SBS reflectivity from spatially smoothed laser beams: Random phase plates versus polarization smoothing

S. Hüller; Ph Mounaix; V. T. Tikhonchuk

doi:10.1063/1.872958

SBS reflectivity from spatially smoothed laser beams: Random phase plates versus polarization smoothing

S. Hüller
, Ph Mounaix
, V. T. Tikhonchuk

Research output: Contribution to journal › Article › peer-review

Abstract

The reflectivity due to stimulated Brillouin backscattering (SBS) from an ensemble of independent laser speckles is investigated for different speckle statistics. Calculations are based on numerical simulations with a multidimensional code and a compact model describing the main features of speckle self-focusing. In particular, the simulations and the model are applied to speckle ensembles due to the random phase plate (RPP) and polarization smoothing (PS) techniques. A stronger SBS inhibition for PS with respect to the RPP technique is demonstrated.

Original language	English
Pages (from-to)	2706-2711
Number of pages	6
Journal	Physics of Plasmas
Volume	5
Issue number	7
DOIs	https://doi.org/10.1063/1.872958
Publication status	Published - 1 Jan 1998

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10.1063/1.872958

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abstract = "The reflectivity due to stimulated Brillouin backscattering (SBS) from an ensemble of independent laser speckles is investigated for different speckle statistics. Calculations are based on numerical simulations with a multidimensional code and a compact model describing the main features of speckle self-focusing. In particular, the simulations and the model are applied to speckle ensembles due to the random phase plate (RPP) and polarization smoothing (PS) techniques. A stronger SBS inhibition for PS with respect to the RPP technique is demonstrated.",

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year = "1998",

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AU - Tikhonchuk, V. T.

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N2 - The reflectivity due to stimulated Brillouin backscattering (SBS) from an ensemble of independent laser speckles is investigated for different speckle statistics. Calculations are based on numerical simulations with a multidimensional code and a compact model describing the main features of speckle self-focusing. In particular, the simulations and the model are applied to speckle ensembles due to the random phase plate (RPP) and polarization smoothing (PS) techniques. A stronger SBS inhibition for PS with respect to the RPP technique is demonstrated.

AB - The reflectivity due to stimulated Brillouin backscattering (SBS) from an ensemble of independent laser speckles is investigated for different speckle statistics. Calculations are based on numerical simulations with a multidimensional code and a compact model describing the main features of speckle self-focusing. In particular, the simulations and the model are applied to speckle ensembles due to the random phase plate (RPP) and polarization smoothing (PS) techniques. A stronger SBS inhibition for PS with respect to the RPP technique is demonstrated.

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DO - 10.1063/1.872958

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ER -

SBS reflectivity from spatially smoothed laser beams: Random phase plates versus polarization smoothing

Abstract

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