Image-plane scintillation of complex targets in diverse heterogenous turbulent regimes

Darío G. Pérez, Marco Sepúlveda, Leandro Nuñez

Research output: Contribution to journalConference articlepeer-review


We have previously reported [D. G. Perez et al., Imaging Appl. Opt. 2019 (pcAOP), invited talk] that image-plane scintillation index can provide a universal law to extract Cn2—independent of the target shape and light source. Also, we observed σI2 > 1 on the image plane occurs at any turbulence strength; particularly, as we move from weak to strong optical turbulence the number of pixels with scintillation greater than one increases in the neighborhood of high-contrast regions (edges). As the number of pixels with large scintillation values is observed with higher frequency in targets illuminated with incoherent light, whether wandering plays a mayor influence or not in image-plane scintillation regardless of the turbulent regime is still unknown. In this communication, we have devised a new experiment capable of differentiating the contributions of amplitude and phase to the pixel scintillation. Moreover, structured targets were introduced to distinguish anisotropic regimes, a property that was largely undetected in our original setup.

Original languageEnglish
Article numberPTu4D.5
JournalOptics InfoBase Conference Papers
StatePublished - 2022
EventPropagation Through and Characterization of Atmospheric and Oceanic Phenomena, pcAOP 2022 - Vancouver, Canada
Duration: 11 Jul 202215 Jul 2022


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