4.5 Article

Two-dimensional optogalvanic spectroscopy

Journal

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jqsrt.2011.10.009

Keywords

Optogalvanic; Atomic spectroscopy; Laser spectroscopy; Hollow-cathode lamp; Neon

Funding

  1. Sensor and Green Chemistry Center of Excellence, Isfahan University of Technology

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In this work, the time domain of optogalvanic signal is considered as an extra dimension for the analysis of the optogalvanic spectra. A time window was used to integrate over the different time regions of the temporal OG signals for each wavelength. The method enhanced the resolution of spectra considerably so that two closed transitions, which differ only by 4 pm, were precisely separated. In addition a new transition of Neon around 640 nm masked by a transition at 640.229 nm was observed and assigned using the new method. (C) 2011 Elsevier Ltd. All rights reserved.

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