Title of article
Millimeter wave spectroscopy in a pulsed supersonic slit nozzle discharge
Author/Authors
Linnartz، نويسنده , , H. and Motylewski، نويسنده , , T. and Maiwald، نويسنده , , F. and Roth، نويسنده , , D.A. and Lewen، نويسنده , , F. and Pak، نويسنده , , I. and Winnewisser، نويسنده , , G.، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 1998
Pages
5
From page
188
To page
192
Abstract
A Doppler-free technique for direct absorption spectroscopy of rotationally cold molecular ions in the millimeter wave range is presented. The method uses a double modulation technique, based on a simultaneous modulation of a frequency doubled microwave sweeper and a pulsed slit nozzle, incorporating a discharge in a high-pressure supersonic expansion. The performance is demonstrated with the observation of the hyperfine structure of the J=2←1 pure rotational transition of N2H+. Further perspectives of the method are discussed.
Journal title
Chemical Physics Letters
Serial Year
1998
Journal title
Chemical Physics Letters
Record number
1774639
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