Device for measuring light-activated fluorescence and its use

Details Device for measuring light-activated fluorescence and its use Device for measuring light-activated fluorescence and its use

2005-06-02

2008-08-26

Porta, David P. (Department: 2884)

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

Reexamination Certificate

active

07417238

ABSTRACT:
The invention relates to a device for measuring light-activated fluorescence of at least one coating that contains a fluorescent material, and its use for measuring fluid materials which cause fluorescence-quenching in at least one of the fluorescent coatings. To activate the fluorescence, at least one first light wave-guide is directed onto at least one coating applied to a support and the fluorescent light is directed at a detector by means of at least one-second light wave-guide, in order to determine the intensity of the fluorescent light. The end faces of the different fluorescent light wave guides are then arranged to have overlapping entry and/or exit cones and/or be of a shape substantially identical to the at least one coating containing a fluorescent material, in such a way that an accurate measurement of the fluorescence intensity can be attained, and that the light source(s), light wave guides and the detector(s) are lodged in a measuring head.

REFERENCES:
patent: 4431004 (1984-02-01), Bessman et al.
patent: 4548907 (1985-10-01), Seitz et al.
patent: 5001054 (1991-03-01), Wagner
patent: 5319975 (1994-06-01), Pederson et al.
patent: 5606170 (1997-02-01), Saaski et al.
patent: 6066245 (2000-05-01), Trost

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