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Perovskite Lenses: Flat Lenses Based on 2D Perovskite Nanosheets (Adv. Mater. 30/2020)
Author(s) -
Wang Ziyu,
Yang Tieshan,
Zhang Yupeng,
Ou Qingdong,
Lin Han,
Zhang Qianhui,
Chen Huanyang,
Hoh Hui Ying,
Jia Baohua,
Bao Qiaoliang
Publication year - 2020
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.202070228
Subject(s) - materials science , perovskite (structure) , femtosecond , optics , laser , optoelectronics , nanotechnology , crystallography , physics , chemistry
In article number 2001388, Yupeng Zhang, Baohua Jia, Qiaoliang Bao, and co‐workers develop flat lenses based on 2D perovskite nanosheets using a cost‐effective mask‐free femtosecond direct laser writing system. The tunable material property affords effective manipulation of both amplitude and phase of the incident light, which is focused into a subwavelength 3D spot with a resolution in the range of 0.5‐0.9λ.

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