Electro-optical middle ultra-violet sensors

Details Electro-optical middle ultra-violet sensors Electro-optical middle ultra-violet sensors

1990-01-16

1991-06-04

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

G01J 142

Patent

active

050216686

ABSTRACT:
An electro-optical sensor operative in the middle ultra-violet (UV) region f the electro-magnetic spectrum, and more specifically in the so called "solar blind" region, for the long range detection of flames and artificial light sources. The sensor has a signal sensitivity of a single photon per second and includes an optical filter and an electro-optical detector, such as a photomultiplier, arranged in cascade so that the overall outband response of the sensor satisfies the equation:

REFERENCES:
patent: 3971943 (1976-07-01), Jeunehomme et al.
patent: 4597629 (1986-07-01), Kraushaar et al.
patent: 4731881 (1988-03-01), Guller

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