Plastic light concentrator
The ARPA-E Energy Innovation Summit brings a number of startups but a large portion of the exhibitors are from national labs, universities, and research organization. PARC, which is a Xerox company, has an energy research arm and is displaying this solar concentrator. It reflects light with dies in a sheet of plastic and then directs it up through the Fresnel lens on the top. The idea is to manufacture this at very small scale so that you could use sheets of plastic with this design embedded in it to reflect light cheaply.
February 28, 2012 10:48 AM PST
Photo by: Martin LaMonica/CNET
| Caption by: Martin LaMonica
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