The diameter of a thin wire was obtained by measuring the shadow in the Fresnel diffraction zone.

通过细丝后在其后菲涅耳衍射区留下阴影，测量阴影宽度可得细丝直径；

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This paper has briefly stated how Huygens-Fresnel Principle and Fresnel half - zone method are combined in the teaching of single-slit diffraction.

本文简要论述了在单缝衍射教学中怎样把惠更斯—菲涅耳原理与菲涅耳丰波带法联系起来。

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The diffracted light intensity on axis of a Spatial light Modulator (SLM) with Multi-level Phase Fresnel Zone Plate (MPFZP) is studied by diffraction optical method.

用衍射光学方法研究了加有多级相位菲涅尔波带片(MPFZP)的空间光调制器(SLM)的轴上衍射光强。

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