A new method of design of nonimaging concentrators is presented and two new types of concentrators are developed. The first one is an aspheric lens, and the second one is a lens- mirror combination. A ray tracing of 3-D concentrators (with rotational symmetry) has also been done, showing that the lens-mirror combination has a total transmission as high as that of the full compound parabolic concentrators, while their depth is much smaller than the classical parabolic mirror-nonimaging concentrator combinations (8 times smaller or more). Another important feature of this concentrator is that the optical surfaces are not in contact with the receiver, as occurs in other nonimaging concentrators.

Date Published: 24 October 1991
PDF: 12 pages
Proc. SPIE 1528, Nonimaging Optics: Maximum Efficiency Light Transfer, (24 October 1991); doi: 10.1117/12.49135

Published in SPIE Proceedings Vol. 1528:
Nonimaging Optics: Maximum Efficiency Light Transfer
Roland Winston; Robert L. Holman, Editor(s)