The diameter of a thin wire was obtained by measuring the shadow in the Fresnel diffractionzone.
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;
2
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。
3
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.