Rotational temperature determination in a nitrogen plasma torch by molecular spectroscopy

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Published 5 December 2008 2008 The Royal Swedish Academy of Sciences
, , Citation J Ruiz-Camacho and R Castell 2008 Phys. Scr. 2008 014016 DOI 10.1088/0031-8949/2008/T131/014016

1402-4896/2008/T131/014016

Abstract

Measurements of the rotational temperature of molecular nitrogen by emission spectroscopy were performed in a dc plasma torch of non-transferred arc operating at three different output powers. The band (0, 1) of the first negative system of N2+ () for the R branch was selected for these studies.

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10.1088/0031-8949/2008/T131/014016