Investigation Of Nanosecond Development Of Surface Discharge Phenomena

H. M. Von Bergmann

doi:10.1117/12.975544

1 September 1987 Investigation Of Nanosecond Development Of Surface Discharge Phenomena

H. M. Von Bergmann

Proceedings Volume 0674, 17th Intl Congress on High Speed Photography and Photonics; (1987) https://doi.org/10.1117/12.975544
Event: 17th International Conference on High Speed Photography and Photonics, 1986, Pretoria, South Africa

Abstract

The formation, distribution and spectral properties of nanosecond surface corona discharges have been investigated. The discharges were initiated by fast-rising voltage pulses CdU/dt > 5x10¹² V/s) in atmospheric' pressure air and nitrogen. Time-resolved measurements using sensitive photographic and photomultiplier techniques have shown that surface corona discharges can be established on the nanosecond time scale and can be distributed uniformly over large areas. Propagation speeds of up to 10⁷ m/s have been measured. Spectrally resolved measurements show enhanced light emission at vacuum uv wavelengths below 140 nm. Due to these unique properties surface corona discharges can be used in applications such as large-area plasma electrodes and uv preionisation sources for high-pressure gas discharge lasers, nanosecond light sources for spectroscopy and high-speed photography as well as in multichannel surface discharge switches for low-inductance high-voltage switching.

Citation Download Citation

H. M. Von Bergmann "Investigation Of Nanosecond Development Of Surface Discharge Phenomena", Proc. SPIE 0674, 17th Intl Congress on High Speed Photography and Photonics, (1 September 1987); https://doi.org/10.1117/12.975544

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