Effect of 1070nm laser uniformity on temperature distribution and performance of In0.3Ga0.7As solar panel

Guangji Li; Hongchao Zhang; Chengmin Wang; Jian Lu

doi:10.1117/12.2522664

29 March 2019 Effect of 1070nm laser uniformity on temperature distribution and performance of In_0.3Ga_0.7As solar panel

Guangji Li, Hongchao Zhang, Chengmin Wang, Jian Lu

Author Affiliations +

Proceedings Volume 11046, Fifth International Symposium on Laser Interaction with Matter; 110460J (2019) https://doi.org/10.1117/12.2522664
Event: Fifth International Symposium on Laser Interaction with Matter, 2018, Changsha, China

Abstract

In the laser wireless power transmission (LWPT) system, the solar panel plays a decisive role as the receiving end of the energy. As the transmission medium of energy in LWPT system, the energy of laser presents generally Gauss distribution, resulting in uneven energy of the laser received by the solar panel, which may affect the transmission efficiency and capacity of the system. In this paper, a 1070nm continuous fiber laser is used to irradiate the In_0.3Ga_0.7As solar panel, and the temperature distribution on the back of the panel and the IV characteristics were recorded. The results showed that the temperature distribution on the back side of the solar panel was almost the same under the conditions of the same laser power but different energy distribution. In terms of performance of the panel, due to the increase in beam uniformity, the short-circuit current increased by 33.4%, the maximum output power increased by 18.5%. In addition, the irradiation of different laser power was also studied in this paper. The influence of different laser intensity and different beam uniformity on the efficiency of the panel were given.

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Guangji Li, Hongchao Zhang, Chengmin Wang, and Jian Lu "Effect of 1070nm laser uniformity on temperature distribution and performance of In_0.3Ga_0.7As solar panel", Proc. SPIE 11046, Fifth International Symposium on Laser Interaction with Matter, 110460J (29 March 2019); https://doi.org/10.1117/12.2522664

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KEYWORDS

Solar cells

Adhesives

Metals

Solar energy

Fiber lasers

Gallium

Laser energy

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