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The wide-field spectroscopic survey telescope (WST) is proposed to become the next large optical/near infrared facility for the European Southern Observatory (ESO) once the Extremely Large Telescope (ELT) has become operational. While the…

Instrumentation and Methods for Astrophysics · Physics 2023-08-31 Roland Bacon , Martin M. Roth , Paola Amico , Eloy Hernandez , the WST Consortium

Integral field spectroscopy allows for spectral mapping of extended sources in a time efficient manner. An integral field unit (IFU) in the ultraviolet on Habitable Worlds Observatory (HWO) could be used to quickly map extended objects like…

The performance of adaptive optics systems employing sodium laser guide stars can be improved by continuously monitoring the vertical density structure of mesospheric sodium along the line of sight. We demonstrate that sodium density…

Instrumentation and Methods for Astrophysics · Physics 2020-04-01 Joschua A. Hellemeier , Domenico Bonaccini Calia , Paul Hickson , Angel Otarola , Thomas Pfrommer

Sensing capability is one of the most highlighted new feature of future 6G wireless networks. This paper addresses the sensing potential of Large Intelligent Surfaces (LIS) in an exemplary Industry 4.0 scenario. Besides the attention…

Signal Processing · Electrical Eng. & Systems 2021-04-14 Cristian J. Vaca-Rubio , Pablo Ramirez-Espinosa , Kimmo Kansanen , Zheng-Hua Tan , Elisabeth de Carvalho , Petar Popovski

In the last two decades many people have been searching for the optimal wavefront sensor as it can boost the performance of high-contrast imagining by orders of magnitude on the ELTs. According classical information theory, the optimal…

Instrumentation and Methods for Astrophysics · Physics 2023-10-18 Sebastiaan Y. Haffert , Jared R. Males , Olivier Guyon

The Large Synoptic Survey Telescope (LSST) will use an active optics system (AOS) to maintain alignment and surface figure on its three large mirrors. Corrective actions fed to the LSST AOS are determined from information derived from 4…

Instrumentation and Methods for Astrophysics · Physics 2015-10-26 Bo Xin , Chuck Claver , Ming Liang , Srinivasan Chandrasekharan , George Angeli , Ian Shipsey

Plantar pressure measurement, or pedobarography, is an essential tool for analyzing human motion in healthy individuals and patients. Across the reviewed literature, sensor insoles are motivated as wearable, mobile solutions for assessing…

Gravitational waves (GWs) can be distorted by intervening mass distributions while propagating, leading to frequency-dependent modulations that imprint a distinct signature on the observed waveforms. Bayesian inference for GW lensing with…

General Relativity and Quantum Cosmology · Physics 2026-01-15 Juno C. L. Chan , Lorena Magaña Zertuche , Jose María Ezquiaga , Rico K. L. Lo , Luka Vujeva , Joey Bowman

In this article, we compare a set of Wave Front Sensors (WFS) based on Fourier filtering technique. In particular, this study explores the "class of pyramidal WFS" defined as the 4 faces pyramid WFS, all its recent variations (6, 8 faces,…

Instrumentation and Methods for Astrophysics · Physics 2017-03-10 Olivier Fauvarque , Benoit Neichel , Thierry Fusco , Jean-François Sauvage , Orion Giraut

The Shack-Hartmann Wavefront Sensor (WFS) is well-known in the fields of optical metrology, wavefront sensing in astronomy, and ophthalmologic control applications. The purpose of this communication is to bring new insights on the…

Instrumentation and Methods for Astrophysics · Physics 2019-09-12 Francois Henault , Cyril Pannetier

Optical Fourier surfaces (OFSs), featuring sinusoidally profiled diffractive elements, manipulate light through patterned nanostructures and incident angle modulation. Compared to altering structural parameters, tuning elevation and azimuth…

We developed a Bessel light sheet fluorescence microscopy (LSFM) system to enable high-speed, wide-field intra-vital imaging of zebrafish and other thick biological samples. This system uses air objectives for the convenient mounting of…

Optics · Physics 2023-11-07 Chuhui Wang , Jiaju Chen , Cuiyi Peng , Zhenglin Chen , Dongmei Yu , Peiwu Qin

Global Navigation Satellite Systems enable precise localization and timing even for highly mobile devices, but legacy implementations provide only limited support for the new generation of security-enhanced signals. Inertial Measurement…

Cryptography and Security · Computer Science 2025-02-07 Tore Johansson , Marco Spanghero , Panos Papadimitratos

LISA PathFinder (LPF) will be flown with the objective to test in space key technologies for LISA. However its sensitivity goals are, for good reason, one order of magnitude less than those which LISA will have to meet, both in drag-free…

LISA, the Laser Interferometer Space Antenna, will usher in a new era in gravitational-wave astronomy. As the first anticipated space-based gravitational-wave detector, it will expand our view to the millihertz gravitational-wave sky, where…

