Chinese Optics Letters, Volume. 21, Issue 7, 071901(2023)
Self-focusing of partially coherent beams based on complex screen and split-step Fourier transform methods
Figures & Tables(6)
Fig. 1. Comparison of the analytical formula and the CS methods for overall self-focusing.
Fig. 2. Beam distribution with the initial intensity of 2.6 GW/cm2 after 400-mm transmission. (a), (b), (c), (d), and (e) correspond to the coherent beam, and C = 2, 5, 10, and 20, respectively. (f) The one-dimensional distribution corresponding to each light field at y = 0.
Fig. 3. Variation of the beam in (a) the modulation system and (b) the maximum intensity at an initial intensity of 2.6 GW/cm2.
Fig. 4. Beam distribution with the initial intensity of 4 GW/cm2 after 400-mm transmission. (a), (b), (c), (d), and (e) correspond to the coherent beam, and C = 2, 5, 10, and 20, respectively. (f) The one-dimensional distribution corresponding to each light field at y = 0.
Fig. 5. Variation of the beam in (a) the modulation system and (b) the maximum intensity at an initial intensity of 4 GW/cm2.
Table 1. Modulation Degree
M after Propagating through 400-mm Nd GlassView tableView in ArticleTable 1. Modulation Degree
M after Propagating through 400-mm Nd GlassCoherent C = 2C = 5C = 10C = 202.6 GW/cm2 0.37 0.35 0.33 0.19 0.09 4 GW/cm2 0.72 0.70 0.66 0.46 0.19
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Fanglun Yang, Guowen Zhang, Xiaoqi Zhang, Yanli Zhang, Ruifeng Wang, Jianqiang Zhu, "Self-focusing of partially coherent beams based on complex screen and split-step Fourier transform methods," Chin. Opt. Lett. 21, 071901 (2023)
Paper Information
Category: Nonlinear Optics
Received: Feb. 14, 2023
Accepted: Apr. 14, 2023
Published Online: Jul. 14, 2023
The Author Email: Guowen Zhang (guowenzhang@siom.ac.cn), Jianqiang Zhu (jqzhu@siom.ac.cn)
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