Diagnostics of x-ray laser plasmas (Invited Paper)

Hector A. Baldis; Bruno LaFontaine; James Dunn; G. D. Enright; David M. Villeneuve; Mordecai D. Rosen; Dennis L. Matthews

doi:10.1117/12.134813

5 February 1992 Diagnostics of x-ray laser plasmas (Invited Paper)

Hector A. Baldis, Bruno LaFontaine, James Dunn, G. D. Enright, David M. Villeneuve, Mordecai D. Rosen, Dennis L. Matthews

Author Affiliations +

Proceedings Volume 1551, Ultrashort Wavelength Lasers; (1992) https://doi.org/10.1117/12.134813
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

Thomson scattering, X-ray diagnostics and optical interferometry are employed to characterize both collisionally excited and recombination X-ray laser plasmas. Spatially and time-resolved Thomson scattering spectra from carbon plasmas provide the electron and ion temperatures, which are compared with hydrodynamic computer modelling. The electron density is inferred from the recorded interferograms. Time-integrated X-ray spectra in the keV range are used to characterize very precisely the optimum irradiance conditions for lasing in Ne-like germanium plasmas. Also, electron temperatures obtained with the 5C/4C line ratio, assuming a PLTE model, are compared to Thomson scattering results.

Citation Download Citation

Hector A. Baldis, Bruno LaFontaine, James Dunn, G. D. Enright, David M. Villeneuve, Mordecai D. Rosen, and Dennis L. Matthews "Diagnostics of x-ray laser plasmas (Invited Paper)", Proc. SPIE 1551, Ultrashort Wavelength Lasers, (5 February 1992); https://doi.org/10.1117/12.134813

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