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UBC Theses and Dissertations

A parametric study of a transverse gas flow TEA CO2 laser Laidley, Thomas Edward


A transverse gas flow TEA C0₂ laser has been constructed and the use of a perforated hollow rod to serve simultaneously as the cathode of the discharge and the gas inlet vessel was successfully demonstrated. The electrical efficiency of the laser is typically 3% with peak powers of 40 kw being emitted on the P(20), P(18) and P(16) lines of the C0₂ spectrum. A parametric study of peak power, gas pressure, gas composition, time delay of the laser pulse and the interdependence of these quantities was undertaken.

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