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Related papers: Rasnik 3-point alignment system: algorithm, contro…

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The Rasnik system is a 3-point optical displacement monitor with sub-nanometer precision. The CCD-Rasnik alignment system was developed in 1993 for the monitoring of the alignment of the muon chambers of the ATLAS Muon Spectrometer at CERN.…

Instrumentation and Methods for Astrophysics · Physics 2025-08-08 Harry van der Graaf , Alessandro Bertolini , Joris van Heijningen , Bram Bouwens , Nelson de Gaay Fortman , Tom van der Reep , Lennart Otemann

The Rasnik 3-point alignment system, now widely applied in particle physics experiments and in the instrumentation of gravitational wave experiments, can be used as N-point alignment system by daisy chain N individual 3-point systems. The…

We describe the design and operation of the RASNIK optical relative alignment system designed for and installed on the CDF inner tracking detectors. The system provides low-cost minute-by-minute alignment monitoring with submicron…

High Energy Physics - Experiment · Physics 2009-11-07 David Goldstein , David Saltzberg

Resonant lines are powerful probes of the interstellar and circumgalactic medium of galaxies. Their transfer in gas being a complex process, the interpretation of their observational signatures, either in absorption or in emission, is often…

Astrophysics of Galaxies · Physics 2020-04-01 Leo Michel-Dansac , Jeremy Blaizot , Thibault Garel , Anne Verhamme , Taysun Kimm , Maxime Trebitsch

Robust 3D environmental perception is critical for applications such as autonomous driving and robot navigation. However, optical sensors such as cameras and LiDAR often fail under adverse conditions, including smoke, fog, and non-ideal…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Kunzhe Song , Geo Jie Zhou , Xiaoming Liu , Huacheng Zeng

For effective autonomous navigation,estimation of the pose of the robot is essential at every sampling time. For computing an accurate estimation,odometric error needs to be reduced with the help of data from external sensor. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2012-12-07 Debajyoti Banerji , Ranjit Ray , Jhankar Basu , Indrajit Basak

Accurate 3D imaging is essential for machines to map and interact with the physical world. While numerous 3D imaging technologies exist, each addressing niche applications with varying degrees of success, none have achieved the breadth of…

Integrated Sensing and Communication (ISAC) is a key enabler of high speed, ultra low latency vehicular communication in 6G. ISAC leverages radar signal processing (RSP) to localize multiple unknown targets amid static clutter by jointly…

Signal Processing · Electrical Eng. & Systems 2026-04-01 Aakanksha Tewari , Jai Mangal , Sumit J Darak , Shobha Sundar Ram , Arnav Shukla

Recent experiments demonstrate the synthesis of 2D black arsenic exhibits excellent electronic and transport properties for nanoscale device applications. Herein, we study by first principle calculations density functional theory together…

Materials Science · Physics 2020-03-31 Rameshwar L. Kumawat , Milan Kumar Jena , Biswarup Pathak

The field of optical metrology with its high precision position, rotation and wavefront sensors represents the basis for lithography and high resolution microscopy. However, the on-chip integration - a task highly relevant for future…

Applied Physics · Physics 2020-06-11 Ankan Bag , Martin Neugebauer , Uwe Mick , Silke Christiansen , Sebastian A Schulz , Peter Banzer

Localizing an image wrt. a 3D scene model represents a core task for many computer vision applications. An increasing number of real-world applications of visual localization on mobile devices, e.g., Augmented Reality or autonomous robots…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Federico Camposeco , Andrea Cohen , Marc Pollefeys , Torsten Sattler

We present a new numerical model called "Pakal" intended to solve the radiative transfer equation in a three-dimensional (3D) geometry, using the approximation for a locally plane-parallel atmosphere. Pakal uses pre-calculated radial…

Solar and Stellar Astrophysics · Physics 2011-06-14 Victor De la Luz , Alejandro Lara , J. E. Mendoza-Torres , Caius L. Selhorst

Resistive Silicon Detectors (RSD, also known as AC-LGAD) are innovative silicon sensors, based on the LGAD technology, characterized by a continuous gain layer that spreads across the whole sensor active area. RSDs are very promising…

Instrumentation and Detectors · Physics 2022-09-07 F. Siviero , F. Giobergia , L. Menzio , F. Miserocchi , M. Tornago , R. Arcidiacono , N. Cartiglia , M. Costa , M. Ferrero , G. Gioachin , M. Mandurrino , V. Sola

Reconfigurable Intelligent Surfaces (RIS) show great promise in the realm of 6th generation (6G) wireless systems, particularly in the areas of localization and communication. Their cost-effectiveness and energy efficiency enable the…

Signal Processing · Electrical Eng. & Systems 2024-03-12 Han Yan , Hua Chen , Wei Liu , Songjie Yang , Gang Wang , Chau Yuen

This work presents a quantum-limited optomechanical sensing platform for real-time detection and discrimination of chiral molecules, based on a multilayer hybrid plasmonic-mechanical resonator. Leveraging quantum zero-point motion and…

Optics · Physics 2025-07-29 Giuseppina Simone

Wavelength calibration is a routine and critical part of any spectral work-flow, but many astronomers still resort to matching detected peaks and emission lines by hand. We present RASCAL (RANSAC Assisted Spectral CALibration), a python…

Instrumentation and Methods for Astrophysics · Physics 2019-12-13 Josh Veitch-Michaelis , Marco C Lam

BJT-based 2D temperature-sensor arrays are factory-calibrated to +/-0.1 degC, but post-deployment thermal and mechanical stresses drift their per-sensor gain-offset parameters by an order of magnitude, and in-lab recalibration is…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-26 Yinglei Ma , Fei Xiao

Integrated sensing and communication (ISAC) has been identified as a promising technology for the sixth generation (6G) of communication networks. Target privacy in ISAC is essential to ensure that only legitimate sensors can detect the…

Signal Processing · Electrical Eng. & Systems 2025-03-10 Ahmed Magbool , Vaibhav Kumar , Marco Di Renzo , Mark F. Flanagan

Silicon sensors are the most diffuse position sensitive device in particle physics 8 experiments and in countless applications in science and technology. They had a spectacular progress in performance over almost 40 years since their first…

Instrumentation and Detectors · Physics 2022-05-04 Gianluigi Casse , Nicola Massari , Matthew Franksa , Luca Parmesana

The Rational Polynomial Camera (RPC) model can be used to describe a variety of image acquisition systems in remote sensing, notably optical and Synthetic Aperture Radar (SAR) sensors. RPC functions relate 3D to 2D coordinates and vice…

Image and Video Processing · Electrical Eng. & Systems 2022-03-17 Roland Akiki , Roger Marí , Carlo de Franchis , Jean-Michel Morel , Gabriele Facciolo
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