Principle of subtraction ghost imaging in scattering medium

被引：3

作者：

Fu, Qin ^{[1
]}

Bai, Yanfeng ^{[1
]}

Tan, Wei ^{[1
]}

Huang, Xianwei ^{[1
]}

Nan, Suqin ^{[2
]}

Fu, Xiquan ^{[1
]}

机构：

[1] Hunan Univ, Coll Comp Sci & Elect Engn, Changsha 410082, Peoples R China

[2] Hunan Univ Technol & Business, Sch Comp & Informat Engn, Changsha 410205, Peoples R China

来源：

CHINESE PHYSICS B | 2023年 / 32卷 / 06期

基金：

中国国家自然科学基金;

关键词：

ghost imaging; image reconstruction techniques; scattering medium; LIGHT;

D O I：

10.1088/1674-1056/acb202

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Scattering medium in light path will cause distortion of the light field, resulting in poor signal-to-noise ratio (SNR) of ghost imaging. The disturbance is usually eliminated by the method of pre-compensation. We deduce the intensity fluctuation correlation function of the ghost imaging with the disturbance of the scattering medium, which proves that the ghost image consists of two correlated results: the image of scattering medium and the target object. The effect of the scattering medium can be eliminated by subtracting the correlated result between the light field after the scattering medium and the reference light from ghost image, which verifies the theoretical results. Our research may provide a new idea of ghost imaging in harsh environment.

引用

页数：5

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