Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1996-06-11
1998-05-05
Tokar, Michael J.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
250343, 25033913, G01N 2131, G01N 2135, G01N 2161
Patent
active
057478090
ABSTRACT:
An apparatus for measuring isotopic ratios provides four separate optical paths for separate measurement of each of two isotopes relative to a reference signal, using spectrally resolved infrared radiation. The design permits the measurements to be made accurately without significant time lags between measurements, and without interchanging of cells or filters.
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Gorthey LeeAnn
SRI - International
Tokar Michael J.
Tyler Virgil O.
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