Infrared molecular species monitor

Details Infrared molecular species monitor Infrared molecular species monitor

1986-09-22

1988-11-01

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250339, G01N 2161

Patent

active

047822325

ABSTRACT:
An infrared monitor for measuring the presence of at least one gas phase molecular species including a sample path for containing a sample to be monitored for the molecular species. A sample beam of infrared source emission of the molecular species to be monitored for passage through the sample path is provided to the sample path. The sample beam includes at least one primary spectral emission line which is significantly absorbed by the molecular species. The decrease in the intensity of the at least one primary infrared source spectral emission line passing through the sample path is detected as a function of the absorption of the at least one line by the molecular species present in the sample.

REFERENCES:
patent: 3947685 (1976-03-01), Meinel
patent: 4176963 (1979-12-01), Fabinski et al.
patent: 4326807 (1982-04-01), Zochbauer

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