光学学报, 2012, 32 (5): 0503001, 网络出版: 2012-04-16   

基于稀疏阵赝热光系统的强度关联成像研究 下载: 557次

Ghost Imaging Based on Sparse Array Pseudothermal Light System
作者单位
中国科学院上海光学精密机械研究所量子光学重点实验室, 上海 201800
摘要
强度关联成像在近几年取得很大的突破,其应用价值越来越明显。以随机涨落的热光作为光源是强度关联成像的前提。目前常使用激光穿过旋转的毛玻璃产生赝热光。鉴于使用毛玻璃产生赝热光的局限性,提出了使用稀疏阵独立子光源产生赝热光,并在这种光源结构下讨论了基于线性关联算法的强度关联成像和基于稀疏约束非线性算法的强度关联成像的异同。
Abstract
Great breakthroughs have been made in research of ghost imaging in recent years. The application value of ghost imaging is increasingly obvious. The precondition of ghost imaging is that its light source should be random fluctuating thermal light. Presently, pseudothermal light is usually generated by passing a laser beam through a revolving ground glass. In view of the limitations of such a method, this paper proposes to generate pseudothermal light via sparse array independent source combining system, and discusses the differences between two algorithms, i.e., linear correlation algorithm and sparsity constraint nonlinear algorithm, in ghost imaging.
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陈明亮, 李恩荣, 王慧, 沈夏, 龚文林, 韩申生. 基于稀疏阵赝热光系统的强度关联成像研究[J]. 光学学报, 2012, 32(5): 0503001. Chen Mingliang, Li Enrong, Wang Hui, Shen Xia, Gong Wenlin, Han Shensheng. Ghost Imaging Based on Sparse Array Pseudothermal Light System[J]. Acta Optica Sinica, 2012, 32(5): 0503001.

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