This article is cited in 3 papers

Interaction of laser radiation with matter. Laser plasma

System for target irradiation in the Iskra-6 high-power laser facility

S. V. Bondarenko, S. G. Garanin, V. A. Yeroshenko, G. G. Kochemasov, L. V. L'vov, M. R. Mochalov

Federal State Unitary Enterprise "Russian Federal Nuclear Center — All-Russian Research Institute of Experimental Physics", Sarov, Nizhnii Novgorod region

Abstract: An analysis is made of various systems for direct irradiation of a target enabling achievement of a high degree of the irradiation uniformity. The required departure from uniformity of target irradiation, δI/I ≤ 1%  – 2%, may be attained when the number of laser beams is N ≥ 80, the diameter of the waist is approximately equal to the target diameter, and the intensity profile in the waist is Gaussian or super-Gaussian. Various methods of forming the necessary intensity distribution in a transverse cross section of a beam are considered.

PACS: 42.62.Cf, 52.58.Ns, 28.52.Av

Received: 12.05.1997

 English version: Quantum Electronics, 1999, 29:3, 237–242

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