8 January 2004 Novel compact nonimaging collectors for LED arrays
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Abstract
Commercial adoption of non-imaging optics has been limited in part by high length-to-aperture ratios of classical designs. Previous low-aspect-ratio designs have been limited to particular angular ranges. We will present designs with length-to-aperture ratios of 0.6 or lower, with nearly ideal etendue-preserving performance and efficiency over a wide range of collection and output angles. The results described will include raytrace simulations, experimental results, and demonstration units.
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Benjamin A. Jacobson, Benjamin A. Jacobson, Robert D. Gengelbach, Robert D. Gengelbach, "Novel compact nonimaging collectors for LED arrays", Proc. SPIE 5185, Nonimaging Optics: Maximum Efficiency Light Transfer VII, (8 January 2004); doi: 10.1117/12.507004; https://doi.org/10.1117/12.507004
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