Characterization of short-pulse laser-produced plasmas at the Lawrence Livermore National Laboratory ultrashort-pulse laser

Ronnie L. Shepherd; Dwight F. Price; William E. White; Albert L. Osterheld; Rosemary S. Walling; William H. Goldstein; Richard E. Stewart; Susana Gordan

doi:10.1117/12.147569

8 July 1993 Characterization of short-pulse laser-produced plasmas at the Lawrence Livermore National Laboratory ultrashort-pulse laser

Ronnie L. Shepherd, Dwight F. Price, William E. White, Albert L. Osterheld, Rosemary S. Walling, William H. Goldstein, Richard E. Stewart, Susana Gordan

Author Affiliations +

Proceedings Volume 1860, Short-Pulse High-Intensity Lasers and Applications II; (1993) https://doi.org/10.1117/12.147569
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

The K-shell emission from porous aluminum targets is used to infer the density and temperature of plasmas created with 800 nm and 400 nm, 140 fs laser light. The laser beam is focused to a minimum spot size of 5 micrometers with 800 nm light and 3 micrometers with 400 nm light, producing a normal incidence peak intensity of 10¹⁸ Watts/cm². A new 800 fs x-ray streak camera is used to study the broadband x-ray emission. The time resolved and time integrated x-ray emission implies substantial differences between the porous target and the flat target temperature.

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Ronnie L. Shepherd, Dwight F. Price, William E. White, Albert L. Osterheld, Rosemary S. Walling, William H. Goldstein, Richard E. Stewart, and Susana Gordan "Characterization of short-pulse laser-produced plasmas at the Lawrence Livermore National Laboratory ultrashort-pulse laser", Proc. SPIE 1860, Short-Pulse High-Intensity Lasers and Applications II, (8 July 1993); https://doi.org/10.1117/12.147569

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