Measurement of the main neutral species densities and temperatures in iodine plasmas using optical absorption techniques
Benjamin Esteves,
Christophe Blondel,
Pascal Chabert
et al.
Abstract:Iodine is a promising propellant for future plasma thrusters used in space propulsion. It is therefore important to understand the basic physics and chemistry of low pressure iodine plasma plasmas. In the present work, optical absorption methods are used to measure the densities of iodine molecules, I2, and iodine atoms, I, the translational temperature of the atoms and the dissociation fraction. The plasma is generated in a long quartz tube by a capacitively coupled RF discharge, and the pressure is varied be… Show more
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