The laser-initiated, gas-embedded <i>z</i>-pinch: Two-dimensional computations

Lindemuth, I.R.; Brownell, J. H.; Oliphant, T.A.; Weiss, D.L.

doi:10.1063/1.329873

Cited by 8 publications

(2 citation statements)

References 18 publications

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“…The agreement between our simple model calculations and the more complete two-dimensional simulations as discussed in Section 4 lends credibility to the computed results reported in this paper. The same physical model and numerical methods used in the two-dimensional computations have predicted experimental results to a very satisfactory degree in nonimploding geometries for experiments in which the densities spanned a large fraction of the parameter space of interest within the context of this paper [23,24]. Even so, the computations of the fuel behaviour in the Sandia and Tidman-Goldstein targets were not self-consistent in that the shell dynamics were not included.…”

Section: Discussionmentioning

confidence: 93%

Parameter space for magnetized fuel targets in inertial confinement fusion

1983

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A simple, zero-dimensional model describing the temporal behaviour of an imploding-shell, magnetized fuel inertial confinement fusion target is formulated. The model includes effects not normally considered in inertial confinement fusion such as magnetic back-pressure on the imploding shell, magnetic reduction of thermal conductivity, magnetic diffusion, and Ohmic heating. The model is simple enough to permit a survey of the parameter space available for magnetized fuel by computing the behaviour of thousands of targets. The survey predicts the existence of a totally new region in parameter space where significant thermonuclear fuel burn-up can occur. The new region is characterized by very low fuel densities, very low implosion velocities, and,most important, driver requirements reduced by several orders of magnitude, suggesting that “break-even” experiments may be possible with existing inertial confinement fusion drivers. The computed results are in reasonable agreement with more complete two-dimensional magnetohydrodynamic simulations.

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Section: Discussionmentioning

confidence: 93%

Parameter space for magnetized fuel targets in inertial confinement fusion

1983

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“…MHRDR has successfully been applied for modeling of gas discharges in one and two dimensions, with a full three-temperature model (including a separate radiation fluid), a two-temperature model (ions and electrons or material and radiation), or a basic one-temperature model [3][4][5][6][7][8] . The MHRDR code also previously predicted well the behavior of a laser-initiated, gas-embedded z-pinch 9 .…”

Section: Introductionmentioning

confidence: 79%

Development of laser deposition package for modeling of EUV sources for microlithography

et al. 2005

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A laser energy deposition model has been incorporated into the MHRDR-EUVL magnetohydrodynamic (MHD) model of EUV sources for microlithography. The model includes inverse-bremsstrahlung absorption, resonance absorption, and reflection of laser radiation from the plasma critical surface. The plasma evolution is simulated in parallel with the MHRDR-EUVL (Magneto-Hydro-Radiative-Dynamic-Research) 2D, three-temperature, MHD computer code. Convenient user-options include simple specification of the full width at half maximum (FWHM) of typical laser profiles, such as Gaussian profiles in space and time. The new laser deposition capability will allow MHRDR-EUVL to calculate the evolution of magnetized laser-produced plasmas. Magnetic fields can reduce the loss of plasma energy caused by plasma expansion and thermal conductivity.

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