Effect of a strong axial magnetic field in the plasma recombination and extreme ultraviolet emission from a highly-ionized capillary discharge Marconi, Mario Carlos ; Rocca, Jorge J. ; Schmerge, John F. ; Villagran, Mayo ; Lehmann, Frank J. "This work was supported by the National Science Foundation under Grant ECS-8606226 and the National Science Foundation under a Presidential Young Investigator Award granted to J. J. Rocca, M. C. Marconi was supported by the Universidad de Buenos Aires and the Consejo Nacional de Investigaciones Cientificas y Tecnicas de la Republica Argentina." The effect of an externally-applied 70-100 kG axial magnetic field in the temporal evolution of the extreme ultraviolet emission from a 500 μm diameter highly-ionized LiH capillary discharge has been studied. In the absence of external magnetic confinement, strong emission from ionic transitions excited by collisional recombination is observed at the end of the current pulse. The externally-applied magnetic field is observed to reduce the intensity of the recombination lines by decreasing the rate of plasma cooling by electron heat conduction to the capillary walls. In contrast, the self-generated magnetic field of the discharge aids to the generation of an initially hot plasma, and allows rapid conduction cooling at the end of the current pulse. The results are discussed in relation to a proposed capillary-discharge-excited extreme ultraviolet recombination laser scheme. Colorado State University. Libraries 1990 text ; image application/pdf ECEmcm00011.pdf FACFECEN100423ARTI eng c1990 IEEE
Effect of a strong axial magnetic field in the plasma recombination and extreme ultraviolet emission from a highly-ionized capillary discharge
Marconi, Mario Carlos ; Rocca, Jorge J. ; Schmerge, John F. ; Villagran, Mayo ; Lehmann, Frank J.
"This work was supported by the National Science Foundation under Grant ECS-8606226 and the National Science Foundation under a Presidential Young Investigator Award granted to J. J. Rocca, M. C. Marconi was supported by the Universidad de Buenos Aires and the Consejo Nacional de Investigaciones Cientificas y Tecnicas de la Republica Argentina."
The effect of an externally-applied 70-100 kG axial magnetic field in the temporal evolution of the extreme ultraviolet emission from a 500 μm diameter highly-ionized LiH capillary discharge has been studied. In the absence of external magnetic confinement, strong emission from ionic transitions excited by collisional recombination is observed at the end of the current pulse. The externally-applied magnetic field is observed to reduce the intensity of the recombination lines by decreasing the rate of plasma cooling by electron heat conduction to the capillary walls. In contrast, the self-generated magnetic field of the discharge aids to the generation of an initially hot plasma, and allows rapid conduction cooling at the end of the current pulse. The results are discussed in relation to a proposed capillary-discharge-excited extreme ultraviolet recombination laser scheme.
Colorado State University. Libraries
1990
text ; image
application/pdf
ECEmcm00011.pdf
FACFECEN100423ARTI
eng
c1990 IEEE