Tempestas ex machina: a review of machine learning methods for wavefront control

J Fowler, R Landman - Techniques and Instrumentation for …, 2023 - spiedigitallibrary.org
As we look to the next generation of adaptive optics systems, now is the time to develop and
explore the technologies that will allow us to image rocky Earth-like planets; wavefront …

Image-based wavefront correction using model-free Reinforcement Learning

Y Gutierrez, J Mazoyer, LM Mugnier… - Optics …, 2024 - opg.optica.org
Optical aberrations prevent telescopes from reaching their theoretical diffraction limit. Once
estimated, these aberrations can be compensated for using deformable mirrors in a closed …

Making the unmodulated Pyramid wavefront sensor smart-Closed-loop demonstration of neural network wavefront reconstruction with MagAO-X

R Landman, SY Haffert, JR Males, LM Close… - Astronomy & …, 2024 - aanda.org
Almost all current and future high-contrast imaging instruments will use a Pyramid wavefront
sensor (PWFS) as a primary or secondary wavefront sensor. The main issue with the PWFS …

[HTML][HTML] Reinforcement Learning Environment for Wavefront Sensorless Adaptive Optics in Single-Mode Fiber Coupled Optical Satellite Communications Downlinks

P Parvizi, R Zou, C Bellinger, R Cheriton, D Spinello - Photonics, 2023 - mdpi.com
Optical satellite communications (OSC) downlinks can support much higher bandwidths
than radio-frequency channels. However, atmospheric turbulence degrades the optical …

Image-to-image translation for wavefront and point spread function estimation

J Smith, J Cranney, C Gretton… - Journal of Astronomical …, 2023 - spiedigitallibrary.org
We develop and evaluate a new approach to phase estimation for observational astronomy
that can be used for accurate point spread function reconstruction. Phase estimation is …

Integrating supervised and reinforcement learning for predictive control with an unmodulated pyramid wavefront sensor for adaptive optics

B Pou, J Smith, E Quinones, M Martin… - arXiv preprint arXiv …, 2024 - arxiv.org
We propose a novel control approach that combines offline supervised learning to address
the challenges posed by non-linear phase reconstruction using unmodulated pyramid …

Reinforcement learning-based wavefront sensorless adaptive optics approaches for satellite-to-ground laser communication

P Parvizi, R Zou, C Bellinger, R Cheriton… - arXiv preprint arXiv …, 2023 - arxiv.org
Optical satellite-to-ground communication (OSGC) has the potential to improve access to
fast and affordable Internet in remote regions. Atmospheric turbulence, however, distorts the …

Integrating deep neural networks with COSMIC for real-time control

B Pou, F Ferreira, E Quinones, M Martin… - … for Astronomy VIII, 2024 - spiedigitallibrary.org
We present results on integrating Machine Learning (ML) methods for adaptive optics
control with a real-time control library: COmmon Scalable and Modular Infrastructure for real …

[PDF][PDF] A Study of Network-based Wavefront Estimation with Noise

JP Smith, J Cranney, C Gretton… - Adaptive Optics for …, 2023 - hal.science
We provide an extended COMPASS simulation study of our existing Machine Learning
based approaches to wavefront estimation using Convolutional Neural Networks (CNN) …

The future looks dark: improving high contrast imaging with hyper-parameter optimization for data-driven predictive wavefront control

J Fowler, R Jensen-Clem… - … Optics Systems IX, 2024 - spiedigitallibrary.org
The direct imaging and characterization of exoplanets requires extreme adaptive optics
(XAO), achieving exquisite wavefront correction (upwards of 90% Strehl) over a narrow field …