Winston, R.; Jenkins, D.; O'Gallagher, J.; Lando, M.; … - In: Renewable Energy 5 (1994) 1, pp. 368-372
Nonimaging optics provides a means of concentrating light to intensities approaching the theoretical limit. In experiments at the University of Chicago, we measured a concentration of 84,000 using a sapphire concentrator. We are currently scaling up our experiments at the National Renewable...
