Multi-channel slab CO2 laser excitation with resonant cavities |
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Authors: | WD Bilida JD Strohschein HJJ Seguin CE Capjack |
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Institution: | The authors are in the Department of Electrical Engineering, University of Alberta, Edmonton, Alberta, Canada T6G 2G7 |
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Abstract: | A unique way of driving a multi-channel RF excited slab laser is presented. Resonant cavity techniques are employed to provide high power splitting and impedance transformation. Uniform and isolated power division was observed in eight discharge channels, stacked in a radial array, referred to as the Zodiac geometry. Impedance matching networks were not necessary as the RF cavity splitter creates a near ideal voltage source capable of driving any impedance. With 8 out of the 24 electrodes driven in the radial array, optical powers in excess of 1.2 kW have been observed at efficiencies of 12%. |
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Keywords: | resonant cavities multi-channel slabs lasers (CO2) |
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