General Relativity and Quantum Cosmology · Physics 2026-05-04 LISA Consortium Waveform Working Group , Niayesh Afshordi , Sarp Akçay , Pau Amaro Seoane , Andrea Antonelli , Josu C. Aurrekoetxea , Leor Barack , Enrico Barausse , Robert Benkel , Laura Bernard , Sebastiano Bernuzzi , Emanuele Berti , Matteo Bonetti , Béatrice Bonga , Gabriele Bozzola , Richard Brito , Alessandra Buonanno , Alejandro Cárdenas-Avendaño , Marc Casals , David F. Chernoff , Alvin J. K. Chua , Katy Clough , Marta Colleoni , Geoffrey Compère , Mekhi Dhesi , Adrien Druart , Leanne Durkan , Guillaume Faye , Deborah Ferguson , Scott E. Field , William E. Gabella , Juan García-Bellido , Miguel Gracia-Linares , Davide Gerosa , Stephen R. Green , Maria Haney , Mark Hannam , Anna Heffernan , Tanja Hinderer , Thomas Helfer , Scott A. Hughes , Sascha Husa , Soichiro Isoyama , Michael L. Katz , Chris Kavanagh , Gaurav Khanna , Larry E. Kidder , Valeriya Korol , Lorenzo Küchler , Pablo Laguna , François Larrouturou , Alexandre Le Tiec , Benjamin Leather , Eugene A. Lim , Hyun Lim , Tyson B. Littenberg , Oliver Long , Carlos O. Lousto , Geoffrey Lovelace , Georgios Lukes-Gerakopoulos , Philip Lynch , Rodrigo P. Macedo , Charalampos Markakis , Elisa Maggio , Ilya Mandel , Andrea Maselli , Josh Mathews , Pierre Mourier , David Neilsen , Alessandro Nagar , David A. Nichols , Jan Novák , Maria Okounkova , Richard O'Shaughnessy , Naritaka Oshita , Conor O'Toole , Zhen Pan , Paolo Pani , George Pappas , Vasileios Paschalidis , Harald P. Pfeiffer , Lorenzo Pompili , Adam Pound , Geraint Pratten , Hannes R. Rüter , Milton Ruiz , Zeyd Sam , Laura Sberna , Stuart L. Shapiro , Deirdre M. Shoemaker , Carlos F. Sopuerta , Andrew Spiers , Hari Sundar , Nicola Tamanini , Jonathan E. Thompson , Alexandre Toubiana , Antonios Tsokaros , Samuel D. Upton , Maarten van de Meent , Daniele Vernieri , Jeremy M. Wachter , Niels Warburton , Barry Wardell , Helvi Witek , Vojtěch Witzany , Huan Yang , Miguel Zilhão , Angelica Albertini , K. G. Arun , Miguel Bezares , Alexander Bonilla , Christian Chapman-Bird , Bradley Cownden , Kevin Cunningham , Chris Devitt , Sam Dolan , Francisco Duque , Conor Dyson , Chris L. Fryer , Jonathan R. Gair , Bruno Giacomazzo , Priti Gupta , Wen-Biao Han , Roland Haas , Eric W. Hirschmann , E. A. Huerta , Philippe Jetzer , Bernard Kelly , Mohammed Khalil , Jack Lewis , Nicole Lloyd-Ronning , Sylvain Marsat , Germano Nardini , Jakob Neef , Adrian Ottewill , Christiana Pantelidou , Gabriel Andres Piovano , Jaime Redondo-Yuste , Laura Sagunski , Leo C. Stein , Viktor Skoupý , Ulrich Sperhake , Lorenzo Speri , Thomas F. M. Spieksma , Chris Stevens , David Trestini , Alex Vañó-Viñuales

In recent years, 3D Gaussian splatting (3D-GS) has emerged as a novel scene representation approach. However, existing vision-only 3D-GS methods often rely on hand-crafted heuristics for point-cloud densification and face challenges in…

Robotics · Computer Science 2025-01-16 Sheng Hong , Chunran Zheng , Yishu Shen , Changze Li , Fu Zhang , Tong Qin , Shaojie Shen

In an effort to transcend the limitations of differential imaging of exoplanets in the era of extremely large telescopes (ELTs), the first paper in this series established a rigorous, fully polarimetric framework for determining the science…

Instrumentation and Methods for Astrophysics · Physics 2016-02-18 Richard A. Frazin

3D flash LIDAR is an alternative to the traditional scanning LIDAR systems, promising precise depth imaging in a compact form factor, and free of moving parts, for applications such as self-driving cars, robotics and augmented reality (AR).…

Time-of-Flight (ToF) cameras possess compact design and high measurement precision to be applied to various robot tasks. However, their limited sensing range restricts deployment in large-scale scenarios. Depth completion has emerged as a…

Robotics · Computer Science 2026-03-24 Juncheng Chen , Tiancheng Lai , Xingpeng Wang , Bingxin Liao , Baozhe Zhang , Chao Xu , Yanjun Cao
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