Numerical investigation of various methods of intensity-distribution smoothing on the target

V. A. Eroshenko; Gennady G. Kochemasov; I. D. Sukhanov; Sergey G. Garanin; Fedor A. Starikov; M. R. Mochalov

doi:10.1117/12.294255

8 December 1997 Numerical investigation of various methods of intensity-distribution smoothing on the target

V. A. Eroshenko, Gennady G. Kochemasov, I. D. Sukhanov, Sergey G. Garanin, Fedor A. Starikov, M. R. Mochalov

Proceedings Volume 3047, Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference; (1997) https://doi.org/10.1117/12.294255
Event: Second International Conference on Solid State Lasers for Application to ICF, 1996, Paris, France

Abstract

To achieve high compression of direct drive targets it is principally important to guarantee highly homogeneous illumination of the target. Compressions of approximately 10⁴ require degree of homogeneity of 1 - 2%. It is suggested that in the high-power laser facilities being developed and projected now (Omega Upgrade, NIF, LMJ, Iskra- 6) various methods of intensity distribution smoothing will be used to achieve such homogeneity. In this report the efficiency of some smoothing methods is considered using 1D numerical modeling.

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V. A. Eroshenko, Gennady G. Kochemasov, I. D. Sukhanov, Sergey G. Garanin, Fedor A. Starikov, and M. R. Mochalov "Numerical investigation of various methods of intensity-distribution smoothing on the target", Proc. SPIE 3047, Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference, (8 December 1997); https://doi.org/10.1117/12.294255

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KEYWORDS

Phase shift keying

Modulation

Raster graphics

Fresnel lenses

Laser development

Picosecond phenomena

Lithium

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