Phase-resolved measurement of electric charge deposited by an atmospheric pressure plasma jet on a dielectric surface

Wild, R. J.; Gerling, Torsten; Bussiahn, R.; Weltmann, K.‐D.; Stollenwerk, L.

doi:10.1088/0022-3727/47/4/042001

Cited by 55 publications

(50 citation statements)

References 9 publications

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“…Especially in the case of plasma jets, the "effluent" that interacts with the surface is not identical with the "core" plasma in the ignition zone. During the ignition phase, a discharge is formed between the electrodes and afterward emitted with a high electric field in form of a bullet into the surrounding air and onto the target [5][6][7][8]. One important value for the comparison of different plasma sources is the input power [9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Power measurement for an atmospheric pressure plasma jet at different frequencies: distribution in the core plasma and the effluent

Gerling

Brandenburg

Wilke

et al. 2017

Eur. Phys. J. Appl. Phys.

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Abstract. The characterization of electrical power distribution in an atmospheric pressure plasma jet operated at six different frequencies is investigated by measurement of input power and voltage-charge plots for the core plasma and the plasma in the effluent. The frequency change is further characterized by measuring the temperature in the effluent at different positions and input power levels. The power input into the core plasma is limited to about 1 W for a wide range of frequencies while the total input power and thus the power input into the effluent increases continuously with frequency.

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Section: Introductionmentioning

confidence: 99%

Power measurement for an atmospheric pressure plasma jet at different frequencies: distribution in the core plasma and the effluent

Gerling

Brandenburg

Wilke

et al. 2017

Eur. Phys. J. Appl. Phys.

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“…This may have influence on the size and duration of current pulses and the velocity of ionization waves. Finally, the presence of an additional electrode used for current measurement in the case of CAPJ II might also influence the development of ionization waves and electric field distribution in the formed plasma channel as shown in several papers . However, the electrode used in the present study was at least 1 cm away from the tip of the visible plasma jet, and charge transfer to this electrode can be considered negligible.…”

Section: Resultsmentioning

confidence: 99%

Comparison of two cold atmospheric pressure plasma jet configurations in argon

Jõgi

Talviste

Raud

et al. 2020

Contributions to Plasma Physics

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The present study compares the operation of two cold atmospheric plasma jet (CAPJ) configurations: needle‐to‐cylinder electrode configuration (CAPJ I) and single high‐voltage cylinder electrode around the quartz tube (CAPJ II). The CAPJs were operated in argon flowing through a quartz capillary with 0.5‐mm inner diameter into the ambient air, and the plasma was generated by sinusoidal kHz frequency AC power supplies. The main emphasis of the study was on the mechanism of the initiation of ionization waves for these two configurations. For both CAPJs, there appeared several ionization waves during one half‐period of the applied voltage waveform, and the number of ionization waves increased at higher voltage amplitudes. However, we discovered marked differences in the initiation of the ionization waves for two different CAPJ configuration. The applied voltage controlled the initiation of consecutive ionization waves, which propagated from the grounded electrode towards the tube orifice in CAPJ I. In the case of CAPJ II, certain time had to pass for the initiation of a new ionization wave, and subsequent ionization waves within the same half‐period started at the tube orifice. In addition to the differences in the initiation of the ionization waves, we observed that the CAPJ I was ignited and sustained at lower voltages, while CAPJ II produced a longer plasma jet. The observed advantages and deficiencies of investigated CAPJ configurations point out their potential in different applications.

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“…Sobota et al [15] used a method based on the Pockels technique on a birefringent dielectric material [Bi 12 SiO 20 (BSO) crystal] and measured a maximum field of 11 kV/cm. Using a similar technique, Wild et al [16] measured the phaseresolved charge collection on a dielectric material when touched by a plasma plume driven by sinusoidal high voltages. They measured charge density maxima in 2-4 nC/cm 2 [16].…”

Section: Resultsmentioning

confidence: 99%

“…Using a similar technique, Wild et al [16] measured the phaseresolved charge collection on a dielectric material when touched by a plasma plume driven by sinusoidal high voltages. They measured charge density maxima in 2-4 nC/cm 2 [16]. It is therefore our conclusion that, via capacitive coupling, the ionization wave can be transmitted through a dielectric barrier to generate a discharge on the back side of the barrier, under proper conditions.…”

Section: Resultsmentioning

confidence: 99%

Indirect Generation of a Large-Volume Diffuse Plasma by an Ionization Wave From a Plasma Jet

Laroussi

Razavi

2015

IEEE Trans. Plasma Sci.

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Phase-resolved measurement of electric charge deposited by an atmospheric pressure plasma jet on a dielectric surface

Cited by 55 publications

References 9 publications

Power measurement for an atmospheric pressure plasma jet at different frequencies: distribution in the core plasma and the effluent

Power measurement for an atmospheric pressure plasma jet at different frequencies: distribution in the core plasma and the effluent

Comparison of two cold atmospheric pressure plasma jet configurations in argon

Indirect Generation of a Large-Volume Diffuse Plasma by an Ionization Wave From a Plasma Jet

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