1) nondiffracting beams
非衍射光束
1.
On the Rytov approximation of light propagation in weak turbulent atmosphere and the fact that nondiffracting beams can be expanded in terms of plane waves,we present the propagation characterization of Mathieu-Gauss beams.
采用弱湍流大气光传输的Rytov近似和运用非衍射光束的平面波展开原理,研究并给出了弱湍流大气中Mathieu-Gauss束的场方程和平均光强解析表达式。
2) diffraction
[英][di'frækʃən] [美][dɪ'frækʃən]
光束衍射
1.
Research on the diffraction characteristics of phase modulated laser beams dispersed spectrally;
光谱色散后的相位调制光束衍射特性研究
4) diffraction beamline
衍射光束线
1.
The general design of a high-resolution diffraction beamline at a third generation X-ray synchrotron radiation source is presented.
介绍了第三代同步辐射高分辨率X射线衍射光束线的总体设计。
5) nondiffracting beam
无衍射光束
1.
Geometric optics analysis on self-reconstruction of the nondiffracting beam generated from an axicon
轴棱锥产生无衍射光束自再现特性的几何光学分析
2.
Some applied examples about the basic principle and properties of nondiffracting beams are discussed.
从叠加原理出发，给出了柱面波用平面波表示的一般公式和应用无衍射光束的基本原理及特性实例，并介绍了无衍射光束的几种典型产生方法。
6) non-diffraction beam
无衍射光束
1.
Using the Collins formula and Huygens-Fresnel diffraction integral theory,the on-axis beam intensity formula of a non-diffraction beam generated by an aperture plane wave impinging through an axicon was given.
利用柯林斯公式推广,在柱坐标下的广义惠更斯-菲涅尔衍射积分公式,推导出用锥形透镜产生的近似无衍射光束的纵向传输分布,且进一步得到轴上光强公式,并用几何光学分析法得到最大准直距离的公式。
补充资料：非想非非想处天
1.佛教语。即三界中无色界第四天。此天没有欲望与物质﹐仅有微妙的思想。
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