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17 September 2018 Optical coatings for the optical concentrator with the prism film
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Abstract
Effects of a coating combination, a prism film and a phosphor layer on the short current of the solar cell in the optical solar concentrator and the illuminance of the sunlight passing through the samples were investigated. The optical solar concentrator was a 50 mm x 50 mm x 5 mm B270 thick glass with its sides connected by a solar cell. The prismatic structure of the prism film had a period of 50 μm. A phosphor Y560 having an absorption band of 390 nm to 500 nm and emitting from 490 nm to 700 nm was prepared. Six coating combinations applied in this study were composed of optical filters and glass. The optical filters included infrared cut-off, magenta, red, green and blue filters. The deflection angle was between 31 and 33 degrees when the incident sunlight passed through the prism film. The short current of the solar cell in the optical solar concentrator with the prism film, the coating combination and the phosphor layer was largest in this study. Experimental results show that the coating is more suitable for enhancing the short current than the phosphor layer in the optical solar concentrator with the prism film. And the phosphor layer can increase the illuminance of the sunlight passing through the samples due to the human eye sensitivity.
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Cheng-Chung Jaing, Wei-Li Wan, Pao-Keng Yang, Shang-Ping Ying, and Bing-Mau Chen "Optical coatings for the optical concentrator with the prism film", Proc. SPIE 10745, Current Developments in Lens Design and Optical Engineering XIX, 1074511 (17 September 2018); https://doi.org/10.1117/12.2320370
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