Modeling and simulation of systems imaging through atmospheric turbulence

Maria Z. Caponi

doi:10.1117/12.43684

1 May 1991 Modeling and simulation of systems imaging through atmospheric turbulence

Maria Z. Caponi

Proceedings Volume 1415, Modeling and Simulation of Laser Systems II; (1991) https://doi.org/10.1117/12.43684
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States

Abstract

The image resolution of a conventional imagaing system is limited by aberrations produced by the intervening atmosphere. Nonlinear optical techniques like real-time holography can be used in a single-pass configuration to correct for the turbulent aberrations. In this paper the authors present analytical calculations using the modulation transfer function (MTF) approach and numerical simulations using the three dimensional wave optics code GLAD-386 of the resolution characteristics of nonlinear holographic and conventional imaging systems for extended and thin aberrators. The MTF approach under predicts for conventional images and over predicts for holographic images the effect of random apodization and anisoplanatism. For strong but thin aberrators, diffraction limited resolution with a large field of view (FOV) can be obtained using a holographic imaging system.

Citation Download Citation

Maria Z. Caponi "Modeling and simulation of systems imaging through atmospheric turbulence", Proc. SPIE 1415, Modeling and Simulation of Laser Systems II, (1 May 1991); https://doi.org/10.1117/12.43684

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