Application of high-speed photography methods to the studies of the plasma sheath structure in plasma-focus phenomenon

Krzysztof J. Tomaszewski; Jacek Kaczmarczyk; Marian Paduch; Ewa Zielinska

doi:10.1117/12.575269

17 March 2005 Application of high-speed photography methods to the studies of the plasma sheath structure in plasma-focus phenomenon

Krzysztof J. Tomaszewski, Jacek Kaczmarczyk, Marian Paduch, Ewa Zielinska

Author Affiliations +

Proceedings Volume 5580, 26th International Congress on High-Speed Photography and Photonics; (2005) https://doi.org/10.1117/12.575269
Event: 26th International Congress on High-Speed Photography and Photonics, 2004, Alexandria, Virginia, United States

Abstract

This paper presents the two methods enabling to determine distributions of electron density and/or electron temperature of the plasma sheath originating in plasma-focus phenomenon. These methods are based on theoretical considerations and processing of experimental results taken by means of high-speed frame photography in narrow band of visible spectrum and multi-frame laser interferometry. Both high-speed photography subsystems can operate simultaneously with sub nanosecond accuracy and allow recording frame sequence of plasma with temporal resolution of about 1 ns and spatial resolution of about 0.1 mm. They are also equipped with digital readout. The detailed explanations and considerations concerning presented methods are exemplified by results obtained in experimental investigations.

Citation Download Citation

Krzysztof J. Tomaszewski, Jacek Kaczmarczyk, Marian Paduch, and Ewa Zielinska "Application of high-speed photography methods to the studies of the plasma sheath structure in plasma-focus phenomenon", Proc. SPIE 5580, 26th International Congress on High-Speed Photography and Photonics, (17 March 2005); https://doi.org/10.1117/12.575269

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