Dependence of single-shot pulse durations on near-infrared filamentation-guided breakdown in air | Zendy

Andreas Schmitt-Sody | Zendy; Jennifer Elle | Zendy; Adrian Lucero | Zendy; Matthew Domonkos | Zendy; A. Ting | Zendy; V. Hasson | Zendy

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Dependence of single-shot pulse durations on near-infrared filamentation-guided breakdown in air

Author(s) -

Andreas Schmitt-Sody,

Jennifer Elle,

Adrian Lucero,

Matthew Domonkos,

A. Ting,

V. Hasson

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4979265

Subject(s) - filamentation , materials science , jitter , laser , pulse (music) , breakdown voltage , optics , threshold voltage , laser induced breakdown spectroscopy , electrical breakdown , voltage , optoelectronics , physics , electrical engineering , transistor , quantum mechanics , detector , dielectric , engineering

We present results of an experimental investigation of laser pulsewidth dependence of filamentation-guided high voltage breakdown in air. The experiments are conducted at laser peak power levels of 1 TW and pulse durations of 0.7 to 10 ps with a discharge gap separation of 10 cm. Synchronized electrical and optical diagnostic techniques were used to determine the pulsewidth dependence on the breakdown mechanism, threshold levels, time delays and associated jitter. The results indicate that longer pulses provide greater than 30% reduction in breakdown threshold voltage

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