像散透镜对高斯光束的变换特性
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摘要: 基于广义惠更斯-菲涅尔衍射积分，并考虑了像散的影响，对高斯光束通过像散透镜后的传输特性作了解析研究，以光束传输因子和桶中功率为参数分析了像散高斯光束的光束质量，并以数值计算例加以说明。Abstract: Based on the generalized Huygens-Fresnel diffraction integral and in consideration of the effect introduced by astigmatism, the transformation properties of Gaussian beams passing an astigmatic lens are studied analytically, the beam quality of astigmatic Gaussian beams is analyzed in terms of the beam propagation factor(M2-factor) and power in the bucket(PIB), and illustrated with numerical examples.
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