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We present a conceptual design of a high-performance camera system with applications to neutrino detectors, deep sea exploration, and glaciology. The design combines ultra-sensitive cameras with a number of well-calibrated light sources…

Instrumentation and Methods for Astrophysics · Physics 2023-08-08 Carsten Rott , Segev BenZvi , Mike DuVernois , Kenneth Golden , Benjamin Jones , Christoph Toennis

More than 450 exoplanets are known and this number increases nearly every day. Only a few constraints on their orbital parameters and physical characteristics can be determined, as most exoplanets are detected indirectly. Measuring the…

Instrumentation and Methods for Astrophysics · Physics 2010-05-28 Eva Meyer

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 devoted to reconstruct the point spread function (PSF),…

The Multiconjugate Adaptive optics Demonstrator (MAD) for ESO-Very Large Telescopes (VLT) will demonstrate on sky the MultiConjugate Adaptive Optics (MCAO) technique. In this paper the laboratory tests relative to the first preliminary…

Instrumentation and Methods for Astrophysics · Physics 2014-11-20 Carmelo Arcidiacono , Matteo Lombini , Emiliano Diolaiti , Jacopo Farinato , Roberto Ragazzoni

The era of the next generation of giant telescopes requires not only the advent of new technologies but also the development of novel methods, in order to exploit fully the extraordinary potential they are built for. Global Multi Conjugate…

In many applications, such as the detection of ultra-high energy cosmic rays using the air fluorescence method, the number of photons incident on the detector must be known. This requires a precise knowledge of the absolute efficiency of…

Instrumentation and Detectors · Physics 2015-06-22 Carl Blaksley , Philippe Gorodetzky

As new large-scale astronomical surveys greatly increase the number of objects targeted and discoveries made, the requirement for efficient follow-up observations is crucial. Adaptive optics imaging, which compensates for the image-blurring…

Compact and low-cost devices are needed for autonomous driving to image and measure distances to objects 360-degree around. We have been developing an omnidirectional stereo camera exploiting two hyperbolic mirrors and a single set of a…

Image and Video Processing · Electrical Eng. & Systems 2021-08-19 Ryota Kawamata , Keiichi Betsui , Kazuyoshi Yamazaki , Rei Sakakibara , Takeshi Shimano

This paper presents an adaptive multi-model framework for jointly estimating spacecraft attitude and star-tracker misalignments in GPS-denied deep-space CubeSat missions. A Multiplicative Extended Kalman Filter (MEKF) estimates attitude,…

Systems and Control · Electrical Eng. & Systems 2026-01-06 Ridma Ganganath , Simone Servadio , David Daeyoung Lee

ESA's Hera space mission is on its way to the mission target, the binary asteroid (65803) Didymos. HyperScout-H, one of the instruments onboard Hera, is a hyperspectral imager operating in the visible and near-infrared regions between 0.65…

We review astronomical results in the visible ({\lambda}<1{\mu}m) with adaptive optics. Other than a brief period in the early 1990s, there has been little astronomical science done in the visible with AO until recently. The most productive…

Clio is an adaptive-optics camera mounted on the 6.5 meter MMT optimized for diffraction-limited L' and M-band imaging over a ~15'' field. The instrument was designed from the ground up with a large well-depth, fast readout thermal infrared…

Astrophysics · Physics 2009-11-11 S. Sivanandam , P. M. Hinz , A. N. Heinze , M. Freed , A. H. Breuninger

The future generation of telescopes will be equipped with multi-conjugate adaptive optics (MCAO) systems in order to obtain high angular resolution over large fields of view. MCAO comes in two flavors: star- and layer-oriented. Existing…

Instrumentation and Methods for Astrophysics · Physics 2014-05-02 Aglae Kellerer

With the commissioning of the refurbished adaptive secondary mirror (ASM) for the 6.5-meter MMT Observatory under way, special consideration had to be made to properly calibrate the mirror response functions to generate an interaction…

Instrumentation and Methods for Astrophysics · Physics 2024-08-14 Jacob Taylor , Robin Swanson , Parker Levesque , Masen Lamb , Amali Vaz , Manny Montoya , Andrew Gardner , Katie M. Morzinski , Suresh Sivanandam

We analise the efficiency of wavefront reconstruction in the MultiConjugate Adaptive Optics system for the European Solar Telescope (EST). We present preliminary results derived from numerical simulations. We study a 4 meter class telescope…

Instrumentation and Methods for Astrophysics · Physics 2009-12-15 M. Stangalini , R. Piazzesi , D. Del Moro , F. Berrilli

Multifocal plane microscopy (MUM) allows three dimensional objects to be imaged in a single camera frame. Our approach uses dual orthogonal diffraction phase gratings with a quadratic distortion of the lines to apply defocus to the first…

Optics · Physics 2020-03-13 Benjamin Gore , Noah Schwartz , Paul Dalgarno

Embedded flight devices with visual capabilities have become essential for a wide range of applications. In aerial image detection, while many existing methods have partially addressed the issue of small target detection, challenges remain…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Yao Xiao , Tingfa Xu , Yu Xin , Jianan Li

The Giant Magellan Adaptive Optics eXtreme (GMagAO-X) instrument is a first-light high-contrast imaging instrument for the Giant Magellan Telescope (GMT). GMagAO-X's broad wavelength range and the large 25-meter aperture of the GMT creates…

Instrumentation and Methods for Astrophysics · Physics 2024-07-19 Sebastiaan Y. Haffert , Jared R Males , Laird M. Close , Maggie Y. Kautz , Olivier Durney , Olivier Guyon

METIS, the Mid-infrared ELT Imager and Spectrograph (formerly called MIDIR), is a proposed instrument for the European Extremely Large Telescope (E-ELT), currently undergoing a phase-A study. The study is carried out within the framework of…

MAVIS (MCAO-Assisted Visible Imager and Spectrograph) is an instrument proposed for the VLT Adaptive Optics Facility (AOF), which is currently in the phase-A conceptual design study. It will be the first instrument performing…