Stark width measurements of Fe II lines with wavelengths in the range 230–260 nm

The experimental Stark widths of 26 Fe II lines with wavelengths in the range 230-260 nm have been determined by laser-induced breakdown spectroscopy. These measurements complete the data reported previously for the wavelength range 260-300 nm. The laser-induced plasmas have been generated from Fe-C...

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Veröffentlicht in:Journal of physics. B, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2011-12, Vol.44 (24), p.245701-1-6
Hauptverfasser: Aguilera, J A, Manrique, J, Aragón, C
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container_title Journal of physics. B, Atomic, molecular, and optical physics
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creator Aguilera, J A
Manrique, J
Aragón, C
description The experimental Stark widths of 26 Fe II lines with wavelengths in the range 230-260 nm have been determined by laser-induced breakdown spectroscopy. These measurements complete the data reported previously for the wavelength range 260-300 nm. The laser-induced plasmas have been generated from Fe-Cu and Fe-Ni samples. The curve-of-growth methodology is used to determine the iron concentration required to avoid self-absorption. The electron density at the different instants of the plasma lifetime, determined from the Stark broadening of the H sub( alpha ) line, is in the range (1.6-7.4) x 10 super(17) cm super(-3). The plasma temperature is in the range 12 900-15 200 K. The Stark widths obtained are compared with previous experimental and theoretical data.
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subjects Atomic and molecular physics
Atomic properties and interactions with photons
Breakdown
Electron density
Exact sciences and technology
Iron
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma lifetime
Plasma production and heating
Plasma production and heating by laser beams
Plasma temperature
Plasmas
Spectroscopy
Wavelengths
Zeeman and stark effects
title Stark width measurements of Fe II lines with wavelengths in the range 230–260 nm
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