Conical beam concentrator

Details Conical beam concentrator Conical beam concentrator

1984-09-17

1986-03-25

Corbin, John K.

Stoves and furnaces

Stoves

Cooking

126440, 350443, G02B 1318

Patent

active

045779384

ABSTRACT:
A conical beam concentrator comprising; (a) an upper component lens with a convex conical section (face) which receives a convergent conical incipient beam of diffused sunlight and transmits the beam through the lens to a convex conical section which refracts the beam inward, forming a convergent conical concentrated beam, (b) a lower component lens with a convex conical section which transmits the beam through the lens to a convex conical reflective section which reflects the beam downward to a concave conical section which refracts the beam a second time, forming a concentrated whole beam which is emitted parallel to the vertical optic axis of the concentrator.

REFERENCES:
patent: 2881654 (1959-04-01), Toffolo
patent: 2882784 (1959-04-01), Toffolo
patent: 4277148 (1981-07-01), Clegg
patent: 4325612 (1982-04-01), Clegg
patent: 4333713 (1982-06-01), Clegg
Rioux et al., "Linear, Annular, and Radial Focusing with Axicons and Applications to Laser Machining", Applied Optics, vol. 17, No. 10, 5/78, pp. 1532-1536.

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