Chinese Journal of Lasers, Volume. 50, Issue 7, 0708011(2023)
Design of Long-Distance Wide-Spectrum Condensing System with Large Aperture Fresnel Lens
Figures & Tables(12)
Fig. 8. Light simulation diagrams of Fresnel lens concentrating system. (a) Overall system; (b) rear group system
Fig. 9. Devices of Fresnel lens concentrating system principle experiment. (a) Fresnel lens; (b) beam homogenizer; (c) total reflection collimator; (d)(e) rear group system fixed with 3D printed lens tube
Fig. 10. Schematic of measurement method of light energy utilization efficiency of large aperture Fresnel lens
Fig. 11. Focal spot of Fresnel lens and corresponding spot energy distribution. (a) Focal spot at 131.5 cm from Fresnel lens; (b) focal spot energy distribution
Table 1. Parameters of Fresnel lens concentrating system
View tableTable 1. Parameters of Fresnel lens concentrating system
Device Parameter Value Distance Fresnel lens Diameter 1100 mm Focal length 1300 mm L1=1300 mm Beam homogenizer Cross-section dimension 4 mm×4 mm Length 40 mm L2=0 mm CPC Diameter of incident surface 6 mm Diameter of outlet surface 26 mm Length 39 mm L3=13 mm Relay lens group Diameter of lens 1 9 mm Focal length of lens 1 12 mm L4=5 mm Diameter of lens 2 9 mm Focal length of lens 2 20 mm L5=3 mm Fiber bundle Diameter of receiving surface 2 mm Numerical aperture 0.22
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Ya Wen, Shuqin Wang, Haoran Li, Shaowei Xu, Yuliang Tao, Xing Zhao, Weiwei Liu. Design of Long-Distance Wide-Spectrum Condensing System with Large Aperture Fresnel Lens[J]. Chinese Journal of Lasers, 2023, 50(7): 0708011
Paper Information
Category: nonlinear optics
Received: Dec. 21, 2022
Accepted: Feb. 27, 2023
Published Online: Apr. 14, 2023
The Author Email: Zhao Xing (zhaoxingtjnk@nankai.edu.cn)
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