Numerical representation of Rayleigh-Bénard convection for the study of optical propagation through turbulence

Silvia Matt; K. Peter Judd; Svetlana Avramov-Zamurovic; Abbie T. Watnik; Robert Handler

doi:10.1117/12.2622109

30 May 2022 Numerical representation of Rayleigh-Bénard convection for the study of optical propagation through turbulence

Silvia Matt, K. Peter Judd, Svetlana Avramov-Zamurovic, Abbie T. Watnik, Robert Handler

Author Affiliations +

Proceedings Volume 12118, Ocean Sensing and Monitoring XIV; 121180B (2022) https://doi.org/10.1117/12.2622109
Event: SPIE Defense + Commercial Sensing, 2022, Orlando, Florida, United States

Abstract

Optical propagation through turbulence remains a topic of active research and is critically important to the development of novel optical communication systems in both air and water. A widely used tool to study propagation through turbulence are laboratory tanks where optically active turbulence is generated through heating and cooling of the horizontal tank walls, akin to classic Rayleigh-Bénard convection. An important complement to the laboratory setup are numerical simulations that can supplement the sparser laboratory measurements through full fields of temperature and velocity. Such simulations can also provide phase screens for modeling of optical propagation through turbulence. We performed numerical simulations of different configurations of Rayleigh-Bénard turbulence tanks for comparison to other physical and numerical convective tanks. Results then provided the basis for optical modeling and the description of beam wander due to optical turbulence.

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Citation Download Citation

Silvia Matt, K. Peter Judd, Svetlana Avramov-Zamurovic, Abbie T. Watnik, and Robert Handler "Numerical representation of Rayleigh-Bénard convection for the study of optical propagation through turbulence", Proc. SPIE 12118, Ocean Sensing and Monitoring XIV, 121180B (30 May 2022); https://doi.org/10.1117/12.2622109

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