Gas sensor

Details Gas sensor Gas sensor

G - Physics

01

N

G01N 21/35 (2006.01)

Patent

CA 2546845

A gas sensor comprises a cavity for containing a gas, means for generating radiation which is transmitted through the cavity and includes one or more wavelengths which is absorbed in use by a gas to be detected; and a detector for detecting radiation which has passed through the cavity. The walls of the cavity are sufficiently reflective to the radiation that the cavity is substantially uniformally illuminated with the radiation.

Un capteur de gaz comprend une cavité destinée à contenir du gaz, un moyen de génération d'un rayonnement transmis à travers la cavité et possédant au moins une longueur d'onde, absorbé à l'utilisation par un gaz à détecter; et un détecteur pour détecter le rayonnement ayant traversé la cavité. Les parois de la cavité sont suffisamment réfléchissantes par rapport au rayonnement, si bien que la cavité est illuminée sensiblement uniformément par le rayonnement.

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