The method can confirm the Gaussian distribution of optical intensity for the fundamental transverse mode of the He-Ne laser and determine the size of its light spot.

这种方法能够证实氦氖激光基横模的光强分布是高斯分布，能够确定光斑的大小。

youdao

There are two kinds of fundamental content structures of science course, and they are longitudinal mode and transverse mode.

科学课程的内容组织结构分为“纵制式”和“横制式”两种。

youdao