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Space-based direct imaging provides prospects for detection and spectral characterization of exoplanets at optical and near-infrared wavelengths. Integral field spectrographs (IFS) have been historically baselined for these mission…

Earth and Planetary Astrophysics · Physics 2024-03-26 Jingwen Zhang , Michael Bottom , Eugene Serabyn

We present an overview of the 'ICE' hardware and software framework that implements large arrays of interconnected FPGA-based data acquisition, signal processing and networking nodes economically. The system was conceived for application to…

Accurate characterization of radiation pulse profiles is crucial for optimizing beam quality and enhancing experimental outcomes in Free Electron Laser (FEL) research. In this paper, we present a novel approach that employs machine learning…

Accelerator Physics · Physics 2024-11-27 Till Korten , Vladimir Rybnikov , Peter Steinbach , Najmeh Mirian

Phase reconstruction is important in transmission electron microscopy for structural studies. We describe electron Fourier ptychography and its application to phase reconstruction of both radiation-resistant and beam-sensitive materials. We…

Context: Environmental soft protons have affected the performance of the X-ray detectors on board Chandra and XMM-Newton, and they pose a threat for future high energy astrophysics missions with larger aperture, such as ATHENA. Aims: We aim…

Instrumentation and Methods for Astrophysics · Physics 2024-01-31 E. Perinati , M. Freyberg , M. C. H. Yeung , C. Pommranz , B. Hess , S. Diebold , C. Tenzer , A. Santangelo

A novel algorithm for the ultrashort laser pulse characterization method of interferometric frequency-resolved optical gating (iFROG) is presented. Based on a genetic method, namely differential evolution, the algorithm can exploit all…

Optics · Physics 2017-10-25 Janne Hyyti , Esmerando Escoto , Günter Steinmeyer

We report on the new optical gating technique used for the direct photoconductive detection of short pulses of terahertz radiation with the resolution up to 250 femtoseconds. The femtosecond optical laser pulse time delayed with respect to…

Materials Science · Physics 2016-06-29 A. Muraviev , A. Gutin , G. Rupper , S. Rudin , X. Shen , Y. Yamaguchi , G. Aizin , M. Shur

Transition Edge Sensors (TES) are superconducting microcalorimeters that can be used for single-photon detection with extremely low backgrounds. When they are within their superconducting transition region, small temperature fluctuations -…

This work proposes a Processing-In-Sensor Accelerator, namely PISA, as a flexible, energy-efficient, and high-performance solution for real-time and smart image processing in AI devices. PISA intrinsically implements a coarse-grained…

Hardware Architecture · Computer Science 2022-02-21 Shaahin Angizi , Sepehr Tabrizchi , Arman Roohi

Transition-edge sensors (TESs) have the potential to perform electron spectroscopic measurements with far greater measurement rates and efficiencies than can be achieved using existing electron spectrometers. Existing spectrometers filter…

Instrumentation and Detectors · Physics 2024-03-05 K. M. Patel , S. Withington , A. G . Shard , D. J. Goldie , C. N. Thomas

The HTRU-S Low Latitude survey data within 1$^{\circ}$of the Galactic Centre (GC) were searched for pulsars using the Fast Folding Algorithm (FFA). Unlike traditional Fast Fourier Transform (FFT) pipelines, the FFA optimally folds the data…

The ATLAS experiment will undergo a major upgrade of the tracker system in view of the high luminosity phase of the LHC (HL-LHC) to start operation in 2026. The most severe challenges are to be faced by the innermost layers of the pixel…

Instrumentation and Detectors · Physics 2016-12-06 Julien-Christopher Beyer , Alessandro La Rosa , Anna Macchiolo , Richard Nisius , Natascha Savic

Single biomolecular imaging using XFEL radiation is an emerging method for protein structure determination using the "diffraction before destruction" method at near atomic resolution. Crucial parameters for such bio-imaging experiments are…

Performing computational tasks with wave-based devices is becoming a groundbreaking paradigm that can open new opportunities for the next generation of efficient analogue and digital computing systems. Decision-making processes for…

Applied Physics · Physics 2023-10-16 Ross Glyn MacDonald , Alex Yakovlev , Victor Pacheco-Peña

X-ray Free Electron Lasers (X\nobreakdash-FELs) operate in a wide range of lasing configurations for a broad variety of scientific applications at ultrafast time-scales such as structural biology, materials science, and atomic and molecular…

The next generation of cosmology space missions will be sensitive to parasitic signals arising from cosmic rays. Using a composite bolometer, we have investigated pulses produced by $\alpha$ particles in order to understand the movement of…

Instrumentation and Methods for Astrophysics · Physics 2018-07-26 S. L. Stever , F. Couchot , N. Coron , R. M. J. Janssen , B. Maffei

Pixelated PET systems produce higher count rates as they integrate several detecting channels per detector module. An increased data flow from the detectors posses higher needs on the bandwidth requirements. We aim to optimize the bandwidth…

Instrumentation and Detectors · Physics 2018-04-05 C. Zorraquino , L. Ferramacho , R. Bugalho , M. Zvolsky , T. Niknejad , J. C. Silva , S. Tavernier , P. Guerra , J. Varela , A. Santos

Time-resolved X-ray Emission/Absorption Spectroscopy (Tr-XES/XAS) is an informative experimental tool sensitive to electronic dynamics in materials, widely exploited in diverse research fields. Typically, Tr-XES/XAS requires X-ray pulses…

A plasma focus device capable of operating at 0.2 pulses per second during several minutes is used as a source of hard x-rays and fast neutrons. An experimental demonstration of the use of the neutrons emissions for radiation probing of…

Instrumentation and Detectors · Physics 2009-01-15 V Raspa , F Di Lorenzo , P Knoblauch , A Lazarte , A Tartaglione , A Clausse , C Moreno

Far-infrared Transition Edge Sensors (TESs) are being developed for the SAFARI grating spectrometer on the cooled-aperture space telescope SPICA. In support of this work, we have devised a cryogenic (90 mK) test facility for carrying out…

Instrumentation and Detectors · Physics 2021-02-03 Emily A. Williams , Stafford Withington , David J. Goldie , Christopher N. Thomas , Peter A. R. Ade , Rashmi Sudiwala