Corona detector with optical filter

Details Corona detector with optical filter Corona detector with optical filter

G - Physics

01

N

G01N 21/25 (2006.01)

Patent

CA 2211490

A corona detector for detecting a corona associated with a remote object. In oneembodiment, the corona detector employs an optical filter having at least one passband centered at a wavelength corresponding with one of the molecular nitrogen emission spectrum second positive emission lines for filtering light from the remote object. A lens operatively coupled to the optical filter forms an image of the remote object, the lens having high transmissivity in the ultraviolet spectrum.

Détecteur d'effets de couronne associés à un objet éloigné. Dans une version, le détecteur emploie un filtre optique ayant au moins une bande passante centrée sur une longueur d'onde correspondant à l'une des raies de deuxième émission positive du spectre d'émission de l'azote moléculaire afin de filtrer la lumière provenant dudit objet éloigné. Une lentille associée fonctionnellement au filtre optique forme une image de l'objet éloigné, ladite lentille ayant une forte transmissivité dans le spectre ultraviolet.

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