Distinctive features of the advanced generalized theory of Stark broadening of hydrogen lines in plasmas

Oks, Eugene; Touma, J.

doi:10.1063/1.58357

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Experimental Characterization Of the Laser Ablation Plasma1

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2014

2023

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Cited by 2 publications

(3 citation statements)

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“…2) following the formulation derived by Oks based on advanced generalized theory. 61 The relationship between the Stark linewidth and electron density is given by eqn (1),where n e is in cm −3 . Electron impact parameters for the Al I lines are tabulated as a function of temperature using values provided by Griem.…”

Section: Resultsmentioning

confidence: 99%

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Experimental and computational investigation into the hydrodynamics and chemical dynamics of laser ablation aluminum plasmas

Kwapis

Posey

Médici

et al. 2023

Phys. Chem. Chem. Phys.

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Section: Resultsmentioning

confidence: 99%

“…2) following the formulation derived by Oks based on advanced generalized theory. 61 The relationship between the Stark linewidth and electron density is given by eqn (1), Dl S ¼ 5:68 n e 10 18 0:64AE0:03…”

Section: Experimental Characterization Of the Laser Ablation Plasmamentioning

confidence: 99%

Experimental and computational investigation into the hydrodynamics and chemical dynamics of laser ablation aluminum plasmas

Kwapis

Posey

Médici

et al. 2023

Phys. Chem. Chem. Phys.

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“…This study explores the temporal evolution of Stark-broadened hydrogen alpha and beta Balmer lines in the generated plasma. Stark-broadening tables 3,4 have been compiled for optical breakdown in pure hydrogen and are referenced for the study reported here. Emission profiles for the hydrogen Balmer series lines have been well documented in pure hydrogen and are used as a reference for our determination of electron density.…”

Section: Introductionmentioning

confidence: 99%

Laser-Induced Plasma Spectroscopy of Hydrogen Balmer Series in Laboratory Air

Swafford

Parigger

2014

Appl Spectrosc

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Stark-broadened emission profiles for the hydrogen alpha and beta Balmer series lines in plasma are measured to characterize electron density and temperature. Plasma is generated using a typical laser-induced breakdown spectroscopy (LIBS) arrangement that employs a focused Q-switched neodymium-doped yttrium aluminum garnet (Nd : YAG) laser, operating at the fundamental wavelength of 1064 nm. The temporal evolution of the hydrogen Balmer series lines is explored using LIBS. Spectra from the plasma are measured following laser-induced optical breakdown in laboratory air. The electron density is primarily inferred from the Stark-broadened experimental data collected at various time delays. Due to the presence of nitrogen and oxygen in air, the hydrogen alpha and beta lines become clearly discernible from background radiation for time delays of 0.4 and 1.4 μs, respectively.

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Distinctive features of the advanced generalized theory of Stark broadening of hydrogen lines in plasmas

Cited by 2 publications

References 0 publications

Experimental and computational investigation into the hydrodynamics and chemical dynamics of laser ablation aluminum plasmas

Experimental and computational investigation into the hydrodynamics and chemical dynamics of laser ablation aluminum plasmas

Laser-Induced Plasma Spectroscopy of Hydrogen Balmer Series in Laboratory Air

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