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Optical diagnosis of double discharges in pulsed DBD with different barrier materials

A. S. CHIPER1,* , A. V. NASTUTA1, G. B. RUSU1, V. POHOATA1, R. CAZAN1, G. POPA1

Affiliation

  1. Plasma Physics Department, “Al. I. Cuza” University, 700506 Iasi, Romania

Abstract

The experiments were performed in a double dielectric barrier discharge in He at atmospheric pressure, in glow mode of operation and presence of the secondary discharge. The study was focused on the effect of the barrier material on the characteristics of pulsed DBD. Using emission spectroscopy and tunable diode laser absorption spectrometry, complementary information on the excited species present in the discharge have been obtained. It results that the secondary discharge preserves the main characteristics of the primary one and their amplitude is dependent on the barrier material..

Keywords

Atmospheric pressure glow discharge, Pulsed dielectric barrier discharge, Secondary discharge, Emission spectroscopy, Diode laser absorption spectrometry.

Submitted at: March 1, 2008
Accepted at: July 10, 2008

Citation

A. S. CHIPER, A. V. NASTUTA, G. B. RUSU, V. POHOATA, R. CAZAN, G. POPA, Optical diagnosis of double discharges in pulsed DBD with different barrier materials, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 8, pp. 1976-1980 (2008)