Ghost imaging with broad distance

We present a scheme that is able to achieve the ghost imaging with broad distance. The physical nature of our scheme is that the different wavelength beams are separated in free space by an optical media according to the slow light or dispersion principle. Meanwhile, the equality of the optical dist...

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Published in:Chinese physics B 2015-10, Vol.24 (10), p.195-199
Main Author: 段德洋 张路 杜少将 夏云杰
Format: Article
Language:English
Subjects:
Beams (radiation)
Color
Dispersions
Ghosts
Imaging
Photons
Wavelengths
光学介质
彩色图像
成像
物理性质
空间光调制器
自由空间
色散原理
距离
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container_title Chinese physics B
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creator 段德洋 张路 杜少将 夏云杰
description We present a scheme that is able to achieve the ghost imaging with broad distance. The physical nature of our scheme is that the different wavelength beams are separated in free space by an optical media according to the slow light or dispersion principle. Meanwhile, the equality of the optical distance of the two light arms is not violated. The photon correlation is achieved by the rotating ground glass plate（RGGP） and spatial light modulator（SLM）, respectively. Our work shows that a monochromic ghost image can be obtained in the case of RGGP. More importantly, the position（or distance） of the object can be ascertained by the color of the image. Thus, the imaging and ranging processes are combined as one process for the first time to the best of our knowledge. In the case of SLM, we can obtain a colored image regardless of where the object is.
doi_str_mv 10.1088/1674-1056/24/10/104203
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source Institute of Physics:Jisc Collections:IOP Publishing Read and Publish 2024-2025 (Reading List)
subjects Beams (radiation)
Color
Dispersions
Ghosts
Imaging
Photons
Wavelengths
光学介质
彩色图像
成像
物理性质
空间光调制器
自由空间
色散原理
距离
title Ghost imaging with broad distance
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