By utilizing exciton resonances in atomically thick semiconductors, researchers have now demonstrated the ultimate downscaling of optical lenses and reported on their efficacious electrical tunability.

中文翻译：

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Metalenses原子变厚且可调

通过利用原子厚半导体中的激子共振，研究人员现已证明了光学透镜的最终尺寸缩小，并报告了其有效的电可调性。