衍射
自由空间
光学
梁(结构)
波长
物理
空格(标点符号)
计算机科学
操作系统
作者
J. Durnin,Joseph J. Miceli,J. H. Eberly
标识
DOI:10.1103/physrevlett.58.1499
摘要
It was recently predicted that nondiffracting beams, with beam spots as small as a few wavelengths, can exist and propagate in free space. We report the first experimental investigation of these beams.
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