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Thermal focusing instability in spherical targets for laser fusion

  • J. Sanz (a1) and F. Ibáñez (a1)


By using a linear analysis, a new type of thermal self-focusing instability without inverse bremsstrahlung absorption is analyzed. In the model it is assumed that part of the light is absorbed only at the critical surface and that the heat conduction is restricted to a layer on the target. Perturbations with wavelengths comparable to target radius are studied.



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Thermal focusing instability in spherical targets for laser fusion

  • J. Sanz (a1) and F. Ibáñez (a1)


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