A review: Applications of the spectral finite element method

MB Hafeez, M Krawczuk - Archives of Computational Methods in …, 2023 - Springer
Abstract The Spectral Finite Element Technique (SFEM) has Several Applications in the
Sciences, Engineering, and Mathematics, which will be Covered in this Review Article. The …

Outer scale of turbulence and its influence on fluctuations of optical waves

VP Lukin - Physics-Uspekhi, 2021 - iopscience.iop.org
Based on generalizations of numerous measurements and calculations, the influence of the
low-frequency part of the atmospheric turbulence spectrum, directly adjacent to the inertial …

Continuous daytime and nighttime forecast of atmospheric optical turbulence from numerical weather prediction models

F Quatresooz, R Griffiths, L Bardou, R Wilson… - Optics …, 2023 - opg.optica.org
Future satellite-to-ground optical communication systems will benefit from accurate forecasts
of atmospheric optical turbulence; namely for site selection, for the routing and the operation …

Optical turbulence forecasts at short time-scales using an autoregressive method at the Very Large Telescope

E Masciadri, A Turchi, L Fini - Monthly Notices of the Royal …, 2023 - academic.oup.com
In this study we demonstrate that we can provide forecasts of all the main astroclimatic
parameters (seeing, wavefront coherence time, isoplanatic angle, and ground-layer fraction) …

Contribution of statistical site learning to improve optical turbulence forecasting

C Giordano, A Rafalimanana, A Ziad… - Monthly Notices of …, 2021 - academic.oup.com
The forecast for atmospheric and turbulence conditions above astronomical observatories is
of interest to the astronomical community because it allows observations to be planned with …

MOSE: operational forecast of the optical turbulence and atmospheric parameters at European Southern Observatory ground-based sites–I. Overview and vertical …

E Masciadri, F Lascaux, L Fini - Monthly Notices of the Royal …, 2013 - academic.oup.com
We present an overview of the MOSE (MOdelling ESO Sites) project that aims to prove the
feasibility of the forecast of the classical atmospheric parameters (wind-speed intensity and …

A global turbulence model shows excellent atmospheric optical turbulence conditions over the Ethiopian plateau during non-rainy season

C Qing, C Bi, W Zhu, X Qian, L Kang… - Monthly Notices of the …, 2023 - academic.oup.com
ABSTRACT A worldwide search is currently being conducted to determine the most
appropriate sites for the next generation of large optical and infrared telescopes. Here, we …

Optical turbulence forecast: ready for an operational application

E Masciadri, F Lascaux, A Turchi… - Monthly Notices of the …, 2017 - academic.oup.com
One of the main goals of the feasibility study MOSE (MOdelling ESO Sites) is to evaluate the
performances of a method conceived to forecast the optical turbulence (OT) above the …

Forecasting seeing for the Maunakea Observatories

R Lyman, T Cherubini, S Businger - Monthly Notices of the Royal …, 2020 - academic.oup.com
Optical turbulence greatly impacts the range and quality of astronomical observations.
Advanced knowledge of the expected atmospheric optical turbulence provides important …

Distortion compensation for orbital angular momentum beams: from probing to deep learning

Y Guo, L Li, J Wang, C Gao, S Fu - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
Beams carrying orbital angular momentum (OAM), has attracted wide interests recently, due
to their favorable potential in communications, optical tweezers, remote detection, etc …