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Related papers: Multi-Conjugate Adaptive Optics Simulator for the …

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Adaptive optics (AO) is a technique to improve the resolution of ground-based telescopes by correcting, in real-time, optical aberrations due to atmospheric turbulence and the telescope itself. With the rise of Giant Segmented Mirror…

Three-photon (3-P) fluorescence microscopy enables deep in vivo imaging with subcellular resolution, but its performance is fundamentally constrained by the maximum permissible laser power required to avoid tissue heating and photodamage.…

Optics · Physics 2026-03-04 Qi Hu , Jingyu Wang , Huriye Atilgan , Armin Lak , Martin J. Booth

The Planetary Systems Imager (PSI) is a proposed instrument for the Thirty Meter Telescope (TMT) that provides an extreme adaptive optics (AO) correction to a multi-wavelength instrument suite optimized for high contrast science. PSI's…

The performance of a wide-field adaptive optics system depends on input design parameters. Here we investigate the performance of a multi-object adaptive optics system design for the European Extremely Large Telescope, using an end-to-end…

Instrumentation and Methods for Astrophysics · Physics 2016-09-21 Alastair Basden , Tim Morris

This paper introduces Helios, the first extremely low-power, real-time, event-based hand gesture recognition system designed for all-day on smart eyewear. As augmented reality (AR) evolves, current smart glasses like the Meta Ray-Bans…

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

Agile Earth Observation Satellites (AEOSs) constellations offer unprecedented flexibility for monitoring the Earth's surface, but their scheduling remains challenging under large-scale scenarios, dynamic environments, and stringent…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Luting Wang , Yinghao Xiang , Hongliang Huang , Dongjun Li , Chen Gao , Si Liu

A unique sample independent 3D self calibration methodology is tested on a unique optical coherence tomography and multi-spectral scanning laser ophthalmoscope (OCT-SLO) hybrid system. Operators visual cognition is replaced by computer…

Medical Physics · Physics 2024-08-08 Mayank Goswami

The Deformable Mirror Simulator (DMS) is an optical device reproducing the F/13 beam from the adaptive secondary mirror of the Very Large Telescope UT4. The system has been designed and integrated as a test tool for the calibration and…

Instrumentation and Methods for Astrophysics · Physics 2022-07-29 Runa Briguglio , Armando Riccardi , Luca Carbonaro , Enrico Pinna , Chiara Selmi , Paolo Grani

Aims: for the first time the astrometric capabilities of the Multi-Conjugate Adaptive Optics (MCAO) facility GeMS with the GSAOI camera on Gemini-South are tested to quantify the accuracy in determining stellar proper motions in the…

Solar and Stellar Astrophysics · Physics 2016-10-26 D. Massari , G. Fiorentino , A. McConnachie , A. Bellini , E. Tolstoy , P. Turri , D. Andersen , G. Bono , P. B. Stetson , J. -P. Véran

Recent advances in adaptive optics (AO) have led to the implementation of wide field-of-view AO systems. A number of wide-field AO systems are also planned for the forthcoming Extremely Large Telescopes. Such systems have multiple wavefront…

In this paper we present the Adaptive Optics Lucky Imager (AOLI), a state-of-the-art instrument which makes use of two well proved techniques for extremely high spatial resolution with ground-based telescopes: Lucky Imaging (LI) and…

Adaptive optics (AO) are reconfigurable devices that compensate for wavefront distortions or aberrations in optical systems such as microscopes, telescopes and ophthalmoscopes. Aberrations have detrimental effects that can reduce imaging…

Optics · Physics 2025-06-10 Biwei Zhang , Martin J. Booth , Qi Hu

EOS is a technology demonstrator, designed to explore the capabilities of hybrid event detection technology, leveraging both Cherenkov and scintillation light simultaneously. With a fiducial mass of four tons, EOS is designed to operate in…

The Magellan Adaptive Secondary AO system, scheduled for first light in the fall of 2011, will be able to simultaneously perform diffraction limited AO science in both the mid-IR, using the BLINC/MIRAC4 10\{mu}m camera, and in the visible…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 Derek Kopon , Laird M. Close , Jared R. Males , Victor Gasho , Katherine Follette

Programmable spatiotemporal control of light is crucial for advancements in optical communications, imaging, and quantum technologies. Commercial spatial light modulators (SLMs) typically have megapixel-scale apertures but are limited to…

Adaptive Optics projects at Subaru Telescope span a wide field of capabilities ranging from ground-layer adaptive optics (GLAO) providing partial correction over a 20 arcmin FOV to extreme adaptive optics (ExAO) for exoplanet imaging. We…

LAGO, the Latin American Giant Observatory, is an extended cosmic ray observatory, consisting of a wide network of water Cherenkov detectors located in 10 countries. With different altitudes and geomagnetic rigidity cutoffs, their…

Instrumentation and Methods for Astrophysics · Physics 2022-04-07 Antonio Juan Rubio-Montero , Raúl Pagán-Muñoz , Rafael Mayo-García , Alfonso Pardo-Diaz , Iván Sidelnik , Hernán Asorey

To fulfill the requirements for testing the photomultiplier tubes (PMTs) of the electromagnetic detec- tor at the Large High Altitude Air Shower Observatory (LHAASO), a multi-functional PMT test bench with a two dimensional scanning system…

Instrumentation and Detectors · Physics 2016-08-24 Xu Wang , Zhong-Quan Zhang , Ye Tian , Yan-Yan Du , Xiao Zhao , Fu-Wang Shen , Chang-Yu Li , Yansheng Sun , Cunfeng Feng

Independent indoor mobility remains a critical challenge for individuals with visual impairments, largely due to the limited capability of existing assistive systems in detecting fine-grained hazardous objects such as chairs, tables, and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Qi He , XiangXiang Wang , Jingtao Zhang , Yongbin Yu , Hongxiang Chu , Manping Fan , JingYe Cai , Zhenglin Yang