期刊
OPTIK
卷 244, 期 -, 页码 -出版社
ELSEVIER GMBH
DOI: 10.1016/j.ijleo.2021.167516
关键词
Scattering media; Wavefront shaping; Focusing; Sparrow search algorithm
类别
资金
- National Natural Science Foundation of China [11773018, 61727802]
- Key Research & Development Programs in Jiangsu China [BE2018126]
- Fundamental Research Funds for the Central Universities [30919011401, 30920010001]
- Leading Technology of Jiangsu Basic Research Plan [BK20192003]
A novel optimization method for wavefront-shaping focusing based on phase modulation is proposed, which achieves higher convergence rate and larger enhancement by introducing crossover and mutation operations. The proposed method is validated through simulation and shown to be robust to noisy environments, outperforming other well-known wavefront-shaping focusing algorithms. This work may offer insights for modifying existing algorithms for focusing applications.
We demonstrate a novel optimization method for wavefront-shaping focusing based on phase modulation. The proposed modified sparrow search algorithm achieves a higher convergence rate and a larger enhancement than the sparrow search algorithm by introducing crossover and mutation operations. Through a simulation, the validity of the proposed method is confirmed by comparison with the result of the algorithm without a modification. Further results indicate that the proposed method is robust to noisy environments. In summary, simulation and experimental results show that the proposed method outperforms other well-known wavefront-shaping focusing algorithms. Our work may be helpful for potential applications of wavefront shaping as well as offers useful insights for the modification of existing algorithms for focusing use.
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