Discharge impedance variations in large area radio frequency excited CO2 lasers

Year: 1997

Authors: Lapucci A., Rossetti F., Mascalchi S., Ringressi R.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy

Abstract: Some results from a systematic study on the impedance matching conditions and on the longitudinal power distributions in planar rf discharges for CO2 lasers, are given. They show that both plasma impedance and voltage distribution are different in cw and pulsed discharge modes revealing the importance of parameters such as the interelectrode temperature distribution and the local gas density and composition. These parameters have to be taken into account when designing matching networks and voltage smoothing schemes. (C) 1997 American Institute of Physics.

Journal/Review: APPLIED PHYSICS LETTERS

Volume: 71 (14)      Pages from: 1933  to: 1935

KeyWords: Continuous wave lasers; Laser beams; Laser modes; Laser optics; Laser produced plasmas; Laser pulses; Quantum electronics, Impedance matching; Plasma impedance; Plasma resistance; Pulsed discharge modes, Carbon dioxide lasers
DOI: 10.1063/1.119985

Citations: 5
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