Temperature and density spectroscopic measurements in different laser-generated plasmas

L. Torrisi; A. Borrielli; D. Margarone; F. Caridi; A. M. Mezzasalma

doi:10.1140/epjd/e2008-00229-5

Temperature and density spectroscopic measurements in different laser-generated plasmas

L. Torrisi^*, A. Borrielli, D. Margarone, F. Caridi, A. M. Mezzasalma

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

A pulsed Nd:Yag laser, at intensities of the order of 10¹⁰ W/cm², is employed to irradiate different thick metallic targets (Ti, Fe, Ag, and Ni) placed in vacuum. The obtained non-equilibrium plasmas are investigated with various analytical techniques. An electrostatic ion energy analyzer and different ion collectors are employed to monitor in situ the ions ejected from the plasma and to determine the core plasma temperature, the ion energy distributions and the ion angular emission. An optical spectrometer is employed to analyze the plasma corona emitted light vs. wavelength and to identify the emitted characteristic lines. The optical spectroscopy permitted to evaluate the electron temperatures and densities. Results show strong temperature and density gradients occurring in the laser-generated plasma plume.

Original language	English
Pages (from-to)	343-348
Number of pages	6
Journal	European Physical Journal D
Volume	54
Issue number	2
DOIs	https://doi.org/10.1140/epjd/e2008-00229-5
Publication status	Published - Aug 2009
Externally published	Yes

Bibliographical note

Copyright:
Copyright 2009 Elsevier B.V., All rights reserved.

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1140/epjd/e2008-00229-5

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abstract = "A pulsed Nd:Yag laser, at intensities of the order of 1010 W/cm2, is employed to irradiate different thick metallic targets (Ti, Fe, Ag, and Ni) placed in vacuum. The obtained non-equilibrium plasmas are investigated with various analytical techniques. An electrostatic ion energy analyzer and different ion collectors are employed to monitor in situ the ions ejected from the plasma and to determine the core plasma temperature, the ion energy distributions and the ion angular emission. An optical spectrometer is employed to analyze the plasma corona emitted light vs. wavelength and to identify the emitted characteristic lines. The optical spectroscopy permitted to evaluate the electron temperatures and densities. Results show strong temperature and density gradients occurring in the laser-generated plasma plume.",

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AU - Torrisi, L.

AU - Borrielli, A.

AU - Margarone, D.

AU - Caridi, F.

AU - Mezzasalma, A. M.

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AB - A pulsed Nd:Yag laser, at intensities of the order of 1010 W/cm2, is employed to irradiate different thick metallic targets (Ti, Fe, Ag, and Ni) placed in vacuum. The obtained non-equilibrium plasmas are investigated with various analytical techniques. An electrostatic ion energy analyzer and different ion collectors are employed to monitor in situ the ions ejected from the plasma and to determine the core plasma temperature, the ion energy distributions and the ion angular emission. An optical spectrometer is employed to analyze the plasma corona emitted light vs. wavelength and to identify the emitted characteristic lines. The optical spectroscopy permitted to evaluate the electron temperatures and densities. Results show strong temperature and density gradients occurring in the laser-generated plasma plume.

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