Curvilinear solar energy collector

A solar energy collector comprising:

• a. A curvilinear working fluid conduit orientated normal to the mean path of the sun;
• b. A plurality of Fresnel focusing elements arrayed between the sun and the conduit, the prismatic elements of the lens being curved parallel to the conduit, whereby the sun's rays are concentrated upon the curvilinear conduit;
• c. A second curvilinear conduit substantially identical to the first disposed normal to the sun, but further along the apparent path of the sun to the extent that the extreme curves of the second conduit are disposed opposite the extreme curves of the first conduit.