Design of a Cassegrain Optical System Transferring Intensified Sunlight to an Indoor GaAs Solar Cell

Abstract:

Most solar cells are installed outdoors in order to receive as much sunlight as possible. Outdoor environment, however, is harmful to solar cells. Therefore, solar cells nowadays are well designed and able to work longer than 20 years. Besides improvements in sturdiness of solar cells, changes in structure of solar collector are also an effective way to prolong the lifespan of a solar cell. Thus, the research was aimed at the design of a solar collector that was able to transfer intensified sunlight to an indoor solar cell via a fiber bundle, so as to avoid dreadful environment. After being optimized by commercial optical software LightTools, the solar collector achieved a good efficiency, more than 20%, and had high tolerance to optical errors.

• Periodical: Applied Mechanics and Materials (Volumes 121-126)
• Pages: 2636-2642
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.121-126.2636
• Online since: October 2011
• Authors: Chien Yue Chen, Chien Sheng Huang, Jhih Ping Syu, Yi Sheng Chang
• Keywords: Concentrator, Fiber Bundle, Solar Cell

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