25 March 2013 Self-tracking planar concentrator using a solar actuated phase-change mechanism
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In this paper we discuss optical considerations and present design simulation results for a self-tracking (passive) solar concentrator. The self-tracking mechanism uses a reversible in-plane paraffin thermal actuator to couple shortwavelength light into a lightguide at the position of the solar focus. By splitting the solar spectrum using a longpass dichroic faceted reflector for actuation energy, this device adaptively self-tracks and concentrates solar light into a planar waveguide.
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Eric J. Tremblay, Eric J. Tremblay, Volker Zagolla, Volker Zagolla, Damien Loterie, Damien Loterie, Christophe Moser, Christophe Moser, } "Self-tracking planar concentrator using a solar actuated phase-change mechanism", Proc. SPIE 8620, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices II, 862011 (25 March 2013); doi: 10.1117/12.2004025; https://doi.org/10.1117/12.2004025

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