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Abstract <p>This paper describes a high-power, multichannel solid-state laser setup. The characteristics of adaptive system elements within an eight-channel laser module are presented. A wavefront correction method at the output of the laser module’s amplifying path, using Zernicke polynomials, is described, investigated, and tested. The results of correcting 'thermal' aberrations in the amplification path caused by the heating of active elements were obtained experimentally. The amplitude of the wavefront, <i>PV</i> = 0.71 μm and its mean-square deviation from planar RMS = 0.11 μm. The results of testing the correction method for the remaining channels of the module are presented.</p>

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Enhancing Laser Wavefront Parameters in Experiments Using a New-Generation Multichannel Laser Facility

  • 期刊论文

  • 发表日期：

    2025年9月21日

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  • S. A. Belkov,
  • V. O. Vasyukevich,
  • G. N. Kachalin,
  • A. O. Lipatov,
  • A. N. Manachinsky,
  • Yu. V. Shagalkin,
  • A.V. Yakhlov

摘要

Abstract

This paper describes a high-power, multichannel solid-state laser setup. The characteristics of adaptive system elements within an eight-channel laser module are presented. A wavefront correction method at the output of the laser module’s amplifying path, using Zernicke polynomials, is described, investigated, and tested. The results of correcting 'thermal' aberrations in the amplification path caused by the heating of active elements were obtained experimentally. The amplitude of the wavefront, PV = 0.71 μm and its mean-square deviation from planar RMS = 0.11 μm. The results of testing the correction method for the remaining channels of the module are presented.