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XUV emission from an elongated plasma column produced using a high-power laser with a gas puff target

Published online by Cambridge University Press:  09 March 2009

Henryk Fiedorowicz ,
Andrzej Bartnik ,
Mirosław Szczurek ,
Ernst Fill ,
Yuelin Li  and
Georg Pretzler
Henryk Fiedorowicz
Affiliation:
Institute of Optoelectronics, Military University of Technology, 2, Kaliskiego Str., 01–489 Warsaw, Poland
Andrzej Bartnik
Affiliation:
Institute of Optoelectronics, Military University of Technology, 2, Kaliskiego Str., 01–489 Warsaw, Poland
Mirosław Szczurek
Affiliation:
Institute of Optoelectronics, Military University of Technology, 2, Kaliskiego Str., 01–489 Warsaw, Poland
Ernst Fill
Affiliation:
Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Str. 1, D-85748 Garching, Germany
Yuelin Li
Affiliation:
Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Str. 1, D-85748 Garching, Germany
Georg Pretzler
Affiliation:
Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Str. 1, D-85748 Garching, Germany
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Abstract

We report the first studies on the formation of an elongated plasma column suitable for X-ray laser experiments, using a gas puff target irradiated with a high-power laser. The gas puff targets, produced by pulsed injection of a small amount of gas from a high-pressure solenoid valve through a nozzle in the form of a slit, have been characterized by optical interferometry and X-ray backlighting. The formation of a hot plasma column up to 30-mm-long is demonstrated. The spatial uniformity of the column was monitored by means of an X-ray pinhole camera. XUV spectra measurements for SF6 gas puff targets show predominant 3–2 line of hydrogenic fluorine (λ = 8.1 nm), however, only linear increasing of its intensity with the target length was observed.

Type
Regular Papers
Information
Laser and Particle Beams , Volume 14 , Issue 2 , June 1996 , pp. 253 - 260
Copyright
Copyright © Cambridge University Press 1996

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