Numerical calculations are performed and show that the focal shift in focused sinh-Gaussian beams depends on the Fresnel number and decentered parameter, and increases with decreasing them.

 
  • 数值计算表明,聚焦双曲正弦高斯光束的焦移与偏心参数和菲涅耳数有关,焦移随偏心参数和菲涅耳数的减小而增大。
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