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X-ray emission spectroscopy is a well-established technique used to study continuum lowering in dense plasmas. It relies on accurate atomic physics models to robustly reproduce high-resolution emission spectra, and depends on our ability to…

Plasma Physics · Physics 2020-01-22 M. F. Kasim , J. S. Wark , S. M. Vinko

Time-resolved single photon imaging is a promising imaging modality characterized by the unique capability of timestamping the arrivals of single photons. Single-Photon Avalanche Diodes (SPADs) are the leading technology for implementing…

Computer Vision and Pattern Recognition · Computer Science 2024-10-23 Aleksi Suonsivu , Lauri Salmela , Edoardo Peretti , Leevi Uosukainen , Radu Ciprian Bilcu , Giacomo Boracchi

The observing signals from pulsar are always influenced by the interstellar medium (ISM) scattering. In the lower frequency observation, the intensity profiles are broadened and the plane of polarization angle (PPA) curves are flattened by…

Solar and Stellar Astrophysics · Physics 2015-06-16 Abdujappar Rusul , Ali Esamdin , Xiao-Ping Zheng , Jian-Ping Yuan

We give an analytic treatment of the time resolution and efficiency of Single Photon Avalanche Diodes (SPADs) and Silicon Photomultipliers (SiPMs). We provide closed-form expressions for structures with uniform electric fields and efficient…

Instrumentation and Detectors · Physics 2021-05-05 Werner Riegler , Philipp Windischhofer

The Rapid Imaging Planetary Spectrograph (RIPS) was designed as a long-slit high-resolution spectrograph for the specific application of studying atmospheres of spatially extended solar system bodies. With heritage in terrestrial airglow…

Instrumentation and Methods for Astrophysics · Physics 2023-08-01 Patrick Lierle , Carl Schmidt , Jeffrey Baumgardner , Luke Moore , Emma Lovett

The progress and the chronology in understanding the influence of electron correlations on the electronic structure of atoms and the dynamics of atomic processes are reviewed focusing on benchmark rare-gas atoms. The contributions and the…

Spectroscopic ptychography is a powerful technique to determine the chemical composition of a sample with high spatial resolution. In spectro-ptychography, a sample is rastered through a focused x-ray beam with varying photon energy so that…

Image and Video Processing · Electrical Eng. & Systems 2020-07-21 Huibin Chang , Ziqin Rong , Pablo Enfedaque , Stefano Marchesini

In recent years, power analysis has become widely used in applied sciences, with the increasing importance of the replicability issue. When distribution-free methods, such as Partial Least Squares (PLS)-based approaches, are considered,…

Methodology · Statistics 2024-03-18 Angela Andreella , Livio Fino , Bruno Scarpa , Matteo Stocchero

We designed a simple setup to measure the muon lifetime and the electron energy spectra of muon decay. A low cost coincidental circuit was designed to select the signals of muon decay events detected by a plastic scintillator detector. It…

Instrumentation and Detectors · Physics 2016-08-26 Yushi Hu , Tianye Wang , Yefeng Mei , Zhao Zhang , Chuangang Ning

We discuss the influence of the superconducting transition in a film on the fluorescence spectrum of a single molecule located nearby. We show that single molecule spectroscopy (SMS) should be an appropriate tool to detect the electric…

Superconductivity · Physics 2007-05-23 M. Faure , B. Lounis , A. I. Buzdin

AMS instrument aboard the International Space Station is a high precision instrument capable of collecting large statistics on cosmic ray intensities and as such has started making highly significant contributions to Astroparticle Physics.…

High Energy Astrophysical Phenomena · Physics 2015-06-15 R. Cowsik , B. Burch , T. Madziwa-Nussinov

We present here an experimental set-up to perform simultaneously measurements of surface plasmon resonance (SPR) and X-ray absorption spectroscopy (XAS) in a synchrotron beamline. The system allows measuring in situ and in real time the…

Instrumentation and Detectors · Physics 2015-06-04 A. Serrano , O. Rodríguez de la Fuente , V. Collado , J. Rubio-Zuazo , C. Monton , G. Castro , M. A. García

The increasing availability of high-quality optical and near-infrared spectroscopic data, as well as advances in modelling techniques, have greatly expanded the scientific potential of spectroscopic studies. However, the software tools…

Instrumentation and Methods for Astrophysics · Physics 2025-12-23 Daniele Gasparri , Lorenzo Morelli , Umberto Battino , Jairo Méndez Abreu , Adriana de Lorenzo-Cáceres

Multiplexed immunofluorescence microscopy captures detailed measurements of spatially resolved, multiple biomarkers simultaneously, revealing tissue composition and cellular interactions in situ among single cells. The growing scale and…

Software Engineering · Computer Science 2025-06-03 Fang Liu , Rui He , Andrei Bombin , Ahmad B. Abdallah , Omar Eldaghar , Tommy R. Sheeley , Sam E. Ying , George Zaki

Small-angle neutron scattering (SANS) is a powerful technique for probing the nanoscale structure of materials. However, the fundamental limitations of neutron flux pose significant challenges for rapid, high-fidelity data acquisition…

Implementation of multivariate and 2D extensions of Singular Spectrum Analysis (SSA) by means of the R-package Rssa is considered. The extensions include MSSA for simultaneous analysis and forecasting of several time series and 2D-SSA for…

Methodology · Statistics 2015-10-12 Nina Golyandina , Anton Korobeynikov , Alex Shlemov , Konstantin Usevich

A Stochastic Simulator (SS) is proposed, based on a semiclassical description of the radiation-matter interaction, to obtain an efficient description of the lasing transition for devices ranging from the nanolaser to the traditional…

Optics · Physics 2015-02-09 G. P. Puccioni , G. L. Lippi

Real time computer control is an essential feature of scanning probe microscopes, which have become essential tools for the characterization and investigation of nanometer scale samples. Most commercial (and some open-source) scanning probe…

Mesoscale and Nanoscale Physics · Physics 2013-01-24 Venkat Chandrasekhar , Manan Mehta

The spectrogram is a classical DSP tool used to view signals in both time and frequency. Unfortunately, the Heisenberg Uncertainty Principal limits our ability to use them for detecting and measuring narrowband signal modulation in wideband…

Information Theory · Computer Science 2014-01-22 Ray Maleh , Frank A. Boyle

The multiple scattering of coherent light is a problem of both fundamental and applied importance. In optics, phase conjugation allows spatial focussing and imaging through a multiply scattering medium; however, temporal control is…