Láser de CO₂ Excitado Capacitivamente con Radio Frecuencia de 450 kHz (CO₂ Laser Capacitive-excited with Radio Frequency of 450 kHz)

Jesus Y. Montiel-Perez (yalja@ipn.mx), Jose M. de la Rosa-Vazquez (mdelaros@ipn.mx)

Seccion de Estudios de Posgrado e Investigacion de la Escuela Superior de Ingenieria Mecanica y Electrica del Instituto Politecnico Nacional, Ciudad de Mexico, Mexico.
This paper appears in: Revista IEEE América Latina

Publication Date: Dec. 2005
Volume: 3,   Issue: 5 
ISSN: 1548-0992

The present work described the build and characterization of a CO2 laser excited with a capacitive electric discharge of radio frequency of 450 kHz. The system used two external electrodes cooled with water and the discharge is product in a gas flow of 75 m/s, with a mixture gas of CO2:N2:He with proportion of 1:10.2:11.5 and 45 mbar of pressure. The discharge tube is of 22 mm of internal diameter (1.5 mm of wall), and a maximal supply power of 1.3 kW with a voltage discharge of 3.4 kV and a current of 700 mA, as well as a optic power of 22 W of 10.6 mm wavelength. Radiation is obtained in the E/N interval of 7X10-15 a 1.2X10-15 V*cm2.

Index Terms:
Excitation of lasers with RF, impedance matching, lasers of CO2, transversely excited lasers.   

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