1) beam width
光束宽度
2) narrow angular beamwidth
窄角光束宽度
3) beam expansion
光束展宽
1.
This paper introduces the models of turbulence spectrum as the laser signal propagates through the random atmospheric turbulence,analyses the scintillation effect and beam expansion effect under the condition of considering the inner-scale.
介绍了激光信号通过大气时的湍流谱模型,分析了考虑湍流内尺度条件下激光在大气中传输时的光强闪烁效应和光束展宽效应。
4) laser beam width
激光束宽
1.
Adaptive measuring algorithm of laser beam width based on CCD;
基于CCD的激光束宽自适应测量算法
2.
To obtain the precise localization of laser welding beam and mitigate the influence of CCD noise on measuring result of the workpieces that needs laser welding,an adaptive measuring method of laser beam width is presented to define the welding trajectory of the workpieces through varying the integral part and integral area.
为了获取CCD激光焊接的精确定位并减小CCD噪声对激光加工件测量的影响,通过改变积分项及其范围,提出一种激光束宽的自适应方法来确定被焊接工件的轨迹。
5) circular polarzation
宽波束宽度
6) limited-width-plaae-wave(LWPW) beams
有限宽度平面波光束
补充资料：光束
分子式：
CAS号：
性质：光线通过一定面积时的集合。分为同心光束和平行光束。前者由发光点所发射光线而构成；它与球面波相应。后者为发光点在无限远处发出的光束，它与平面波相应。
CAS号：
性质：光线通过一定面积时的集合。分为同心光束和平行光束。前者由发光点所发射光线而构成；它与球面波相应。后者为发光点在无限远处发出的光束，它与平面波相应。
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