Arbitrary wavefront uncertainty evaluation for the Shack–Hartmann wavefront sensor using physical optics propagation

J Zhou, Q He, Y Qu, D Zhao, Z Wu, J Yang - Applied Physics Letters, 2023 - pubs.aip.org
The Shack–Hartmann wavefront sensor (SHWS) is a common option to characterize optical
fields, due to its noninterference, high accuracy, and high-speed advantages. However, the …

[HTML][HTML] Extended scene deep-phase-retrieval Shack-Hartmann wavefront sensors

M Zhang, L Zhang, X Rao, H Bao, Y Guo… - Astronomy & …, 2024 - aanda.org
Context. Strong atmospheric turbulence has been a challenge for high-resolution imaging of
solar telescopes. Adaptive optics (AO) systems are capable of improving the quality of …

Large field-of-view Shack–Hartmann wavefront sensor based on a high-density lens transfer<? pag\break?> function retrieval

S Wu, Q He, J Zhou, S Liu, H Liu, J Yang - Optics Letters, 2024 - opg.optica.org
The Shack–Hartmann wavefront sensor (SHWS) is known for its high accuracy and robust
wavefront sensing capabilities. However, conventional compact SHWS confronts limitations …

Laboratory demonstration of single-camera PPPP wavefront sensing using neural networks

C Gonzalez-Gutierrez, NA Bharmal… - International Journal …, 2024 - Taylor & Francis
Laser guide stars in astronomical adaptive optics systems have the focus anisoplanatism
problem, especially for telescopes larger than 4 m in diameter. The Projected Pupil Plane …

[HTML][HTML] Wavefront error peak removal by carrier phase reconstruction technique for slope measurement type sensors

MT Nguyen, HG Rhee, YS Ghim - Optics and Lasers in Engineering, 2024 - Elsevier
A robust and novel technique for wavefront retrieval from slope data is presented in this
paper. A simple wavefront with stable error is used as a carrier wavefront for measurement …

Stable control of the phased fiber laser array under varying beam propagation distance

G Huang, C Geng, F Li, X Li - Optics & Laser Technology, 2023 - Elsevier
Phased fiber laser array (PFLA) plays an important role in laser propagation applications.
However, in many practical scenarios, the beam propagation distance is constantly …

[PDF][PDF] Compensation of Atmospheric Turbulence Phase Distortion Using Neural Network Adaptive Optics

RN Hassan - Iraqi Journal of Physics, 2024 - iasj.net
Adaptive optics revolutionizes telescopic resolution but faces cost, complexity, and
calibration hurdles. Neural network adaptive optics (NNAO) offers promise by using neural …

[PDF][PDF] Desarrollo de un sistema de reconstrucción tomográfica para óptica adaptativa solar mediante redes neuronales artificiales.

F García Riesgo - 2023 - digibuo.uniovi.es
La presente tesis versa sobre el trabajo y estudio realizado, en el ámbito de la viabilidad del
uso de las redes neuronales, como sistemas reconstructores en diferentes configuraciones …

[PDF][PDF] A Novel Wavefront Sensor for Solar Adaptive Optics Based on Integrated Photonics

ÁMA López, H García-Vázquez, JJD García… - Adaptive Optics for …, 2023 - hal.science
In this work, a novel kind of wavefront sensor (WFS) for adaptive optics in solar physics
based on integrated photonics is proposed. Shack-Hartmann and plenoptic sensors are …