Runtime and jitter of a laser triggered gas switch

Hutsel, B. T.

doi:10.32469/10355/5783

Cited by 1 publication

(1 citation statement)

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“…Runtime and jitter is currently being studied on a Rimfire switch [10] driven with the Tiger pulsed power machine [11]. Tiger consists of a 32 capacitor Marx bank capable of being charged to +/-100 kV per capacitor.…”

Section: Tiger Pulsed Power Machinementioning

confidence: 99%

Effects of Laser Triggering Parameters on Runtime and Jitter of a Gas Switch

Hutsel

Kovaleski

Sullivan

et al. 2009

IEEE Trans. Dielect. Electr. Insul.

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Parameters affecting the runtime and jitter of a laser triggered gas switch have been studied. Experiments tested a variety of switch parameters including percentage of selfbreak and switch pressure. The effects of laser beam parameters were also considered, including focal length, laser energy, laser spark length, and laser wavelength. Experiments were performed on the Tiger pulsed power machine. Measurements were taken on a spark gap switch built from the trigger section of a Rimfire switch. A Marx bank consisting of 32, 3.1 uF, capacitors that fed into a 7 nF intermediate storage capacitor was used to drive the switch into a 4 Ω resistive load. The test switch was pressurized to 306 kPa (30 psig) with SF 6 and operated near 1 MV. A New Wave Tempest Nd:YAG laser was used to trigger breakdown of the switch. The laser was focused at the mid-gap between the switch electrodes using lenses with focal lengths between 30 cm and 100 cm. Focused laser energy in the switch ranged from <5 mJ to 80 mJ. The effects of switch and laser beam parameters on the runtime and jitter of a laser triggered gas switch are presented. The end goal of the research is to determine optimal conditions for improved switch performance.

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Section: Tiger Pulsed Power Machinementioning

confidence: 99%