You Zhou, Guoxun Zhang, Jiamin Wu, Myunghwan Choi, Qionghai Dai
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Wavefront shaping for achieving high NA GRIN-lens-based endoscopic imaging
We propose a wavefront shaping method to improve the spatial resolution and light collection efficiency of a GRIN-lens-based endoscopic system. The genetic algorithm and a real-time feedback strategy are used for the search of an optimized phase modulation pattern.