Simultaneously Time- And Space-Resolved Spectroscopic Characterization Of Laser-Produced Plasmas

G Charatis; B.K. F Young; Gar E Busch; C J Cerjan; VV H Goldstein; A L Osterheld; T W Phillips; M D Rosen; R E Stewart; R S Walling

doi:10.1117/12.965134

11 July 1988 Simultaneously Time- And Space-Resolved Spectroscopic Characterization Of Laser-Produced Plasmas

G Charatis, B.K. F Young, Gar E Busch, C J Cerjan, VV H Goldstein, A L Osterheld, T W Phillips, M D Rosen, R E Stewart, R S Walling

Author Affiliations +

Proceedings Volume 0913, High Intensity Laser-Matter Interactions; (1988) https://doi.org/10.1117/12.965134
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

The CHROMA laser facility at KMS Fusion has been used to irradiate a variety of microdot targets. These include aluminum dots and mixed bromine dots doped with K-shell (magnesium) emitters. Simultaneously time-and space-resolved K-shell and L-shell spectra have been measured and compared to dynamic model predictions. The electron density profiles are measured using holographic interferometry. Temperatures, densities, and ionization distributions are determined using K-shell and L-shell spectral techniques. Time and spatial gradients are resolved simultaneously using three diagnostics: a framing crystal x-ray spectrometer, an x-ray streaked crystal spectrometer with a spatial imaging slit, and a 4-frame holographic interferometer. Significant differences have been found between the interferometric and the model-dependent spectral measurements of plasma density. Predictions by new non-stationary L-shell models currently being developed are also presented.

Citation Download Citation

G Charatis, B.K. F Young, Gar E Busch, C J Cerjan, VV H Goldstein, A L Osterheld, T W Phillips, M D Rosen, R E Stewart, and R S Walling "Simultaneously Time- And Space-Resolved Spectroscopic Characterization Of Laser-Produced Plasmas", Proc. SPIE 0913, High Intensity Laser-Matter Interactions, (11 July 1988); https://doi.org/10.1117/12.965134

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