MODELING OF OPTICAL FIBER SENSORS FOR REFRACTIVE INDEX, PH, AND TEMPERATURE MEASUREMENT, USING SURFACE PLASMON RESONANCE PHENOMENON

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Self-organization in dc glow microdischarges in krypton: modelling and experiments

Publication . Zhu, W.; Niraula, P.; Almeida, P. G. C.; Benilov, M. S.; Santos, D. F. N.

Self-organized patterns of cathodic spots have been observed in microdischarges operated in xenon, but not in other gases. However, modelling has indicated that it is, in principle, possible to observe the patterns of spots in discharges operated in other gases provided that experimental conditions, in particular pressure, are right. In this work, self-organized patterns of cathodic spots are for the first time observed in dc glow microdischarges operated in a gas other than xenon: krypton. The experiments have been guided by the modelling. According to both the experiment and the modelling, patterns in krypton are similar to those found earlier in xenon, however occur at higher pressures.

2014Journal article

Open access

Funding agency

Fundação para a Ciência e a Tecnologia

Funding programme

OE

Funding Award Number

SFRH/BD/85068/2012