The filter production process begins on the macro scale with layers of plastic. It is thermally drawn down to the nanoscale, producing an optical filter. We can shift the blocking region by controlling the draw speed.
Luminescent Solar Concentrators (LSC’s) are a promising alternative for reducing the cost of solar power. Exploiting the advantages of optical fiber production, we present here a Fiber LSC (FLSC) in which the waveguide is a polymer optical fiber. We present modeling, fabrication and optical characterization of FLSC (conversion efficiency ~ 5.7%) with a hybrid fiber structure for two-stage concentration of incident light. Directional guiding in fiber allows for at least twofold geometrical gain improvement compared to conventional LSC. It also alleviates the size limitation of conventional LSC’s in one direction. Light-weight, flexible solar sheets assembled from such fibers can provide a means for mobile energy needs.
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