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Nonimaging Optics by With contributions by Narkis Shatz and John C. Bortz, Pablo G. Benitez, Juan C. Minano, Roland Winston

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Appendix H THE θio CONCENTRATOR

Figure H.1 shows the concentrator with appropriate notation. From the triangle QQ’S we have

image

Figure H.1 Design of the θio concentrator.

image     (H.1)

Also, since the angle image, the π − θo − θi, the triangle RQS is isosceles, and so QR = QS.

From the polar equation of the parabola,

image     (H.2)

so from Eq. (H.1) we find ...

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