Light detector based on fluorescent dyes

Details Light detector based on fluorescent dyes Light detector based on fluorescent dyes

1991-09-18

1992-07-21

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

385121, H01J 516

Patent

active

051325306

ABSTRACT:
A light detector consists of a plate-like light-absorbing body and at least one optical waveguide connected thereto. Both parts of the light detector contain a fluorescent dye, whereby the irradiated light is converted into a fluorescence radiation. This radiation is guided by total reflection to a light-sensitive semiconductor element and is measured there. The light detector is suitable as light barrier, fiber-optic revolution counter or UV detector.

REFERENCES:
patent: 4175980 (1979-11-01), Davis et al.
patent: 4193819 (1980-03-01), Wohlmut
patent: 4371897 (1983-02-01), Kramer
patent: 4472046 (1984-09-01), Kohyama
patent: 4650992 (1987-03-01), Ruhrmann

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