A review is presented of recent developments in a new group of high-power hollow-electrode switches, including the pseudospark and the backlighted thyratron (BLT). Experiments demonstrate that for several key high-power switching performance factors, the pseudospark and BLT switches are superior to either high-pressure spark gap switches or thyratrons or, in some cases, both. High performance has been demonstrated in peak current (<100 kA), current rate of rise (<10/sup 12/ A/s), switching precision, trigger efficiency, current reversal (100%), and recovery time. Several electrical and optical trigger methods have been demonstrated and are described.
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机译：综述了一组新的高功率空心电极开关的最新发展，包括伪火花和背光晶闸管（BLT）。实验表明，对于几个关键的大功率开关性能因素，伪火花开关和BLT开关优于高压火花隙开关或晶闸管，或者在某些情况下两者均优于。在峰值电流（<100 kA），电流上升速率（<10 / sup 12 / A / s），开关精度，触发效率，电流反转（100％）和恢复时间方面已展示出高性能。已经证明并描述了几种电触发和光触发方法。
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