This paper puts forward a conception of a non-diffraction structured light (NDSL), which has characteristics such as linear structure, long focal-depth and narrow line-width, etc.
提出了一种无衍射结构光概念，这种光具有线性结构、焦深长、线宽小等特点。
Our results are expected to provide a new approach to experiments on realizing ultra-narrow line-width radiations as well as optical clocks.
该论文的研究结果有望为实验上实现超窄线宽光源以及光学原子钟提供一种全新方案。
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