Highly efficient collection optical systems for providing light

Details Highly efficient collection optical systems for providing light Highly efficient collection optical systems for providing light

1994-08-12

1995-12-26

Look, Edward K.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

359853, 359868, 126694, 126695, 356236, G01C 308, G02B 510

Patent

active

054790093

ABSTRACT:
This invention involves a novel egg-shaped hollow dual-compound conical light-ray concentrator with mirror-like inner walls (preferably tandem substantially inverted paraboloidal and ellipsoidal conical sections) for receiving light through one aperture end, as from an integrating sphere, and concentrating and collecting the rays within said walls and directing them to a detector at an opposite aperture end. This construction attains both high collection efficiency and hemispherical angular response.

REFERENCES:
patent: 3923381 (1975-12-01), Winston
patent: 3957031 (1976-05-01), Winston
patent: 4002499 (1977-01-01), Winston
patent: 4003638 (1977-01-01), Winston
patent: 4045246 (1977-08-01), Mlavsky et al.
patent: 4114592 (1978-09-01), Winston
patent: 4129115 (1978-12-01), Wyatt
patent: 4284068 (1981-08-01), Gunderson
patent: 4284069 (1981-08-01), Horster et al.
patent: 4541414 (1985-09-01), Mori

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