Special Section on Long-Range Imaging

Comparative analysis of numerical simulation techniques for incoherent imaging of extended objects through atmospheric turbulence

[+] Author Affiliations
Svetlana L. Lachinova

Optonicus, Dayton, Ohio, United States

Mikhail A. Vorontsov

Optonicus, Dayton, Ohio, United States

University of Dayton, School of Engineering, Intelligent Optics Laboratory, Dayton, Ohio, United States

Grigory A. Filimonov

University of Dayton, School of Engineering, Intelligent Optics Laboratory, Dayton, Ohio, United States

Daniel A. LeMaster, Matthew E. Trippel

Air Force Research Laboratory, EO Target Detection and Surveillance Branch, Wright-Patterson Air Force Base, Ohio, United States

Opt. Eng. 56(7), 071509 (May 13, 2017). doi:10.1117/1.OE.56.7.071509
History: Received November 16, 2016; Accepted April 17, 2017
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Abstract.  Computational efficiency and accuracy of wave-optics-based Monte–Carlo and brightness function numerical simulation techniques for incoherent imaging of extended objects through atmospheric turbulence are evaluated. Simulation results are compared with theoretical estimates based on known analytical solutions for the modulation transfer function of an imaging system and the long-exposure image of a Gaussian-shaped incoherent light source. It is shown that the accuracy of both techniques is comparable over the wide range of path lengths and atmospheric turbulence conditions, whereas the brightness function technique is advantageous in terms of the computational speed.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Svetlana L. Lachinova ; Mikhail A. Vorontsov ; Grigory A. Filimonov ; Daniel A. LeMaster and Matthew E. Trippel
"Comparative analysis of numerical simulation techniques for incoherent imaging of extended objects through atmospheric turbulence", Opt. Eng. 56(7), 071509 (May 13, 2017). ; http://dx.doi.org/10.1117/1.OE.56.7.071509


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