Prismatic beam concentrator

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126440, G02B 504

Patent

active

046502840

ABSTRACT:
A bilateral prism having two angular wedge faces which receive two convergent incipient beams of indirect sunlight and having two angular V-groove faces which emit a concentrated sheet beam. The prism is mounted on a rectangular block with angular lateral sides. The angle of the sides is such that two or three prisms can be mounted side by side with adjacent sides in contact so that the projected concentrated sheet beams converge onto a heat duct through which water or air circulate.

REFERENCES:
patent: 2405960 (1946-08-01), Land
patent: 2881654 (1959-04-01), Toffolo
patent: 2882784 (1959-04-01), Toffolo
patent: 3947086 (1976-03-01), Hunzinger
patent: 4527546 (1985-07-01), Clegg
Price, "Collimated Light Beam Expander-Compressor", Xerox Disclosure Journal, vol. 6, No. 5, Sep./Oct. 1981, pp. 253-254.
Mannigel, "Prismatic Beam Expansion", Optical Engineering, vol. 13, No. 4, Jul./Aug. 1974, p. G-160-161.

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