Controlled directional scattering cavity for tubular absorbers

Details Controlled directional scattering cavity for tubular absorbers Controlled directional scattering cavity for tubular absorbers

1980-01-18

1982-11-16

Evans, F. L.

Stoves and furnaces

Stoves

Cooking

126438, 126442, 350299, G02B 510

Patent

active

043592651

ABSTRACT:
A specular cavity is provided in which an optical receiver is emplaced. The cavity is provided with a series of V groove-like indentations (or pyramidal-type indentations) which redirect energy entering between the receiver and cavity structure onto the receiver. The aperture opening of each V groove is less than half the cavity opening and in most preferred embodiments, much less than half. This enables the optical receiver to be emplaced a distance g from the cavity wherein 0.414r<g.ltoreq.r (r is the radius of the receiver) leading to an attendant increase in energy concentration capability.

REFERENCES:
patent: 4059093 (1977-11-01), Knowles et al.
patent: 4120565 (1978-10-01), Rabl et al.
patent: 4215674 (1980-08-01), Riggs et al.

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