对光学成像产生影响的主要成分是散光像差、彗差和三叶草像差。
Meanwhile, astigmatism aberration, coma aberration and trefoil aberration are three main effects that influence the quality of the optics.
结果：总高阶相差、水平彗差、垂直彗差和球差均随瞳孔直径的增大而增大；
Results: Total higher order aberrations, spherical aberration, horizontal primary coma, and vertical primary coma, were increased significantly with increasing pupil size.
结果表明，与基于硅片曝光的彗差测量方法相比，基于空间像的彗差测量技术速度上的优势十分明显。
Compared with the resist-based coma measurement techniques, the technique based on the aerial image possess the advantage of time-saving.
对欲行个体化角膜切削的近视及近视散光患者，保留较小的垂直彗差而完全矫正球差可能有助于视觉质量的提高。
Maintaining smaller vertical primary coma and correcting spherical aberration completely for myopia and myopic astigmatism may be the best choice for customized cornea laser ablation surgery.
在高数值孔径、低工艺因子的光刻技术中，投影物镜彗差对光刻质量的影响变得越来越突出，因而需要一种快速、高精度的彗差原位测量技术。
In high numerical aperture and low technic factor lithography process, degradation of the image quality because of the coma aberration in the projection lens has become a serious problem.
在高数值孔径、低工艺因子的光刻技术中，投影物镜彗差对光刻质量的影响变得越来越突出，因而需要一种快速、高精度的彗差原位测量技术。
In high numerical aperture and low technic factor lithography process, degradation of the image quality because of the coma aberration in the projection lens has become a serious problem.
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