Concentrating collector lens assembly

Optical: systems and elements – Compound lens system – With curved reflective imaging element

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Details

359727, 359738, 359853, G02B 1700, G02B 908

Patent

active

052744973

ABSTRACT:
A concentrating lens has a receiving surface that is substantially spherical and a rear or reflecting surface that is substantially hyperbolic. The reflected radiation is directed to a focusing concavity in the receiving surface from which the resultant concentrated beam emerges, substantially in a direction that is opposite to the direction of the impinging radiation.

REFERENCES:
patent: 3064526 (1962-11-01), Lindsay
patent: 3892476 (1975-07-01), Sherman, Jr.
patent: 4871249 (1989-10-01), Watson
patent: 4893612 (1990-01-01), Dawson
"Design of Nonimaging Concentrators as Second Stages in Tandem with Image-Forming First Stage Concentrators", Winston et al, Applied Optics, vol. 19, No. 3, Feb. 1980.

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