Magnetic pulse compressor using saturable transformer to excite excimer lasers

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Abstract
To reduce the load on switching elements in the excitation circuit of excimer lasers, a new circuit has been developed to study the basic characteristics, where a saturable transformer is utilized in the magnetic pulse compressor. We have used a saturable transformer with a winding ratio of 1:4. The initial pulse of 8.5 kV, 2.0 kA, 3 μs was transferred to the output pulse of 34 kV, 8 kA, 109 ns, with an energy‐transfer efficiency of 58%. Using a saturable inductor as a charging inductor, furthermore, we have succeeded in reduction of the prepulse of the output voltage and enhancement of the energy‐transfer efficiency.