Abstract
The “Del'fin” H twelve-channel laser facility for high-temperature heating of thermonuclear targets in a spherical geometry is described. It consists of a neodymium driver laser with maximum energy ~10 kJ, pulse duration 10-10–10-9 sec, andbeam divergence ~5·10−4 rad, a vacuum chamber in which the laser radiation interacts with the plasma, and the devices for the diagnostics of the laser and plasma parameters. The “Del'fin” focusing system, which ensures a high degree of symmetry of the spherical irradiation of the target at a maximum flux density on its surface ~1015 W/cm2, is described. The problem of realizing the maximum ability of heating spherical thermonuclear targets by radiation from high-power laser systems is considered.
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Translated from Trudy Ordena Lenina Fizicheskogo Instituta im. P.N. Lebedeva, Vol. 103, pp. 3–51, 1978.
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Basov, N.G., Bykovskii, N.E., Danilov, A.E. et al. The “Del'fin” high-power laser facility for heating spherical thermonuclear targets. J Russ Laser Res 1, 1–37 (1980). https://doi.org/10.1007/BF01120449
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DOI: https://doi.org/10.1007/BF01120449