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Related papers: An Associated Particle Imaging System for Soil-Car…

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This paper describes an experimental setup that has been developed to measure and characterise properties of Silicon Photomultipliers (SiPM). The measured SiPM properties are of general interest for a multitude of potential applications and…

Instrumentation and Detectors · Physics 2015-03-13 Patrick Eckert , Hans-Christian Schultz-Coulon , Wei Shen , Rainer Stamen , Alexander Tadday

Soil moisture is a critical variable for managing irrigation, improving crop yield, and understanding field-scale hydrology. Radars mounted on unmanned aerial vehicles (UAVs) offer a promising means to monitor soil moisture over large…

Signal Processing · Electrical Eng. & Systems 2026-04-13 Luke Jacobs , Ishfaq Aziz , Benhao Lu , Alireza Tabatabaeenejad , Mohamad Alipour , Elahe Soltanaghai

This paper addresses the critical environmental challenge of estimating ambient Nitrogen Dioxide (NO$_2$) concentrations, a key issue in public health and environmental policy. Existing methods for satellite-based air pollution estimation…

Computer Vision and Pattern Recognition · Computer Science 2025-04-25 Ruben Gonzalez Avilés , Linus Scheibenreif , Damian Borth

We present results from an instrument combining surface acoustic wave (SAW) propagation and surface plasmon resonance (SPR) measurements. The objective is to use two independent methods, the former based on adsorbed mass change measurements…

Soft Condensed Matter · Physics 2009-11-10 J. -M. Friedt , L. Francis , G. Reekmans , R. De Palma , A. Campitelli , U. B. Sleytr

Consideration is given to the methods of gaining experimental data on the substances which constitute a part of multicomponent samples to be measured. The methods are applicable to the samples comprising an arbitrary number of components;…

Data Analysis, Statistics and Probability · Physics 2011-12-20 A. Yu. Buki

Absolute cross sections for the K-shell photoionization of C-like nitrogen ions were measured by employing the ion-photon merged-beam technique at the SOLEIL synchrotron radiation facility in Saint-Aubin, France. High-resolution…

Earth and Planetary Astrophysics · Physics 2015-06-04 M. F. Gharaibeh , J. M. Bizau , D. Cubaynes , S. Guilbaud , N. El Hassan , M. M. Al Shorman , C. Miron , C. Nicolas , E. Robert , C. Blancard , B. M. McLaughlin

We have developed an experimental system to simultaneously observe surface structure, morphology, composition, chemical state, and chemical activity for samples in gas phase environments. This is accomplished by simultaneously measuring…

Instrumentation and Detectors · Physics 2021-04-21 H. Kersell , P. Chen , H. Martins , Q. Lu , F. Brausse , B. -H. Liu , M. Blum , S. Roy , B. Rude , A. Kilcoyne , H. Bluhm , S. Nemšák

An algorithm is developed for structure identification of amorphous carbonaceous nanomaterials with a joint x-ray and neutron diffraction data analysis, using the data on the chemical composition of the sample from other diagnostics. The…

Materials Science · Physics 2013-01-16 V. S. Neverov , V. V. Voloshinov , A. B. Kukushkin , A. S. Tarasov

A technique is presented for producing synthetic images from numerical simulations whereby the image resolution is adapted around prominent features. In so doing, adaptive image ray-tracing (AIR) improves the efficiency of a calculation by…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 E. R. Parkin

High statistics measurements of the photon asymmetry $\mathrm{\Sigma}$ for the $\overrightarrow{\gamma}$p$\rightarrow\pi^{0}$p reaction have been made in the center of mass energy range W=1214-1450 MeV. The data were measured with the MAMI…

In this paper, we study cooperative scattering of low intensity light by a cloud of N two-level systems. We include the incident laser field driving these two-level systems and compute the radiation pressure force on the center of mass of…

Atomic Physics · Physics 2012-01-17 Tom Bienaime , Marco Petruzzo , Daniele Bigerni , Nicola Piovella , Robin Kaiser

We study the resonant sequential two-photon ionization of neutral atoms by a combination of twisted- and plane-wave light within a fully relativistic framework. In particular, the ionization of an isotropic ensemble of neutral sodium atoms…

Atomic Physics · Physics 2021-01-04 V. P. Kosheleva , V. A. Zaytsev , R. A. Müller , A. Surzhykov , S. Fritzsche

Scattering experiments can be leveraged to extract the effective properties of a heterogeneous metamaterial slab based on multi-point measurements in surrounding media. In this technique, two measurements are made in the ambient media on…

Applied Physics · Physics 2023-07-14 Joshua Morris , Alireza V. Amirkhizi

In material testing applications, Computed Tomography is a well established imaging technique that allows the recovery of the attenuation map of an object. Conventional modalities exploit only primary radiation and although in the energy…

Medical Physics · Physics 2020-07-07 Cécilia Tarpau , Javier Cebeiro , Mai K. Nguyen , Gevneviève Rollet , Laurent Dumas

Observational studies of magnetic fields are crucial. We introduce a process "ground state alignment" as a new way to determine the magnetic field direction in diffuse medium. The alignment is due to anisotropic radiation impinging on the…

Astrophysics of Galaxies · Physics 2013-02-15 Huirong Yan , A. Lazarian

A compact versatile photoacoustic (PA) sensor for trace gas detection is reported. The sensor is based on an integrating sphere as the PA absorption cell with an organ pipe tube attached to increase the sensitivity of the PA sensor. The…

We present the first two-dimensional (2D) optical Thomson scattering measurements of electron density and temperature in laser-produced plasmas. The novel instrument directly measures $n_e(x,y)$ and $T_e(x,y)$ in two dimensions over large…

Instrumentation and Detectors · Physics 2023-09-12 H. Zhang , J. J. Pilgram , C. G. Constantin , L. Rovige , P. V. Heuer , S. Ghazaryan , M. Kaloyan , R. S. Dorst , D. B. Schaeffer , C. Niemann

Images are used frequently in plant phenotyping to capture measurements. This chapter offers a repeatable method for capturing two-dimensional measurements of plant parts in field or laboratory settings using a variety of camera styles…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Amy Tabb , Germán A Holguín , Rachel Naegele

As a test-bed for future investigations of directly imaged terrestrial exoplanets, we present the recovery of the surface components of the Earth from multi-band diurnal light curves obtained with the EPOXI spacecraft. We find that the…

Earth and Planetary Astrophysics · Physics 2015-05-27 Yuka Fujii , Hajime Kawahara , Yasushi Suto , Satoru Fukuda , Teruyuki Nakajima , Timothy A. Livengood , Edwin L. Turner