Non-Invasive Imaging of Object Behind Scattering Media via Cross-Spectrum

We develop a method based on the cross-spectrum of an intensity-modulated CW laser, which can extract a signal from an extremely noisy environment and image objects hidden in scattering media. We theoretically analyzed our scheme and performed the experiment by scanning the object placed in between...

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Bibliographic Details
Published in:IEEE photonics journal 2022-06, Vol.14 (3), p.1-5
Main Authors: Zhao, Xingchen, Peng, Tao, Zhang, Lida, Zubairy, M. Suhail, Shih, Yanhua, Scully, Marlan O.
Format: Article
Language:English
Subjects:
Cross-spectrum
Detectors
Diffusers
Frequency modulation
Imaging
Measurement by laser beam
Media
non-invasive
Object recognition
Scattering
Turbid media
Ultrafast optics
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Summary:We develop a method based on the cross-spectrum of an intensity-modulated CW laser, which can extract a signal from an extremely noisy environment and image objects hidden in scattering media. We theoretically analyzed our scheme and performed the experiment by scanning the object placed in between two ground glass diffusers. The image of the object is retrieved by collecting the amplitudes at the modulation frequency of all the cross-spectra. Our method is non-invasive, easy-to-implement, and can work for both static and dynamic media.
ISSN:1943-0655
1943-0647
DOI:10.1109/JPHOT.2022.3173556