Plasma diagnostics with a tabletop soft x-ray laser

Jorge J. G. Rocca; Mario C. Marconi; Jorge Filevich Chamatropulos; Kelly Kanizay; Cesar H. Moreno; Juan L. A. Chilla; R. J. Berglund; Vyacheslav N. Shlyaptsev; Y. A. Unspenskii; Alexander V. Vinogradov; Yurii P. Pershin

doi:10.1117/12.375118

11 January 2000 Plasma diagnostics with a tabletop soft x-ray laser

Jorge J. G. Rocca, Mario C. Marconi, Jorge Filevich Chamatropulos, Kelly Kanizay, Cesar H. Moreno, Juan L. A. Chilla, R. J. Berglund, Vyacheslav N. Shlyaptsev, Y. A. Unspenskii, Alexander V. Vinogradov, Yurii P. Pershin

Author Affiliations +

Proceedings Volume 3886, High-Power Lasers in Energy Engineering; (2000) https://doi.org/10.1117/12.375118
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan

Abstract

We discuss the first demonstrations of plasma diagnostics using a tabletop soft x-ray laser. A very compact capillary discharge pumped Ne-like Ar laser operating 46.9 nm was used to perform shadowgraphy and interferometry experiments in discharge-created discharge plasma waveguide. In a second set of experiments we took advantage of the good spatial coherence of the capillary discharge laser to perform soft x-ray interferometry measurements. In a first experiment the laser was used in combination with a simple wavefront division interferometer based on Lloyd's mirror to map the electron density distribution in the cathode region of a pinch discharge. In our most recent experiment we used an amplitude division interferometer, which utilizes diffraction grating as beam splitters, to probe a large scale laser-created plasma. Both interferometer schemes can be adapted to operate at the wavelength corresponding to any of the presently available saturated soft x-ray lasers.

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Jorge J. G. Rocca, Mario C. Marconi, Jorge Filevich Chamatropulos, Kelly Kanizay, Cesar H. Moreno, Juan L. A. Chilla, R. J. Berglund, Vyacheslav N. Shlyaptsev, Y. A. Unspenskii, Alexander V. Vinogradov, and Yurii P. Pershin "Plasma diagnostics with a tabletop soft x-ray laser", Proc. SPIE 3886, High-Power Lasers in Energy Engineering, (11 January 2000); https://doi.org/10.1117/12.375118

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