Erratum

Theoretical maximum concentration factors for solarconcentrators: erratum

Rub6n 0. Nicolfis and Julio C. Durfn

Division Energia Solar, Comisi6n Nacional de Energia At6mica, 1429 Buenos Aires, Argentina

Equation (30) of our paper' should read as follows:

JY J3 n(0',y )CoS2 ydy = 0.78(08 2 - 0/2)1/2

+ 0.96(0,2 -02)/10. (30)

However, both expressions coincide for 0' = 0, so the conclu-sions given in our paper are correct.

REFERENCE

1. R. 0. Nicolhs and J. C. Duran, "Theoretical maximum concen-tration factors for solar concentrators," J. Opt. Soc. Am. A 1,1110-1113 (1984).

0740-3232/85/081382-01$02.00 © 1985 Optical Society of America