Experimental imaging properties of immersion microscale spherical lenses.

Experimental imaging properties of immersion microscale spherical lenses.
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浸没式微型球面透镜的实验成像特性

DOI:
10.1038/srep03769
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发表时间:
2014-01-20
期刊:
影响因子:
4.6
通讯作者:
Zhang JY
Zhang JY
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Ye R;Ye YH;Ma HF;Cao L;Ma J;Wyrowski F;Shi R;Zhang JY

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使用浸没透镜技术,传统球面透镜的分辨率可以比其在空气中的值提高1/n倍(n,浸没介质的折射率)。根据物体和透镜之间的相对位置,形成真实的或虚像。本文报道了在微尺度透镜成像中实验观察到的一种新的物理现象。我们发现,当微尺度球面透镜半浸没在介质中时,透镜的分辨率得到提高,因为它可以截取更多的物体细节。然而,微尺度透镜具有用于精细和粗略细节的两个图像通道,并且可以同时形成对应于两个分量的两个图像。我们的研究结果将促进对微尺度透镜超分辨率成像机制的理解。
Using the immersion lensing technique, the resolution of a conventional spherical lens can be improved by a factor of 1/n over its value in air (n, the refractive index of the immersion medium). Depending on the relative position between an object and a lens, either a real or a virtual image is formed. Here we report a new physical phenomenon experimentally observed in the microscale lens imaging. We find that when a microscale spherical lens is semi-immersed in a medium, the resolution of the lens is improved as it can intercept more fine details of the object. However, the microscale lens has two image channels for the fine and coarse details and two images corresponding to the two components can be formed simultaneously. Our findings will advance the understanding of the super-resolution imaging mechanisms in microscale lenses.
DOI: 10.1038/415621a
发表时间: 2002-02-07
期刊: NATURE
影响因子: 64.8
作者:
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