Laser ablation cell

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United States of America Patent

PATENT NO 9922811
SERIAL NO

14779133

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Abstract

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A laser ablation cell (1) comprises a flow channel (11) having an essentially constant cross-sectional area so as to ensure a strictly laminar flow in the flow channel. A sample chamber (21) is provided adjacent to a lateral opening (14) of the flow channel. A laser beam (41) enters the sample chamber (21) through a lateral window (16) and impinges on a surface (24) of a sample (23) to ablate material from the sample. The sample may be positioned in such a distance from the flow channel that the laser-generated aerosol mass distribution has its center within the flow channel. This leads to short aerosol washout times. The laser ablation as cell is particularly well suited for aerosol generation in inductively coupled plasma mass spectrometry (ICPMS), including imaging applications.

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Patent Owner(s)

  • ETH ZURICH;PAUL SCHERRER INSTITUT

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grolimund, Daniel Fulenbach, CH 42 734
Gunther, Detlef Zurich, CH 6 24
Wang, Hao Zurich, CH 795 5610

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