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(Peer-Reviewed) Cascaded metasurfaces for adaptive aberration correction
Lei Zhang 张磊 ¹ ², Tie Jun Cui 崔铁军 ¹ ²
¹ Institute of Electromagnetic Space and State Key Laboratory of Millimeter Waves, Southeast University, Nanjing 210096, China
中国 南京 东南大学电磁空间科学与技术研究院 毫米波国家重点实验室
² School of Information Science and Engineering, Southeast University, Nanjing 210096, China
中国 南京 东南大学信息科学与工程学院
Opto-Electronic Advances , 2025-05-27
https://doi.org/10.29026/oea.2025.250052
https://www.oejournal.org/article/doi/10.29026/oea.2025.250052
Abstract

Aberration-corrected focus scanning is crucial for high-precision optics, but the conventional optical systems rely on bulky and complicated dynamic correctors. Recently, Shiyi Xiao's group proposed a method using two rotating cascaded transmissive metasurfaces for adaptive aberration correction in focus scanning.

The optimized phase profiles enable precise control of the focal position for scanning custom-curved surfaces. This concept was experimentally validated by two all-silicon meta-devices in the terahertz regime, paving the way for high-precision and compact optical devices in various applications.
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    • Full-dimensional complex coherence properties tomography for multi-cipher information security        Embedded solar adaptive optics telescope: achieving compact integration for high-efficiency solar observations
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