Infrared and Laser Engineering, Volume. 50, Issue 12, 20210102(2021)
Design of beam homogenizing device at receiving end for laser wireless power transmission
Figures & Tables(9)
Fig. 2. LSD with different diffuse-angles and optical tube with different heights
Fig. 3. Light intensity uniformity and coupling efficiency with different incident angles of laser
Fig. 4. Variation of coupling efficiency with angle of incident light of laser
Fig. 5. Simulation results of 3×3 receiver array. (a) Light intensity distribution in fore-end of laser receiver under Gaussian beam illumination; (b) Light intensity distribution on the photovoltaic cell under Gaussian beam illumination; (c) Light intensity distribution in fore-end of laser receiver under super Gaussian beam illumination; (d) Light intensity distribution on the photovoltaic cell under super Gaussian beam illumination
Fig. 7. Spot image taken by CCD. (a) Spot image in fore-end of laser receiver; (b) Spot image in back-end of laser receiver
Fig. 8. Influence of incident angle on system conversion efficiency
Table 1. Test values of different input optical power densities
View tableView in ArticleTable 1. Test values of different input optical power densities
Parameters Test values Input optical power/W·m-2 0.08 0.15 0.24 Is/mA 74.4 142.4 211.5 Vo/V 1.03 1.05 1.06 Is'/mA 120.8 231.6 342.6 Vo/V 1.05 1.07 1.08 η 65.5% 65.7% 65.0% Δ 0.12 0.12 0.12 ηc 74.6% 75.8% 73.47%
Tools
Get Citation
Copy Citation Text
Hongyu Huo, Yudan Gou, Qingdong Yang, Juan Li, Bangbo Zhao, Huomu Yang, Jun Wang. Design of beam homogenizing device at receiving end for laser wireless power transmission[J]. Infrared and Laser Engineering, 2021, 50(12): 20210102
Paper Information
Category: Lasers & Laser optics
Received: Feb. 9, 2021
Accepted: --
Published Online: Feb. 9, 2022
The Author Email:
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20