绝对仪器中的超分辨成像
Super-resolution imaging in absolute instruments
摘要：
已经证明负折射是完美的透镜。然而，在几乎没有损失的情况下，成像功能将受到严重损害。后来，人们证明了麦克斯韦的鱼眼透镜接目镜的正折射也可以成为完美透镜。然而，在成像位置处引入的排水问题上发生了强烈的争论。在这项工作中，我们首次发现，固体浸没麦克斯韦接目镜可以用于超分辨率成像。我们发现，这是由于完美的聚焦和全反射在外部界面，从而在空气背景中的所需位置形成超分辨率图像。这种简单的机制也将适用于其他绝对仪器和更多功能的超级成像系统将被期待。
英文摘要：
It has been shown that negative refraction makes a perfect lens. However, with little loss, the imaging functionality will be strongly compromised. Later on, it was proved that positive refraction from Maxwell's fish-eye lens can also makes a perfect lens. However, strong debating happens on the introduced drain problem at the imaging position. In this work, we for the first time find that a solid immersion Maxwell's fish-eye lens could be used for super-resolution imaging. We find that it is due to the perfect focusing and total reflection at the outer interface, such that a super-resolution image is formed at the required position in the air background. This simple mechanism will also be valid for other absolute instruments and more versatile super-imaging systems will be anticipated.
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