Image reconstruction with the chaotic fiber laser in scattering media

The reconstruction of the size, position, optical properties, and structure of the object in scattering media was realized with a chaotic fiber laser. The light from the chaotic fiber laser was split into two parts. One part was used as the detection signal to detect the object, and the other was us...

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Bibliographic Details
Published in:Applied optics (2004) 2021-05, Vol.60 (13), p.4004
Main Authors: Li, Jia, Yang, Ling Zhen, Ding, Wei Jie, Zhan, Mao Xuan, Fan, Lin Lin, Wang, Juan Fen, Shang, Hui Feng, Ti, Gang
Format: Article
Language:English
Subjects:
Algorithms
Attenuation
Cross correlation
Fiber lasers
Image reconstruction
Image resolution
Laser applications
Lasers
Light attenuation
Optical properties
Reference signals
Scattering
Signal to noise ratio
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Summary:The reconstruction of the size, position, optical properties, and structure of the object in scattering media was realized with a chaotic fiber laser. The light from the chaotic fiber laser was split into two parts. One part was used as the detection signal to detect the object, and the other was used as the reference signal; then, the two signals were cross correlated. The attenuation of light in scattering media was attributed to scattering and absorption. The theoretical model of the peak value of cross correlation of the chaotic signals as projection data were established by the attenuation law, and the filtered back-projection algorithms were used to realize the image reconstruction. The mean squared error, the normalized mean squared error, the peak signal-to-noise ratio, and the structural similarity index of the reconstructed image were analyzed. The results show that the high resolution of the reconstructed image benefits from the high signal-to-noise ratio with the chaotic fiber laser based on a delta-like cross-correlation function.
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.420441