Planar micro-optic solar concentrator.

@article{Karp2010PlanarMS,
  title={Planar micro-optic solar concentrator.},
  author={Jason H. Karp and Eric J. Tremblay and Joseph E. Ford},
  journal={Optics express},
  year={2010},
  volume={18 2},
  pages={1122-33}
}
We present a new approach to solar concentration where sunlight collected by each lens in a two-dimensional lens array is coupled into a shared, planar waveguide using localized features placed at each lens focus. This geometry yields a thin, flat profile for moderate concentration systems which may be fabricated by low-cost roll manufacture. We provide analyses of tradeoffs and show optimized designs can achieve 90% and 82% optical efficiency at 73x and 300x concentration, respectively… CONTINUE READING
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