1) far field focusing characteristics
远场聚焦特性
1.
In order to improve high energy laser beam quality,with the combination of theory and experiment,the far field focusing characteristics of different serrate type apertures were studied and compared with those of circular apertures.
为了提高高能激光系统光束质量,采用理论和实验相结合方法,对圆孔光阑和齿形切趾光阑的远场聚焦特性进行了理论分析和实验验证,并与圆孔光阑的远场衍射作了比较。
2) far-field characteristics
远场特性
1.
By using a beam model with linear non-uniform field profile in the x direction,the effect of beam non-uniformity and nonlinear thermal blooming in the optical beam control system on the far-field characteristics of high-power laser beams is studied.
采用场振幅沿x方向呈线性变化的非均匀光束模型 ,研究了非均匀场分布和内光路非线性热效应对远场特性的影响。
2.
The far-field characteristics of laser out put must be understood during designing the optical element and optical coupling.
在设计光学系统的光学元件及进行光学耦合时需要了解激光器的远场特性。
3) focusing characteristic
聚焦特性
1.
In this paper,analysis the influence of the focusing characteristics for the quality of the laser welding,demonstrate the characteristics of twin-focus welding technique.
通过分析双焦点聚焦特性对激光焊接质量的影响,论证了双焦点激光焊接技术的特点。
2.
In laser welding, focusing characteristics of laser beam are the key factors in determining the quality of the welding seam.
激光焊接中,激光聚焦特性的好坏是影响焊接质量的关键因素。
4) focusing property
聚焦特性
1.
Focusing property of flat-topped multi-Gaussian laser beam by lens with spherical aberration;
平顶多高斯光束通过球差透镜的聚焦特性
2.
Focusing property of partially coherent flattened Gaussian beam by lens with spherical aberration;
部分相干平顶高斯光束通过球差透镜的聚焦特性
3.
The influence of the Kerr effect on the focusing property of the super-Gaussian beam;
Kerr效应对超高斯光束聚焦特性的影响
5) focusing characteristics
聚焦特性
1.
The focusing characteristics of long distance flying optics were studied systemically for TEMmn, Gaussian beams.
研究了长距离飞行光学(flying optics)高斯光束聚焦特性,理论研究表明:将某一特定谐振腔的瑞利长度ZR取代q参量虚部的光斑尺寸w时,q参量的ABCD定律可以从基模推广到高阶模或几个模的叠加,并推导出飞行光学实际焦距与几何焦距之差△f的计算公式。
2.
An adaptive beam expander to control the focusing characteristics of flying optics, was proposed and its operating principle and adjusting characteristics were analyzed.
提出了一种应用自适应扩束系统解决“飞行光束”聚焦特性的方法 ,分析了系统的工作原理及调节特性。
6) Focusing properties
聚焦特性
1.
The focusing properties of flat-topped light bemas have been analyzed in detail.
以透镜系统为例,给出了柱坐标系下平顶光束聚焦场分布的解析表达式,并对平顶光束的聚焦特性进行了详细分析。
2.
The focusing properties of flat-topped light beams have been analyzed in detail.
以透镜系统为例 ,给出了平顶光束聚焦场分布的解析表达式 ,对平顶光束的聚焦特性进行了详细分
3.
By using generalized Huygens Fresnel diffraction integral,the focusing properties of SGSM beams have been analyzed.
利用广义惠更斯 -菲涅尔衍射积分 ,对其聚焦特性进行了分析 ,并对其焦面上的功率 (能量 )集中度进行了讨
补充资料：远场
见声场。
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