Finally we extend the Fresnel number to the region of complex number, and use it to investigate the diffraction problem of a truncated Gaussian beam.

最后，把菲涅耳数推广到复数域，并用于研究截断高斯光束的衍射问题。

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Finally we extend the Fresnel number to the region of complex number, and use it to investigate the diffraction problem of a truncated Gaussian beam.

最后，把菲涅耳数推广到复数域，并用于研究截断高斯光束的衍射问题。

youdao