Apparatus for detecting and measuring fluorescence emission

Details Apparatus for detecting and measuring fluorescence emission Apparatus for detecting and measuring fluorescence emission

1976-03-11

1978-04-18

McGraw, Vincent P.

Optics: measuring and testing

Range or remote distance finding

With photodetection

250458, 356186, 356209, G01J 330, G01J 348

Patent

active

040849058

ABSTRACT:
Apparatus for detecting and measuring fluorescence emission comprising a fluorometer probe including a light emitting means for illuminating the object under study, a red cut-off filter, a light sensitive detector for obtaining the fluorscence signal from the object, and a preamplifier connected to the phototransistor for amplifying the said signal to a first level, and power and control unit including electronic indicating means. In the preferred embodiment the sensor and emitter are a light emitting diode (LED) and a phototransistor arranged in piggy-back relation with the LED having an epoxy body acting as a fluorescence light guide from the object to the phototransistor.

REFERENCES:
patent: 3811777 (1974-05-01), Chance
patent: 3910701 (1975-10-01), Henderson et al.
Optical Reading Wand with Multiconvex Lens; Dickson et al., IBM Tech. Disc. Bulletin, vol. 16, No. 11, Apr. 74; p. 3732.

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