Highly efficient wide-angle blazed gratings enabled by metasurfaces

Chunshu Li,Yongjun Guo, Yang Wang,Yuhao Guo,Lin Zhang

2023 Conference on Lasers and Electro-Optics (CLEO)（2023）

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摘要

We experimentally realize a wide-angle blazed grating based on metasurfaces, with an average efficiency of 64% over a very large incident angle range from -80° to 45°, which is unique for wide-angle functionalities.

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