Modeling classical wavefront sensors

C Wang, Q Fu, X Dun, W Heidrich - Optics Express, 2020 - opg.optica.org
… In this paper, we model classical wavefront sensors in a unified framework, extending our …
We consider wavefront sensors working under collimated white light illumination with sensor

Real-time adaptive optics with pyramid wavefront sensors: part I. A theoretical analysis of the pyramid sensor model

V Hutterer, R Ramlau, I Shatokhina - Inverse Problems, 2019 - iopscience.iop.org
… We derive detailed mathematical models for the pyramid sensor and the physically simpler
roof wavefront sensor as well as their various approximations. Additionally, we calculate …

Review on methods for wavefront reconstruction from pyramid wavefront sensor data

I Shatokhina, V Hutterer… - Journal of Astronomical …, 2020 - spiedigitallibrary.org
modeling of the pyramid-type wavefront sensors data are reviewed. The description of various
modeling … development of understanding of how the sensor works. This perspective also …

Wave-front sensors

G Rousset - Adaptive optics in astronomy, 1999 - books.google.com
wave-front sensor (WFS) is one of the basic elements of an adaptive optics system. The
requirements are to sense the wave front (… The importance of WF sensing is better understood by …

Wavefront sensing reveals optical coherence

B Stoklasa, L Motka, J Rehacek, Z Hradil… - Nature …, 2014 - nature.com
… , the Shack–Hartmann wavefront sensor can be instrumental in … This seems to indicate that
classical methods employed … are very difficult to analyse with the standard wavefront sensors

Modeling noise propagation in Fourier-filtering wavefront sensing, fundamental limits, and quantitative comparison

V Chambouleyron, O Fauvarque, C Plantet… - Astronomy & …, 2023 - aanda.org
… The wavefront sensor (WFS) is one of the key components of … WFS: the Fourier-filtering
wavefront sensors (FFWFSs). This … fundamental sensitivity limit of these sensors. Furthermore, a …

[PDF][PDF] Wavefront sensors in adaptive optics

TY Chew - 2008 - ir.canterbury.ac.nz
… Diffraction is approximated with the Fresnel and Fraunhofer diffraction models, which are
the main mathematical tools used in this thesis. Lastly, the newer optical techniques of Fourier …

Improved machine learning approach for wavefront sensing

H Guo, Y Xu, Q Li, S Du, D He, Q Wang, Y Huang - Sensors, 2019 - mdpi.com
… of wavefront sensing-less technology, a phase-based sensing … root-mean-square of wavefront
error of the proposed method … and it has broad prospects for real-time wavefront sensing. …

Pyramid wavefront sensor optical gains compensation using a convolutional model

V Chambouleyron, O Fauvarque… - Astronomy & …, 2020 - aanda.org
wavefront sensors (PyWFS) over the more widely used Shack–Hartmann wavefront sensor
… The PyWFS, a sensor based on Fourier filtering, has proven to be highly successful in many …

Focal plane wavefront sensing using machine learning: performance of convolutional neural networks compared to fundamental limits

G Orban De Xivry, M Quesnel… - Monthly Notices of …, 2021 - academic.oup.com
… The models are trained on labelled data sets and evaluated … that the CNN-based models
reach the photon noise limit in a … to see how it competes with ‘classical’ approaches in a lower …