在周期势阱中研究这个系统，发现相干光产生光学晶格能够使原子具有了金属中的自由离子的性质，尽管看起来截然不同。
Trapping these systems in periodic potential wells made by intersecting light beams yields optical lattices in which atoms behave as electrons in metals, albeit at a quite different scale.
目前，它们被封装进检测光信号的光学器件，以记录磁场的强度。
Recently, they were packaged with fiber optics for detecting the light signals that register magnetic field strength.
光学“频率梳”是一种精确测量光的颜色或频率的工具。
An optical "frequency comb" is a very precise tool for measuring different colors-or frequencies-of light.
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