In this paper we present a method for designing ideal and optimal 2-D concentrators when the collector is placed inside a dielectric tube for the particular case of a bifacial collector. The method, based on the extreme ray principle of design, avoids the use of differential equations by means of a prosper application of Fermat’s principle. One advantage of these concentrators is that they allow the size to be small compared with classical CPCs.
© 1983 Optical Society of America
Juan C. Min¯ano, José M. Ruiz, and Antonio Luque, "Design of optimal and ideal 2-D concentrators with the collector immersed in a dielectric tube," Appl. Opt. 22, 3960-3965 (1983)