Nonimaging Optics

Appendix I THE TRUNCATED COMPOUND PARABOLIC CONCENTRATOR

In this appendix we give the derivations of the formulas in Section 5.3)We show in Figure I.1 the parabolic section in polar coordinates. For these coordinates we recall (see Appendix G) that the equation of the parabola is

Figure I.1 Construction for the truncated CPC.

     (I.1)

If s is the arc length of the parabola, then

so that

or

     (I.2)

from Eq. (I.1))We have to integrate ...