Photon reabsorption in fluorescent solar collectors

Fang, Liping and Parel, Thomas and Danos, Lefteris and Markvart, Tomas (2012) Photon reabsorption in fluorescent solar collectors. Journal of Applied Physics, 111 (7). ISSN 0021-8979

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Understanding photon transport losses in fluorescence solar collectors is very important for increasing optical efficiencies. We present an analytical expression to characterize photon reabsorption in fluorescent solar collectors, which represent a major source of photon loss. A particularly useful universal form of this expression is found in the limit of high reabsorption, which gives the photon reabsorption probability in a simple form as a function of the absorption coefficient and the optical étendue of the emitted photon beam. Our mathematical model predicts fluorescence spectra emitted from the collector edge, which are in excellent agreement with experiment and provide an effective characterization tool for photon transport in light absorbing media.

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Journal Article
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Journal of Applied Physics
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15 Mar 2013 08:59
Last Modified:
16 Sep 2023 00:51