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利用杨 -顾相位恢复算法设计了 1 6阶光束整形器 ,用以将 He- Ne激光基模光束整形为环形光强分布 ,并进行了实验分析 ,在实验中 ,改变输出面距输入面 (光束整形器 )的距离 L,测得输出面的衍射光强分布 ,并与理论模拟相比对。研究结果表明实验结果与理论设计及模拟相吻合
A sixteenth-order beam shaper was designed using the Yang-Gu phase recovery algorithm to shape the He-Ne laser fundamental beam into a ring light intensity distribution. Experiments were performed. In the experiment, the output face distance from the input face Beam shaper) distance L, measured output diffracted light intensity distribution, and compared with the theoretical simulation. The results show that the experimental results are consistent with the theoretical design and simulation