flat topped beam 平顶射束
on-axis flat-topped beam 轴上平顶光束
partially coherent flat-topped beam 部分平顶光束
Nonparaxial truncated flat-topped beam 非傍轴截断平顶光束
flat-topped multi-Gaussian beam 平顶多高斯光束
partially coherent flat-topped light beam 部分相干平顶光束
partially coherent flat-topped gaussian beam 部分相干平顶高斯光束
The spherical aberration results in an increase of the beam quality factor of flat-topped beams.
球差使平顶光束通过透镜后的光束质量因子增大；
In chapter 5, the propagation properties of partially coherent flat-topped beam are analyzed by tensor method.
第五章主要利用张量方法分析了部分相干平顶光束的一些传输特性。
A flat-topped beam can be achieved by a suitable choice of the transform order for the Cosine-Gaussian beams with the modulation parameter.
对给定调制参数的余弦-高斯光束，通过适当选取分数傅里叶变化阶数可以获得平顶的光强分布。
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