光束发散实时测量

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  • The divergence Angle of light beam was measured with the method of CCD imaging and computed by second moment method.

    通过CCD成像方法对准直后光束发散进行测量,利用二阶矩算法计算出光束发散角。

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  • 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.

    简述激光光束基本参数特性介绍了采用CCD进行激光发散测量的基本原理装置

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  • The patterns show that divergence of the emerging beam increases with the dihedral angle offset up to completely separate to six beams;

    通过衍射图可以看出出光束发散程度随着角度误差增加而增加,直至完全分离成六束光束。

    youdao

  • The patterns show that divergence of the emerging beam increases with the dihedral angle offset up to completely separate to six beams;

    通过衍射图可以看出出光束发散程度随着角度误差增加而增加,直至完全分离成六束光束。

    youdao

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