Wavefront Recovery for Multiple Sun Regions in Solar SCAO Scenarios with Deep Learning Techniques

Sergio Luis Suárez Gómez (), Francisco García Riesgo, Saúl Pérez Fernández, Francisco Javier Iglesias Rodríguez, Enrique Díez Alonso, Jesús Daniel Santos Rodríguez and Francisco Javier De Cos Juez
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Sergio Luis Suárez Gómez: Department of Mathematics, University of Oviedo, 33007 Oviedo, Spain
Francisco García Riesgo: Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA), University of Oviedo, 33004 Oviedo, Spain
Saúl Pérez Fernández: Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA), University of Oviedo, 33004 Oviedo, Spain
Francisco Javier Iglesias Rodríguez: Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA), University of Oviedo, 33004 Oviedo, Spain
Enrique Díez Alonso: Department of Mathematics, University of Oviedo, 33007 Oviedo, Spain
Jesús Daniel Santos Rodríguez: Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA), University of Oviedo, 33004 Oviedo, Spain
Francisco Javier De Cos Juez: Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA), University of Oviedo, 33004 Oviedo, Spain

Mathematics, 2023, vol. 11, issue 7, 1-12

Abstract: The main objective of an Adaptive Optics (AO) system is to correct the aberrations produced in the received wavefronts, caused by atmospheric turbulence. From some measures taken by ground-based telescopes, AO systems must reconstruct all the turbulence traversed by the incoming light and calculate a correction. The turbulence is characterized as a phenomenon that can be modeled as several independent, random, and constantly changing layers. In the case of Solar Single-Conjugated Adaptive Optics (Solar SCAO), the key is to reconstruct the turbulence on-axis with the direction of the observation. Previous research has shown that ANNs are a possible alternative when they have been trained in the Sun’s regions where they must make the reconstructions. Along this research, a new solution based on Artificial Intelligence (AI) is proposed to predict the atmospheric turbulence from the data obtained by the telescope sensors that can generalize recovering wavefronts in regions of the sun completely unknown previously. The presented results show the quality of the reconstructions made by this new technique based on Artificial Neural Networks (ANNs), specifically the Multi-layer Perceptron (MLP).

Keywords: adaptive optics; artificial neural networks; mathematical modeling (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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