Direct Nuclear Pumping by a Volume Source of Fission Fragments

The main goals of this review article are to show, on the basis of the results accumulated in this field, achievements in simulating the processes in nuclear pumped laser (NPL) active media by experiments on e-beam pumping, and to give a number of characteristic experimental examples, when this simulation has improved understanding of the inversion population processes in NPL active media (Cd+, Xe-lasers) or generated interest in experiments with fission fragments excitation (Ne-laser). In the case of the population of laser operation levels in non-equilibrium recombinating plasma, one can say with sufficient accuracy that the inversion population mechanism is identical for both excitation types.

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Distribution functions in plasmas generated by a volume source of fission fragments

Deese

Hassan

1979

The Physics of Fluids

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The role played by fission fragments and electron distribution functions in nuclear pumped lasers is considered and procedures for their calculations are outlined. The calculations are illustrated for a 3He–Xe mixture where fission is provided by the 3He(n,p) 3H reaction. Because the dominant ion in the system depends on the Xe fraction, the distribution functions cannot be determined without the simultaneous consideration of a detailed kinetic model. As is the case for wall sources of fission fragments, the resulting plasmas are essentially thermal but the electron distribution functions are non-Maxwellian.

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Direct Nuclear Pumping by a Volume Source of Fission Fragments

Cited by 8 publications

References 29 publications

Nuclear-Pumped Lasers

Nuclear-Pumped Lasers

Simulation of NPL in experiments with e-beam pumping

Distribution functions in plasmas generated by a volume source of fission fragments

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