International Journal of Photoenergy / 2017 / Article / Fig 4

Research Article

Optical Tests on a Curve Fresnel Lens as Secondary Optics for Solar Troughs

Figure 4

(a) Top view of the lens: the red segment represents the CFL image plane. (b) Side view of the lens: the green lines are the rays reflected by the trough.
(a)
(b)

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