Abstract:The evolution of the light emission from the plasma, which is formed to release the microwave energy from the S-band pulse compressor, was studied using fast-frame (2 ns) optical imaging with a 4QuikE intensified camera. The compressor comprised a cavity filled with pressurized air at up to 3⋅10 5 Pa pressure and an H-plane waveguide tee as an interference switch; it generated output pulses of ~8 ns duration and up to 7.4 MW peak power in 2.766 GHz frequency. The plasma discharge in the switch was triggered by… Show more
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