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

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A realistic description of partially-ionized matter in extreme thermodynamic states is critical to model the interior and evolution of the multiplicity of high-density astrophysical objects. Current predictions of its essential property,…

Ground-penetrating radar on planes and satellites now makes it practical to collect 3D observations of the subsurface structure of the polar ice sheets, providing crucial data for understanding and tracking global climate change. But…

Computer Vision and Pattern Recognition · Computer Science 2017-12-22 Mingze Xu , David J Crandall , Geoffrey C Fox , John D Paden

Optical hyperspectral cameras capture the spectral reflectance of materials. Since many materials behave as heterogeneous intimate mixtures with which each photon interacts differently, the relationship between spectral reflectance and…

We present results from the first on-sky demonstration of a prototype astronomical integrated photonic spectrograph (IPS) using the Anglo-Australian Telescope near-infrared imaging spectrometer (IRIS2) at Siding Spring Observatory to…

Instrumentation and Methods for Astrophysics · Physics 2018-05-23 N. Cvetojevic , J. S. Lawrence , S. C. Ellis , J. Bland-Hawthorn , R. Haynes , A. Horton

The diffusion of molecules on interstellar grain surfaces is one of the most important driving forces for the molecular complexity in the interstellar medium. Due to the lack of laboratory measurements, astrochemical modeling of grain…

Instrumentation and Methods for Astrophysics · Physics 2023-02-20 Jiao He , Paula Caroline Pérez Rickert , Tushar Suhasaria , Orianne Sohier , Tia Bäcker , Dimitra Demertzi , Gianfranco Vidali , Thomas K. Henning

We present a fast and simple way to determine the erosion rate and absorption coefficient of hydrogenated amorphous carbon films exposed to a hydrogen atomic source based on ex-situ Raman micro-spectroscopy. Results are compared to…

Materials Science · Physics 2013-08-22 Cedric Pardanaud , E. Aréou , C. Martin , R. Ruffe , T. Angot , P. Roubin , C. Hopf , T. Schwarz-Selinger , W. Jacob

Soil texture is a foundational attribute that governs water availability and erosion in agriculture, as well as load bearing capacity, deformation response, and shrink-swell risk in geotechnical engineering. Yet texture is still typically…

Determination of air density and the quantitative estimates of water vapour adsorbed or desorbed by the surface of mass standard, remain the principals sources of uncertainties when weighing mass standard made from stainless steel or super…

Instrumentation and Detectors · Physics 2007-05-23 N. -E. Khélifa , P. Pinot

Understanding the scattering mechanisms from the ground surface in the presence of different vegetation densities is necessary for the interpretation of P-band Synthetic Aperture Radar (SAR) observations and for the design of geophysical…

Forests play a critical role in global ecosystems by supporting biodiversity and mitigating climate change via carbon sequestration. Accurate aboveground biomass (AGB) estimation is essential for assessing carbon storage and wildfire fuel…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Silvia Zuffi

Pixel detectors with cylindrical electrodes that penetrate the silicon substrate (so called 3D detectors) offer advantages over standard planar sensors in terms of radiation hardness, since the electrode distance is decoupled from the bulk…

Atmospheric pressure plasmas are effective sources for reactive species, making them applicable for industrial and biomedical applications. We quantify ground-state densities of key species, atomic oxygen (O) and hydrogen (H), produced from…

Traditional particle size distribution (PSD) analyses create significant downtime and are expensive in labor and maintenance. These drawbacks could be alleviated using optical grain size analysis integrated into routine geotechnical…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Thomas Plante St-Cyr , François Duhaime , Jean-Sébastien Dubé , Simon Grenier

Open-path dual-comb spectroscopy provides multi-species atmospheric gas concentration measurements with high precision. Here, we extend open-path dual comb spectroscopy to the mid-infrared 5 {\mu}m atmospheric window, enabling atmospheric…

Atmospheric and Oceanic Physics · Physics 2020-12-24 Fabrizio R. Giorgetta , Jeff Peischl , Daniel I. Herman , Gabriel Ycas , Ian Coddington , Nathan R. Newbury , Kevin C. Cossel

We find that layered materials composed of various oxides of cations with $s^2$ electronic configuration, $XY_2$O$_4$, $X$=In or Sc, $Y$=Ga, Zn, Al, Cd and/or Mg, exhibit isotropic electron effective mass which can be obtained via averaging…

Materials Science · Physics 2009-11-13 J. E. Medvedeva

We present a technique to determine the sp$^3$/sp$^2$ ratio of carbon materials which is based on the electron energy-loss spectroscopy and which uses the theoretical spectrum of graphite obtained from ab initio electronic structure…

Condensed Matter · Physics 2009-11-10 J. Titantah , D. Lamoen

Interstitial atoms are ubiquitous in solids and they are widely incorporated into materials to tune their lattice structure, electronic transportation, and mechanical properties. Because the distribution of interstitial atoms in matrix…

Materials Science · Physics 2024-05-29 Jizhe Cui , Haozhi Sha , Liangze Mao , Kang Sun , Wenfeng Yang , Rong Yu

To limit global warming to pre-industrial levels, global governments, industry and academia are taking aggressive efforts to reduce carbon emissions. The evaluation of anthropogenic carbon dioxide (CO$_2$) emissions, however, depends on the…

Atmospheric and Oceanic Physics · Physics 2022-10-25 Zhengwen Zhang , Jinjin Gu , Junhua Zhao , Jianwei Huang , Haifeng Wu

Microparticles ranging from sub-microns to millimeter in size are a common form of matter in magnetic fusion environment, and they are highly mobile due to their small mass. Different forces in addition to gravity can affect their motion…

Instrumentation and Detectors · Physics 2018-08-01 Pinghan Chu , Bradley T. Wolfe , Zhehui Wang

Understanding the behaviour of the confined fast ions is important in both current and future fusion experiments. These ions play a key role in heating the plasma and will be crucial for achieving conditions for burning plasma in next-step…