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

B. K.F. Young; R. E. Stewart; M. D. Rosen; G. Charatis; Gar E. Busch

doi:10.1117/12.965013

4 February 1988 Simultaneously Time- And Space-Resolved Characterization Of. Laser-Produced Plasmas

B. K.F. Young, R. E. Stewart, M. D. Rosen, G. Charatis, Gar E. Busch

Proceedings Volume 0831, X-Rays from Laser Plasmas; (1988) https://doi.org/10.1117/12.965013
Event: 31st Annual Technical Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, San Diego, CA, United States

Abstract

We report a new diagnostic technique that allows us to measure simultaneously time- and space-resolved x-ray spectra of high-powered laser-produced plasmas. The simultaneously time- and space-resolved x-ray spectra were measured using a multiframe, electrically-gated, imaging x-ray spectrometer with 100 ps time resolution, and an x-ray streaked crystal spectrograph with a spatial imaging slit. A 4-frame holographic interferometer was used to measure the electron density profiles of the plasma. All three instruments were run simultaneously and allow for the first direct comparison of electron density spatial profiles determined via interferometry and spatially-resolved emission spectra from the plasma at the same instant in time. The CHROMA laser facility at KMS Fusion has been used to irradiate a variety of microdot targets. These targets include aluminum and magnesium microdots as well as targets consisting of a mixture of bromine and magnesium. Preliminary comparison between density and temperature profiles derived from line-intensity-ratio techniques and determined from holographic interferometry and free-bound continuum measurements are presented.

Citation Download Citation

B. K.F. Young, R. E. Stewart, M. D. Rosen, G. Charatis, and Gar E. Busch "Simultaneously Time- And Space-Resolved Characterization Of. Laser-Produced Plasmas", Proc. SPIE 0831, X-Rays from Laser Plasmas, (4 February 1988); https://doi.org/10.1117/12.965013

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