金属光学（metal, optics of）是研究金属的光学性质及其与金属物质结构关系的学科。金属最显著的光学特性是反射高，吸收强，要薄到300—400埃才开始透光。这同金属具有良好的导电性有关。
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.
由于金属纳米粒子与整体金属相比所表现出来的光学特性差异，使其成为全世界深入研究的目标。
Metal nanoparticles are the subject of intensive research efforts across the world, due to the differences in the optical properties they exhibit compared to bulk metals.
彩色玻璃上金属纳米粒子的色彩效果已激发了对于更快计算和高容量光学数据存储媒介新的光电子学研究。
The colour effects of metal nanoparticles in stained glass has inspired new research into optoelectronics for faster computing and high-capacity optical-data storage media.
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