Reconfigurable Non-Volatile High-Performance Metalens

Mikhail Shalaginov,Sensong An,Yifei Zhang,Fan Yang,Peter Su,Vladimir Liberman,Jeffrey Chou,Christopher Roberts,Myungkoo Kang,Carlos Rios,Qingyang Du,Clayton Fowler,Anuradha Agarwal,Kathleen Richardson,Clara Rivero-Baleine,Hualiang Zhang,Juejun Hu,Tian Gu

2020 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)（2020）

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摘要

We demonstrated a varifocal metalens based on the low-loss optical phase-change material Ge2Sb2Se4Te1 (GSST). The lens features diffraction-limited performance and full 2 pi phase tuning range. Aberration- and crosstalk-free imaging using the lens was also demonstrated. (c) 2020 The Author(s)

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