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Subnanosecond-jitter laser-triggered switching at moderate repetition rates

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2 Author(s)
Bettis, J.R. ; Air Force Weapons Lab., Kirtland AFB, New Mexico, USA ; Guenther, Arthur H.

A 50-kV laser-triggered spark gap operated at repetition rates to 50 pps is described. Jitter of delay time as low as ± 0.1 ns was demonstrated. Dependence of delay and jitter was investigated as a function of gas mixture, pressure, laser power, and electrode material. Subnanosecond jitter was obtained with as little as 0.17 mJ in a 6-ns giant pulse from a Nd+3in a YAG laser. The dielectric gases used included a high proportion of Ar mixed with N2or SF6.

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Quantum Electronics, IEEE Journal of  (Volume:6 ,  Issue: 8 )