Effects of the gas flow rate and the circuit parameters of the spark gap side on characteristics of L C inversion TE N2 laser

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Abstract
Design criteria for a N2 laser with LC inversion excitation circuit are theoretically and experimentally described. Lower resistance, depending on the spark gap pressure, gave higher energy, while the inductance was independent of it. Laser energy increased with higher gas flow rate and was saturated at rates over 10 l/min. Other experimental relationships between pulse width, gas flow rate, energy, and repetition rate are described. Typically, an energy of 4.6 mJ, a peak power of 700 kW, a pulse width of 6.6 ns, and an efficiency of 0.18% was obtained at a repetition rate of 0.4 pps, a gas flow rate 10 l/min, and a voltage of 15 kV. For a higher repetition rate of 10 pps the parameters were 3 mJ, 400 kW, 7.5 ns, and 0.12%, respectively.

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