activity
20132025
most citedPhase-contrast THz-CT for non-destructive testing

51 citations · 259 across the 38 of their papers we have counts for

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14 papers · 1 filter

astro-ph.IM2024

High fidelity adaptive mirror simulations with reduced order models

Bernadett Stadler, Roberto Biasi, Mauro Manetti +3

In the design process of large adaptive mirrors numerical simulations represent the first step to evaluate the system design compliance in terms of performance, stability and robus…

astro-ph.IM2023★ 4 cited

Off-axis Point Spread Function Reconstruction for Single Conjugate Adaptive Optics

Roland Wagner, Jenny Niebsch, Ronny Ramlau

Modern Giant Segmented Mirror Telescopes (GSMTs) like the Extremely Large Telescope, which is currently under construction, depend heavily on Adaptive Optics (AO) systems to correc…

astro-ph.IM2022

LBT SOUL data as a science test bench for MICADO PSF-R tool

Matteo Simioni, Carmelo Arcidiacono, Roland Wagner +14

Current state-of-the-art adaptive optics (AO) provides ground-based, diffraction-limited observations with high Strehl ratios (SR). However, a detailed knowledge of the point sprea…

astro-ph.IM2022

Point spread function reconstruction for SOUL+LUCI LBT data

Matteo Simioni, Carmelo Arcidiacono, Roland Wagner +14

This paper presents the status of an ongoing project aimed at developing a PSF reconstruction software for adaptive optics (AO) observations. In particular, we test for the first t…

astro-ph.IM2022

Performance of an iterative wavelet reconstructor for the Multi-conjugate Adaptive Optics RelaY of ESO's ELT

Bernadett Stadler, Ronny Ramlau

The Multi-conjugate Adaptive Optics RelaY (MAORY) is one of the key Adaptive Optics (AO) systems on the European Southern Observatory's Extremely Large Telescope. MAORY aims to ach…

astro-ph.IM2020★ 1 cited

MICADO PSF-Reconstruction work package description

Matteo Simioni, Carmelo Arcidiacono, Andrea Grazian +25

The point spread function reconstruction (PSF-R) capability is a deliverable of the MICADO@ESO-ELT project. The PSF-R team works on the implementation of the instrument software de…

astro-ph.IM2020

Direction dependent Point spread function reconstruction for Multi-Conjugate Adaptive Optics on Giant Segmented Mirror Telescopes

Roland Wagner, Daniela Saxenhuber, Ronny Ramlau +1

Modern Giant Segmented Mirror Telescopes (GSMT) like the Extremely Large Telescope (ELT), currently under construction depend heavily on Adaptive Optics (AO) systems to correct for…

astro-ph.IM2020

An augmented wavelet reconstructor for atmospheric tomography

Ronny Ramlau, Bernadett Stadler

Atmospheric tomography, i.e. the reconstruction of the turbulence profile in the atmosphere, is a challenging task for adaptive optics (AO) systems of the next generation of extrem…

astro-ph.IM2018★ 19 cited

Real-time Adaptive Optics with pyramid wavefront sensors: A theoretical analysis of the pyramid sensor model

Victoria Hutterer, Ronny Ramlau, Iuliia Shatokhina

We consider the mathematical background of the wavefront sensor type that is widely used in Adaptive Optics systems for astronomy, microscopy, and ophthalmology. The theoretical an…

astro-ph.IM2018★ 7 cited

Real-time Adaptive Optics with pyramid wavefront sensors: Accurate wavefront reconstruction using iterative methods

Victoria Hutterer, Ronny Ramlau, Iuliia Shatokhina

In this paper, we address the inverse problem of fast, stable, and high-quality wavefront reconstruction from pyramid wavefront sensor data for Adaptive Optics systems on Extremely…

astro-ph.IM2018★ 26 cited

Non-linear wavefront reconstruction methods for pyramid sensors using Landweber and Landweber-Kaczmarz iteration

Victoria Hutterer, Ronny Ramlau

Accurate and robust wavefront reconstruction methods for pyramid wavefront sensors are in high demand as these sensors are planned to be part of many instruments currently under de…

astro-ph.IM2018

The MICADO first light imager for the ELT: overview, operation, simulation

Richard Davies, João Alves, Yann Clénet +98

MICADO will enable the ELT to perform diffraction limited near-infrared observations at first light. The instrument's capabilities focus on imaging (including astrometric and high…

astro-ph.IM2017★ 13 cited

Atmospheric turbulence profiling with unknown power spectral density

Tapio Helin, Stefan Kindermann, Jonatan Lehtonen +1

Adaptive optics (AO) is a technology in modern ground-based optical telescopes to compensate the wavefront distortions caused by atmospheric turbulence. One method that allows to r…

astro-ph.IM2016★ 25 cited

MICADO: first light imager for the E-ELT

R. Davies, J. Schubert, M. Hartl +80

MICADO will equip the E-ELT with a first light capability for diffraction limited imaging at near-infrared wavelengths. The instrument's observing modes focus on various flavours o…