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Controllable autofocusing properties and radiation forces of a spectrally chirped symmetric Airyprime beam

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  • Sun, Taoran
  • Ni, Wenyi
  • Bai, Yanfeng
  • Zhao, Hao
  • Huang, Xianwei
  • Fu, Xiquan

Abstract

In this paper, we numerically investigate the propagation properties of the symmetric Airyprime beam with the spectral phase modulation (SPM), and the autofocusing properties and radiation forces are mainly discussed. The results show that the propagation of the symmetric Airyprime beam depends on the SPM coefficient and the main lobe position. The beam exhibits the autofocusing property and forms double focal positions under positive SPM coefficient, while the phenomenon disappears for the negative SPM. The focal length presents the linear relation with the SPM coefficient, and the smaller main lobe position or larger SPM coefficient leads to increased beam intensity. The radiation force is studied to discuss the ability of particle trapping under different source parameters, and the trapping position is significantly influenced by the SPM coefficient, the main lobe position and the exponential decay factor. Our results demonstrate potential applications in optical controlling and optical trapping of the symmetric Airyprime beam with SPM.

Suggested Citation

  • Sun, Taoran & Ni, Wenyi & Bai, Yanfeng & Zhao, Hao & Huang, Xianwei & Fu, Xiquan, 2025. "Controllable autofocusing properties and radiation forces of a spectrally chirped symmetric Airyprime beam," Chaos, Solitons & Fractals, Elsevier, vol. 200(P1).
    • Handle: RePEc:eee:chsofr:v:200:y:2025:i:p1:s0960077925009786
    DOI: 10.1016/j.chaos.2025.116965
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