鬼成像的一个收敛判据

J4 ›› 2016, Vol. 33 ›› Issue (1): 8-19.

鬼成像的一个收敛判据

张明辉, 宋志平

安徽大学物理与材料科学学院，安徽合肥 230601

收稿日期:2014-12-09 修回日期:2015-05-04 出版日期:2016-01-28 发布日期:2016-01-06
通讯作者: 张明辉(1971-),湖南常德人，博士，副教授，从事基础光学的教学与研究工作。 E-mail:zmh@ahu.edu.cn
基金资助:
安徽省教育厅重点项目（KJ2011Z021）

A criterion for convergence of ghost imaging

ZHANG Minghui, SONG Zhiping

School of Physics and Material Science, Anhui University, Hefei 230601, China

Received:2014-12-09 Revised:2015-05-04 Published:2016-01-28 Online:2016-01-06

摘要/Abstract

摘要：

鬼成像（或关联成像）的耗时问题，是该研究通往应用领域的艰难瓶颈。以杨氏双缝的鬼衍射为例，通过引入一个收敛判据，研究了一系列影响收敛速度的因素以及收敛特征。计算机实验表明，物体的特征尺度与照明光场的横向相干长度是影响成像速度的共同关键因素。作者希望以此引起人们对关联光学实时化问题的关注。此外，本文给出的数值热光源的产生方法，可为鬼成像的变形-主动照明式激光雷达的光源提供驱动。

关键词: 鬼成像，收敛，收敛速度, 鬼成像，收敛，收敛速度

Abstract:

The long time consumption is a bottleneck for the applicability of the ghost imaging (GI). By introducing a criterion for the convergence of GI, we investigate a factor that impacts on the convergence speed of it. Based on computer experiments, we demonstrate that the object's feature size relative to the spatial coherent length of the illuminating light impacts on the necessary number of uncorrelated data being acquired for the correlation computation. It may motivate people to seek ways towards real-time practical applications of GI and its analogues. In addition, the method to simulate the uncorrelated sequence of a complex ensemble for thermal light is valuable in applications where actively controlling the light fields is needed.

Key words: ghost imaging，convergence，Convergence speed, ghost imaging，convergence，Convergence speed

张明辉宋志平. 鬼成像的一个收敛判据[J]. J4, 2016, 33(1): 8-19.

ZHANG Minghui, SONG Zhiping. A criterion for convergence of ghost imaging[J]. J4, 2016, 33(1): 8-19.

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