Picosecond x-ray laser interferometry of dense plasmas

Barbee, T. W., author; Hunter, J. R., author; Marconi, M. C., author; Rocca, Jorge J., author; Filevich, J., author; Moon, S., author; Shlyaptsev, V. N., author; Nilsen, J., author; Dunn, J., author; Smith, R. F., author; American Physical Society, publisher

Picosecond x-ray laser interferometry of dense plasmas

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ECEjjr00133.pdf (612.94 KB)

Date

2002

Authors

Barbee, T. W., author

Hunter, J. R., author

Marconi, M. C., author

Rocca, Jorge J., author

Filevich, J., author

Moon, S., author

Shlyaptsev, V. N., author

Nilsen, J., author

Dunn, J., author

Smith, R. F., author

Abstract

We present the first results from picosecond interferometry of dense laser-produced plasmas using a soft x-ray laser. The picosecond duration and short wavelength of the 14.7 nm Ni-like Pd laser mitigates effects associated with motion blurring and refraction through millimeter-scale plasmas. This enables direct measurement of the electron-density profile to within 10 μm of the target surface. A series of high-quality two-dimensional (2D) density measurements provide unambiguous characterization of the time evolution in a fast-evolving plasma suitable for validation of existing 1D and 2D hydrodynamic codes.

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http://hdl.handle.net/10217/67634

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Picosecond x-ray laser interferometry of dense plasmas

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