Research on beam shaping based on grating bars

Canghong Xie,Yongqing Huang,Yisu Yang,Huijuan Niu,Xiaofeng Duan,Kai Liu,Xiaomin Ren

international conference on information photonics（2020）

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摘要

We realize the conversion from Gaussian to flat-top beams with single period grating bars. Simulation results show that the transmittance is higher than 86% and the spot size is about 5.1 μm within 100nm bandwidth.

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关键词

flat-top beams,single period grating bars,beam shaping,Gaussian beams,transmittance,spot size,size 5.1 mum,size 100.0 nm

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