LASER-FIBER OPTIC BREAKDOWN OF A PULSE CHARGED 90% Ar-10% N2 GAS SWITCHReportar como inadecuado




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Abstract : Precise laser initiation of the breakdown in a pulse charged gas switch is described. A novel feature is the transport of the 40 ns triggering laser pulse through a 1.5 m long 1 mm diameter optical fiber. Optimization of gas breakdown characteristics was necessary as a result of the limited power transported through the fiber. Low, nanosecond delay and jitter were achieved at reduced fields approaching 180 V-cm-Torr in the overvolted gas gap through the use of 90% argon-10% nitrogen gas mixtures. The influence of laser power, gas mixture, focal point location, pressure, time of laser insertion etc. on switch performance is presented.





Autor: L. Hatfield H. Harjes M. Kristiansen A. Guenther K. Schönback

Fuente: https://hal.archives-ouvertes.fr/



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