Chen Xu, Fang Xiujie, Ma Danyue, Liu Ying, Cao Li, Zhai Yueyang
Appl Opt. 2022 Feb 20;61(6):C55-C64. doi: 10.1364/AO.441418.
This study proposes an approach to generate a uniform flat-top beam with a liquid crystal spatial light modulator (LC-SLM) to optimize ultrasensitive inertial measurement. The random incomplete Gaussian beam is modulated into a flat-top beam by uploading a beam shaping optimization algorithm on an LC-SLM. Simulation results verify the effectiveness of the proposed method. The beam obtained from the experimental results with the 4f filter system optimization also conforms to the properties of the generated flat-top beam. Compared to existing beam shaping algorithms for simulation and experimental analysis, the beam shaping design based on the LC-SLM to optimize the ultrasensitive inertial measurement is realized. This method has also been verified to be effective in beam shaping in various beam situations. The application of this method in ultrahigh-sensitivity inertial measurement should prove significant.
本研究提出了一种利用液晶空间光调制器（LC-SLM）生成均匀平顶光束以优化超灵敏惯性测量的方法。通过在LC-SLM上上传光束整形优化算法，将随机不完全高斯光束调制为平顶光束。仿真结果验证了该方法的有效性。采用4f滤波系统优化得到的实验结果光束也符合所生成平顶光束的特性。与现有的用于仿真和实验分析的光束整形算法相比，实现了基于LC-SLM的光束整形设计以优化超灵敏惯性测量。该方法在各种光束情况下的光束整形中也已被验证是有效的。该方法在超高灵敏度惯性测量中的应用应具有重要意义。
