完美透镜也称超级透镜（superlens），是左手材料即负折射材料（表观介电常数和磁导率同时小于0的材料）的一种应用。
同时讨论了异向媒质电磁参数与理想完美透镜条件的偏差对异向介质对倏逝波恢复作用的影响。
The effect on this restoration caused by the deviation of the electromagnetic coefficients from the "perfect lens" conditions was discussed.
为了将能量从Dyson-Harrop卫星送回地球“需要奇大无比的透镜，比如10公里到100公里范围的完美透镜。”
To beam power from a Dyson-Harrop satellite to Earth, one "would require stupendously huge optics, such as a virtually perfect lens between maybe 10 to 100 kilometres across," he says.
请记住，透镜、畸变和特征点的跟踪精度将使它永远不会完美。
Remember it's never going to be perfect due to lenses, distortion and tracking accuracy of the features.
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