G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/35 (2006.01) G01N 30/74 (2006.01) G01N 33/24 (2006.01) G01N 33/28 (2006.01)
Patent
CA 2660429
This device comprises a means (111) for forming a gaseous flow from the sample and a means (121) for separation of each specific gaseous constituent. It comprises a means (115) for quantifying the relative contents of the two isotopes to be analysed which comprise an optical measurement cell (127). The cell (127) comprises two mirrors (137A, 137B) which delimit a measurement cavity (147). The device comprises a means (161) for introducing an incident optical signal into the measurement cavity (147), a means (161) for generating a plurality of reflections of the signal in separate points (174A, 174B) on each mirror (137A, 137B) during its travel in the cavity, a means (133) for measuring a transmitted optical signal resulting from an interaction between the optical signal and each isotope in the measurement cavity (147), and a means (125) for calculating said relative contents on the basis of these signals.
La présente invention concerne un dispositif comprenant un moyen (111) destiné à former un écoulement gazeux à partir de l'échantillon et un moyen (121) destiné à séparer chaque constituant gazeux spécifique. Il comprend un moyen (115) destiné à quantifier les teneurs relatives des deux isotopes à analyser qui comprend une cellule de mesure optique (127). La cellule (127) comprend deux miroirs (137A, 137B) qui délimitent une cavité de mesure (147). Le dispositif comprend un moyen (161) destiné à introduire un signal optique incident dans la cavité de mesure (147), un moyen (161) destiné à produire une pluralité de réflexions du signal dans des points séparés (174A, 174B) sur chaque miroir (137A, 137B) lors de son déplacement dans la cavité, un moyen (133) destiné à mesurer un signal optique transmis résultant d'une interaction entre le signal optique et chaque isotope dans la cavité de mesure (147) et un moyen (125) destiné à calculer lesdites teneurs relatives sur la base de ces signaux.
Baer Douglas
Breviere Jerome
Whiticar Michael
Geoservices Equipements
Robic
LandOfFree
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