A novel device for spectrochemical analysis based on a combination of LIBS and a hollow cathode discharge

S. Karatodorov, V. Steflekova, V. Mihailov, D. Mihailova, J. van Dijk, J. van der Mullen, M. Grozeva

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Abstract

A new modified analytical scheme of laser ablation-hollow cathode discharge (LA- HCD) for elemental analysis is reported. The novelty is the use of a hollow cathode with a longitudinal slit. This slit enables registration of the axial species distribution in the discharge and decoupling of the laser and the analytical signals. In this paper preliminary experiments on the modified LA-HCD set-up are reported. The improved analytical performance of the new LA-HCD scheme is demonstrated by comparing it to stand-alone laser induced breakdown spectroscopy. The results of the modified LA-HCD technique show enhancement of the excitation efficiency.

Original languageEnglish
Article number012009
Number of pages4
JournalJournal of Physics: Conference Series
Volume715
Issue number1
DOIs
Publication statusPublished - 17 May 2016
Event5th International Workshop & Summer School on Plasma Physics (IWSSPP 2012)
- Kiten, Bulgaria
Duration: 25 Jun 201230 Jun 2012
Conference number: 5

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