UV Laser Diagnostics of the 1-MA Z-pinch Plasmas.

Autor: Altemara, S. D., Ivanov, V. V., Astanovitskiy, A. L., Haboub, A.
Předmět:
Zdroj: AIP Conference Proceedings; 1/21/2009, Vol. 1088 Issue 1, p101-104, 4p, 2 Black and White Photographs, 1 Diagram
Abstrakt: The 532 nm laser diagnostic set at the Zebra generator shows the details of the ablation and stagnation phases in cylindrical, planar, and star-like wire arrays but it cannot show the structure of the stagnated z-pinch and the implosion in small diameter loads, 1–3 mm in diameter. The absorption increment and the refraction angle of the 532 nm laser, when passing through the plasma, are too great to obtain quality images. An ultraviolet probing beam at the wavelength of 266 nm was developed to study small-diameter loads and to investigate the structure of the 1-MA z-pinch. The UV radiation has a much smaller absorption increment and refraction angles in plasmas than the 532 nm light and allows for better imaging of the z-pinch plasmas. Estimates showed that UV probing would be able to probe the high-density z-pinch plasma in experiments on the Zebra generator, and the early results of UV probing on the Zebra generator have shown promise. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index