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Related Experiment Video

Updated: May 14, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation
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Published on: February 4, 2017

Two-wavelength ghost imaging through atmospheric turbulence.

Dongfeng Shi1, Chengyu Fan, Pengfei Zhang

  • 1Key Laboratory of Atmospheric Composition and Optical Radiation, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China.

Optics Express
|February 8, 2013
PubMed
Summary

This study theoretically examines two-wavelength ghost imaging through atmospheric turbulence. Analytical expressions are derived to understand turbulence effects on the point spread function and field of view for standoff sensing applications.

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Area of Science:

  • Optical Physics
  • Atmospheric Optics
  • Quantum Imaging

Background:

  • Ghost imaging shows promise for standoff sensing, but atmospheric turbulence poses a significant challenge.
  • Previous theoretical work primarily focused on single-wavelength ghost imaging in turbulent environments.
  • The impact of atmospheric turbulence on two-wavelength ghost imaging remains less explored.

Purpose of the Study:

  • To theoretically investigate the performance of two-wavelength ghost imaging in the presence of atmospheric turbulence.
  • To derive analytical expressions for the effects of atmospheric turbulence on key imaging parameters.
  • To provide insights into the feasibility of two-wavelength ghost imaging for standoff sensing applications.

Main Methods:

  • Utilized the extended Huygens-Fresnel integral to model wave propagation through atmospheric turbulence.

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  • Derived analytical expressions for the point spread function (PSF) and field of view (FOV) under turbulent conditions.
  • Included computational simulations to analyze the derived expressions.

    • Main Results:

    • Successfully derived analytical expressions quantifying the influence of atmospheric turbulence on the PSF and FOV in two-wavelength ghost imaging.
    • Demonstrated the theoretical feasibility of two-wavelength ghost imaging through atmospheric turbulence.
    • The study provides a theoretical framework for understanding and mitigating turbulence effects.

    Conclusions:

    • Two-wavelength ghost imaging is a viable technique for standoff sensing in turbulent atmospheres.
    • The derived analytical expressions are crucial for designing and optimizing ghost imaging systems for practical applications.
    • Further research can build upon these findings to experimentally validate the theoretical predictions.