Atomic structure and polarization line shift in dense and hot plasmas

Nguyen, Hoai Thuong; Kœnig, M.; Benredjem, D.; Caby, M.; Coulaud, G.

doi:10.1103/physreva.33.1279

Cited by 152 publications

(106 citation statements)

References 30 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Our calculation using IS model at n = 2.5 × 10 24 /cc yields a value 3.41 eV whereas a quantum mechanical calculations of Nguyen et al [27] based on collision theory yields a value 3.5 eV at n = 8 × 10…”

mentioning

confidence: 65%

Effect of strongly coupled plasma on the spectra of hydrogenlike carbon, aluminium and argon

Bhattacharyya¹,

Sil

Fritzsche

et al. 2007

Eur. Phys. J. D

View full text Add to dashboard Cite

Abstract.A detailed study has been performed for estimating the orbital energies, positions and shifts of the Lyman lines of C 5+ , Al 12+ and Ar 17+ under strongly coupled plasma with a view to understand such line positions and shifts obtained in laser produced plasma experiments. The effect of strongly coupled plasma has been treated within the Ion Sphere (IS) model. Both non-relativistic and relativistic methods have been used for estimating the spectral properties. Theoretical estimates with IS model of the plasma are in conformity with the results of laser plasma experiments on these highly stripped ions. The experimental data for the systems have also been compared with the theoretical estimates using Debye screening model of the plasma with spatial confinements which gives additional restrictions to the wave functions at finite boundaries. PACS

show abstract

mentioning

confidence: 65%

Effect of strongly coupled plasma on the spectra of hydrogenlike carbon, aluminium and argon

Bhattacharyya¹,

Sil

Fritzsche

et al. 2007

Eur. Phys. J. D

View full text Add to dashboard Cite

show abstract

“…To estimate stim , a spectral shape function is needed. To obtain the shape function, electron impact broadening using a semiclassical expression [8], Stark broadening [9], natural and Doppler broadenings are convolved by a Voigt profile. Because of a time-dependent property of population inversion, a time-averaged gain G ave is estimated, namely, G ave = 0 Gdt/ , where is the time at G = G max /e after reaching G = G max .…”

Section: Estimation Of Lasing Performancementioning

confidence: 99%

Effect of autoionizing states with a high-lying spectator electron on population inversion of nitrogen plasma in recombining phase

Ozawa

Kumai

Hotta

et al. 2013

EPJ Web of Conferences

View full text Add to dashboard Cite

Abstract. Discharge produced plasma (DPP) is a promising tool to generate effective extreme ultraviolet (EUV) light. A hydrogen-like nitrogen ion emits light at 13.4 nm with an optical allowed atomic transition from n = 3 to 2, where n stands for a principal quantum number. We focus on the properties of population inversion between n =3 and 2 in recombining phase. Population inversion is calculated in the framework of population kinetics, and a gain coefficient G is estimated. In this study, dielectronic-capture ladderlike (DL) processes are included. At high density and low temperature, the DL deexcitations make a large contribution to the population inversion.

show abstract

“…According to theoretical predictions [3][4][5][6], the widths and frequency shifts of Stark-broadened lines are strongly density dependent and relatively weakly temperature dependent. Consequently, the line widths of hydrogenic ions are standardly used for density diagnosis of laboratory plasmas.…”

Section: Introductionmentioning

confidence: 99%

“…The experimental details are presented with emphasis on the high dispersion of the spectrometer used. By using a standard code for density diagnosis [3] and the shift factors computed with a quantum-mechanical impact theory [5], the observed line widths and shifts of the Al Lyman transition are interpreted in terms of the plasma density variation with respect to the distance from the laser-irradiated target. To verify the results obtained, the time-integrated spectroscopic data are compared with synthetic spectra produced by post-processing the 1D and 2D hydrodynamic simulations.…”

Section: Introductionmentioning

confidence: 99%

Spectroscopic characterization of plasma densities of laser-irradiated Al foils

Renner¹,

Limpouch²,

Krouský³

et al. 2003

Journal of Quantitative Spectroscopy and Radiative Transfer

View full text Add to dashboard Cite

Detailed spectroscopic analysis of K-shell emission simultaneously observed at the irradiated and unirradiated surface of laser-exploded foils is reported. The space-dependent spectral line widths and relative shifts in the positions of the Al Lyman transition are interpreted in terms of the plasma density variations; the trend in the shifts data supports the idea of a density-dependent line shift. The signiÿcant features of the spectra emitted from the densest part of the plasma are compared with predictions from standard diagnostics modeling based on codes MEDUSA and FLY, and with the results of 2D ATLANT hydrodynamic simulations post-processed with a novel suite of atomic physics codes XEPAP. The results obtained corroborate the feasibility of the plasma density diagnostics based on line shifts in the intermediately coupled plasmas. ?

show abstract

Atomic structure and polarization line shift in dense and hot plasmas

Cited by 152 publications

References 30 publications

Effect of strongly coupled plasma on the spectra of hydrogenlike carbon, aluminium and argon

Effect of strongly coupled plasma on the spectra of hydrogenlike carbon, aluminium and argon

Effect of autoionizing states with a high-lying spectator electron on population inversion of nitrogen plasma in recombining phase

Spectroscopic characterization of plasma densities of laser-irradiated Al foils

Contact Info

Product

Resources

About