Numerical analysis of hot-image caused by multi-scatterers in high-power laser system with cascaded medium

Zhi Jun Ye, Jian Lin Zhao, Tao Peng, Dong Li

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The evolution of the hot-images caused by multi-scatterers in a plane perpendicular to the axis in high-power laser systems is numerically simulated by taking five parallel equispaced nonlinear medium plates (with gain and loss) as an example. The influences among the scattered beams with different parameters are analyzed, respectively. The analytical results show that the hot-images induced by coplanar multi-scatterers are also coplanar whether they exist simultaneously or severally. However, the peak intensity of the hot-images is weaker when they exist simultaneously than that when they exist severally. In addition, when the scattered beams with different parameters gain energy from the original beam and form the hot-image, the unequal competitions of energy may result in the fact that some of the corresponding hot-images are relatively enhanced and others are restrained.

Original languageEnglish
Pages (from-to)1421-1425
Number of pages5
JournalQiangjiguang Yu Lizishu/High Power Laser and Particle Beams
Volume20
Issue number9
StatePublished - Sep 2008

Keywords

  • Cascaded medium system
  • Hot-image
  • Laser damage
  • Small-scale self-focusing

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