Acta Optica Sinica, Volume. 45, Issue 15, 1526001(2025)
Topological Charge Recognition of Vortex Beams Based on Convolutional Neural Network
Fig. 1. Optical field distributions of vortex beams with various topological charges and spherical aberration coefficients post 2000 m of propagation when
Fig. 2. Structure of SepNet model. (a) Overall structure; (b) architecture of single layer depth separable convolutional module
Fig. 3. Evolution of loss value and accuracy with number of iterations. (a) Loss value; (b) accuracy
Fig. 4. Three evaluation metrics for
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Tengfei Chai, Xiaoyun Liu, Siyu Gao, Ying Liu, Hongwei Wang, Yumeihui Jin, Yueqiu Jiang. Topological Charge Recognition of Vortex Beams Based on Convolutional Neural Network[J]. Acta Optica Sinica, 2025, 45(15): 1526001
Category: Physical Optics
Received: Mar. 28, 2025
Accepted: May. 6, 2025
Published Online: Aug. 15, 2025
The Author Email: Xiaoyun Liu (liuxy@imr.ac.cn), Yueqiu Jiang (yueqiujiang@sylu.edu.cn)
CSTR:32393.14.AOS250814