A Waxicon Mirror-Electrode for Laser Initiated Discharge Channels.
MICHIGAN UNIV ANN ARBOR LASER PLASMA RESEARCH LAB
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A reflecting waxicon compound axicon has been demonstrated to generate a smooth CO2 laser-induced breakdown plasma in atmospheric pressure air. The protruding central cone of the waxicon also functions as an electrode for 30 kV laser initiated discharges. The waxicon mirror-electrode has several advantages over conventional focusing systems for laser initiated discharges in unfiltered air 1 Smoother laser induced breakdown plasma, 2 Concentration of laser energy deposition in the plasma near the tip electrode, 3 More compact laser initiated discharge experiments since long focal length lenses or mirrors are not required, and 4 A self contained focusing system - electrode for laser triggered switches.
- Physical Chemistry
- Lasers and Masers