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Proceedings Paper

Pulsed-Power Driven, Photopumped X-Ray Laser Research At The Naval Research Laboratory
Author(s): J P Apruzese; R J Commisso; G Cooperstein; J Davis; G Mehlman; D Mosher; P F Ottinger; J E Rogerson; S J Stephanakis; V E Scherrer
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Paper Abstract

Resonant phOtopumping is an attractive and potentially very efficient technique for achieving x-ray lasing in plasmas. At the Naval Research Laboratory we are pursuing the realization of one of the most promising photopumped schemes wherein heliumlike sodium pumps heliumlike neon. The theoretical side of this research has revealed the conditions required for the sodium and neon plasmas to maximize the possibility of photopumped fluorescence and lasing. On the experimental side, a powerful (25 GW) z-pinch source of sodium line pumping radiation has been developed and characterized. A separate neon plasma, driven by part of the return current from the sodium-bearing plasma, has been deployed side-by-side with respect to the sodium line source at a distance of 5 cm. The presence of photopumping has been indicated in fluorescing spectra. The remaining steps toward achievement of an x-ray laser are reducing the spatial separation of the pumped and pumping plasmas and increasing the pump line power of the pumping, sodium-bearing plasma.

Paper Details

Date Published: 27 April 1988
PDF: 7 pages
Proc. SPIE 0875, Short and Ultrashort Wavelength Lasers, (27 April 1988); doi: 10.1117/12.943874
Show Author Affiliations
J P Apruzese, Naval Research Laboratory (United States)
R J Commisso, Naval Research Laboratory (United States)
G Cooperstein, Naval Research Laboratory (United States)
J Davis, Naval Research Laboratory (United States)
G Mehlman, Sachs-Freeman Associates (United States)
D Mosher, Naval Research Laboratory (United States)
P F Ottinger, Naval Research Laboratory (United States)
J E Rogerson, Naval Research Laboratory (United States)
S J Stephanakis, Naval Research Laboratory (United States)
V E Scherrer, Naval Research Laboratory (United States)

Published in SPIE Proceedings Vol. 0875:
Short and Ultrashort Wavelength Lasers
Randy C.R. Jones, Editor(s)

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