Generation of ultrahigh frequency air microplasma in a magnetic loop and effects of pulse modulation on operation

An atmospheric pressure air microplasma (APAMP) source was developed under ambient conditions using a magnetic loop at an operating frequency of 740 MHz. A self-igniting, stable APAMP was generated at 9.5 W. Pulse modulation (PM) was applied to the ultra high frequency signal. The effects of PM on s...

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Bibliographic Details
Published in:Applied physics letters 2010-05, Vol.96 (19)
Main Authors: Taghioskoui, Mazdak, Perlow, Joshua, Zaghloul, Mona, Montaser, Akbar
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
AIR
ATMOSPHERIC PRESSURE
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
FLUIDS
FREQUENCY RANGE
GASES
KHZ RANGE
KHZ RANGE 01-100
MHZ RANGE
MHZ RANGE 100-1000
MODULATION
PLASMA
PULSES
SIGNALS
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Summary:An atmospheric pressure air microplasma (APAMP) source was developed under ambient conditions using a magnetic loop at an operating frequency of 740 MHz. A self-igniting, stable APAMP was generated at 9.5 W. Pulse modulation (PM) was applied to the ultra high frequency signal. The effects of PM on self-ignition and operation of the APAMP source were studied by using a square wave modulating signal in the frequency range of 5–30 KHz. With the application of PM on the APAMP, in the best case, the plasma self-ignites and is sustained at 2.5 W.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.3429093