Pulsed laser sampling for mass spectrometer system

Details Pulsed laser sampling for mass spectrometer system Pulsed laser sampling for mass spectrometer system

H - Electricity

01

J

H01J 49/16 (2006.01) H01J 49/04 (2006.01)

Patent

CA 2409166

A mass spectrometer system comprising a laser and a mass spectrometer. The mass spectrometer has a vacuum interface that provides entrance of a gaseous sample into an extraction region of the mass spectrometer. The laser is positioned to provide laser light incident on a sample non-gaseous substance positioned adjacent the vacuum interface. The laser light provides vaporization of the sample, which provides a high concentration of gaseous molecules from the sample substance at the vacuum interface.

L'invention concerne un système de spectromètre de masse constitué d'un laser et d'un spectromètre de masse. Le spectromètre de masse possède une interface sous vide permettant l'entrée d'un échantillon gazeux dans une zone d'extraction du spectromètre de masse. Le laser est positionné de manière à permettre l'incidence de la lumière laser sur un échantillon de substance non gazeux positionné à proximité de l'interface sous vide. La lumière laser permet la vaporisation de l'échantillon, lequel offre une concentration élevée de molécules gazeuses de la substance d'échantillon à l'interface sous vide.

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