A TEA CO2 laser with a peak radiation power of 100 MW |
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| Authors: | M V Ivashchenko A I Karapuzikov A N Malov I V Sherstov |
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| Affiliation: | (1) Institute of Laser Physics, Siberian Division, Russian Academy of Sciences, pr. Akademika Lavrent’eva 13/3, 630090 Novosibirsk, Russia |
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| Abstract: | A high-power pulse-periodic TEA CO2 laser is used as a component of a long-range mobile differential absorption lidar. In order to reach the ultimate peak generation
power, a system for laser excitation with a supply voltage of ±40 kV and efficient preionization was developed, allowing the
laser to operate at high pressures of gas mixtures of various compositions. Energy, time, and spatial characteristics of laser
radiation were studied. Laser pulses with an energy of >10 J and FWHM duration of ≈30 ns were obtained. The ultimate peak
laser radiation power is 100 MW, and the maximum efficiency with respect to the discharge-consumed energy is 12.6%. |
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