Laser & Optoelectronics Progress, Volume. 60, Issue 17, 1714002(2023)
Laser Multibeam Method Based on Refractive Prisms
Figures & Tables(12)
Fig. 2. Schematic diagram of multi-band laser beam combination of birefringent prism system
Fig. 8. Zemax simulation results diagram. (a) Distribution diagram; (b) incident spot distribution
Table 1. Sellmeier formula fitting result
View tableTable 1. Sellmeier formula fitting result
Material L1 L2 L3 k1 k2 k3 H-ZLaF92 123.0786 0.0597 0.0141 1.8676 0.3756 2.4593 D-ZLaF85LS 0.0080 0.0320 110.6793 1.7015 0.6333 1.4319 H-ZBaF21 0.0107 0.0536 127.6876 1.7145 0.1729 1.3759
Table 2. Brewster angle of different materials at different wavelengths
View tableTable 2. Brewster angle of different materials at different wavelengths
Material θB（500 nm） θB（1060 nm） θB（2000 nm） H-ZLaF92 63.56 63.05 62.80 D-ZLaF85LS 61.71 61.35 61.13 H-ZBaF21 59.93 59.58 59.36
Table 3. Calculation results of incident angle
View tableTable 3. Calculation results of incident angle
Material Vertex angle α /（°） Wavelength λ /nm i4 /（°） i3 /（°） i2 /（°） i1 /（°） H-ZLaF92 51 550 63.05 24.69 26.31 57.16 1060 63.05 24.06 26.94 53.33 2000 63.05 23.74 27.26 51.57 D-ZLaF85LS 55 550 61.35 26.81 28.19 56.93 1060 61.35 26.34 28.66 54.31 2000 61.35 26.06 28.94 52.82 H-ZBaF21 60 550 59.58 30.05 29.95 59.89 1060 59.58 29.96 30.42 58.26 2000 59.58 29.29 30.71 55.68
Table 4. Calculation results of beam combining efficiency
View tableTable 4. Calculation results of beam combining efficiency
Material Wavelength λ /nm First refraction Second refraction Third refraction Fourth refraction Polarization ratio Absorption ratio Total efficiency H-ZLaF92 550 0.99774 0.99166 0.99821 0.99993 50 0.959 0.92814 1060 0.99741 0.98532 0.99253 0.99977 0.996 0.95188 2000 0.99680 0.98085 0.99024 0.99999 0.983 0.93266 D-ZLaF85LS 550 0.99830 0.99595 0.99956 0.99997 0.995 0.96905 1060 0.99735 0.99236 0.99708 0.99996 0.998 0.96512 2000 0.99777 0.99018 0.99614 0.99999 0.978 0.94324 H-ZBaF21 550 0.99889 0.99995 0.99859 0.99998 0.994 0.97159 1060 0.99866 0.99972 0.99963 0.99999 0.998 0.97608 2000 0.99852 0.99809 0.99990 0.99999 0.974 0.95119
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Jiang Lan, Hengxiang He, Jun Chen, Chen Wang, Shuai Cheng, Lingpeng Zhang, Kangwang Shi, Shuoyi Zhou, Junkai Cong. Laser Multibeam Method Based on Refractive Prisms[J]. Laser & Optoelectronics Progress, 2023, 60(17): 1714002
Paper Information
Category: Lasers and Laser Optics
Received: Jul. 15, 2022
Accepted: Aug. 24, 2022
Published Online: Aug. 29, 2023
The Author Email: Hengxiang He (hhxhyx@163.com)
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