Key wavefront sensors features for laser-assisted tomographic adaptive optics systems on the Extremely Large Telescope
Laser guide star (LGS) wave-front sensing (LGSWFS) is a key element of tomographic
adaptive optics system. However, when considering Extremely Large Telescope (ELT) …
adaptive optics system. However, when considering Extremely Large Telescope (ELT) …
Evaluating the performance of an Ingot wavefront sensor for the ELT: good news from simulations
As the new generation of telescopes is coming soon, we need to solve or improve some
issues related to the adaptive optics techniques, necessary to fully exploit their extraordinary …
issues related to the adaptive optics techniques, necessary to fully exploit their extraordinary …
The Ingot WFS on an ELT-like telescope: the project and simulations
The Ingot WFS represents an innovative and indispensable class of sensors conceived to
overcome some limitations due to the LGSs geometry, which is significantly different from the …
overcome some limitations due to the LGSs geometry, which is significantly different from the …
An Ingot-like class of WaveFront Sensors for Laser Guide Stars
R Ragazzoni, E Portaluri, D Greggio, M Dima… - arxiv preprint arxiv …, 2024 - aanda.org
Context. Full sky coverage adaptive optics (AO) on extremely large telescopes requires the
adoption of several laser guide stars as references. With such large apertures, the apparent …
adoption of several laser guide stars as references. With such large apertures, the apparent …
Laboratory testing of the Ingot WFS
S Di Filippo, D Greggio, M Bergomi… - … Optics Systems VIII, 2022 - spiedigitallibrary.org
The ingot WFS is a new kind of wavefront sensor specifically designed to deal with the
elongation of LGS reference sources on ELT-class telescopes. Like the pyramid, it belongs …
elongation of LGS reference sources on ELT-class telescopes. Like the pyramid, it belongs …
Pupil plane WFSs for LGS systems of giant telescopes: the case of Ingot
E Portaluri, R Ragazzoni, D Greggio… - … Optics Systems IX, 2024 - spiedigitallibrary.org
The Ingot WFS belongs to a class of pupil-plane WFSs designed to address the challenges
posed by Sodium Laser Guide Stars, and consists of a combination of refractive and …
posed by Sodium Laser Guide Stars, and consists of a combination of refractive and …
New developments on the Ingot WFS laboratory testing
TSG Machado, S Di Filippo… - … Optics Systems IX, 2024 - spiedigitallibrary.org
The Ingot WFS was designed to overcome some of the challenges present in classical
wavefront sensors when they deal with sodium LGSs. This innovative sensor works by …
wavefront sensors when they deal with sodium LGSs. This innovative sensor works by …
Twenty-eight and counting
R Ragazzoni - arxiv preprint arxiv:2310.09850, 2023 - arxiv.org
After 28 years from the conception of the pyramid WFS several new kind of devices able to
convert wavefront shape into some sort of different illumination on a detector have been …
convert wavefront shape into some sort of different illumination on a detector have been …
[PDF][PDF] The Ingot Wavefront Sensor: Updates from the laboratory test bench
TSG Machado, S Di Filippo, M Bergomi… - Adaptive Optics for …, 2023 - hal.science
ABSTRACT Sodium LGS let Adaptive Optics (AO) systems dramatically increase the sky
coverage, but at the same time, they suffer from some limitations imposed by their natural …
coverage, but at the same time, they suffer from some limitations imposed by their natural …
[PDF][PDF] A pupil-plane LGS wavefront sensor for the next-generation telescopes: the Ingot WFS
E Portaluri, KR Santhakumari, R Ragazzoni… - Adaptive Optics for …, 2023 - hal.science
We present a well-known concept of pupil-plane WFS, proposed 20 years ago, but
developed recently to cope with some typical limitations and problems of using LGS …
developed recently to cope with some typical limitations and problems of using LGS …