分形光子筛
Fractal photon sieve
摘要：
提出了一种具有分形特性的新型聚焦结构。它是一个光子筛，其中针孔适当地分布在分形波带片的区域上。分析了分形光子筛的聚焦特性。我们的建议的良好性能的实验证明了一系列的图像下获得的白光照明。结果表明，与传统的光子筛相比，分形光子筛具有更大的景深和更小的色差。
英文摘要：
A novel focusing structure with fractal properties is presented. It is a photon sieve in which the pinholes are appropriately distributed over the zones of a fractal zone plate. The focusing properties of the fractal photon sieve are analyzed. The good performance of our proposal is demonstrated experimentally with a series of images obtained under white light illumination. It is shown that compared with a conventional photon sieve, the fractal photon sieve exhibits an extended depth of field and a reduced chromatic aberration.
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