1) divergence half-angle
发散半角
2) angular radius of far field divergence
远场发散角角半径
3) far field divergence half angle
远场发散角半宽度
1.
Based on the condition of paraxial approximation, the simple relational expression among the beam parameters, such as the mode field half width, far field divergence half angle and beam propagation factor M2, in the diffracted field of dielectric planar waveguide TE 0 mode is presented.
对于傍轴光束 ,提出了介质平面波导衍射场的近场模场半宽度、远场发散角半宽度和光束传输因子M2 等光束参量之间满足简单的关系式 ,三个光束参量均可直接由波导模式场分布精确计算 ,或由可实际精确测量的远场衍射频谱分布精确计算。
4) half-angle of spread
半扩散角
5) Divergence
[英][dai'və:dʒəns] [美][daɪ'vɝdʒəns]
发散角
1.
The analyzed results of collimating antenna shows that the LD divergence of the typical parameters of divergences of 10°×40° and luminous surface sizes of 100μm×1μm can be compressed to smaller than 1 mrad.
分析计算表明,采用扩束透镜与棱镜对准直可以将输入参数为发散角10°×40°,发光面100μm×1μm的典型半导体激光束,变换为发散角在1mrad以内的准直光束。
2.
In this paper, a method of time - resolved divergence measurement using an aperture is reported.
结果表明：在激光脉冲的形成过程中，输出光方向性越来越好，相应发散角由～１。
3.
In order to obtain output laser of near diffraction limit divergence, output properties of a modified confocal and a plane-concave self-filtering unstable resonator have been investigsted.
为获得接近衍射极限发散角的铜激光，设计了共焦及平凹二种自滤波非稳腔并研究了它们的输出特性，分别获得了发散角为２。
6) divergence angle
发散角
1.
Research on the divergence angles of output beam multi-rod connection solid-state laser;
多棒串接固体激光器输出光束发散角的研究
2.
Far-field divergence angle of nonparaxial rotationally symmetric Laguerre-Gaussian beams;
非傍轴旋转对称拉盖尔-高斯光束的远场发散角
3.
Study on High-power Laser Diode s Divergence Angle Testing System;
高能半导体激光器发散角测试系统研究
补充资料：发散
①（光线等）由某一点向四周散开：～透镜。②中医指用发汗的药物把体内的热散出去，以治疗疾病。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条