本文讨论高斯光束经过球差环形透镜的聚焦。

In this paper, focusing of Gaussian beams by annular lenses with spherical aberration is discussed.

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利用时域有限差分法模拟了左手圆环形透镜的成像和透镜中的倏逝波。

The imaging system formed by an annular left-handed material (LHM) lens as well as the evanescent waves in the lens are simulated numerically with a finite-difference time-domain (FDTD) method.

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从理论上研究部分相干光被一环形透镜聚焦，在焦点附近的轴上点的光强分布。

The on-axis intensity distribution was investigated in the focal region of partially coherent light focused by an annular lens.

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