English
Related papers

Related papers: Micro-sized cold atmospheric plasma source for bra…

200 papers

Decay times of plasma flows and plasma profiles have been measured after a sudden biasing switch-off in experiments on the CASTOR tokamak. A biased electrode has been used to polarize the edge plasma. The edge plasma potential and flows…

Plasma Physics · Physics 2007-05-23 Martin Hron , V. Weinzettl , E. Dufkova , C. Hidalgo , I. Duran , J. Stoeckel

Atomic Beam Probe (ABP) is an extension of the routinely used Beam Emission Spectroscopy (BES) diagnostic for plasma edge current fluctuation measurement at magnetically confined plasmas. Beam atoms ionized by the plasma are directed to a…

Trapping of microparticles, nanoparticles and aerosols is an issue of major interest for physics and chemistry. We present a setup intended for microparticle trapping in multipole linear Paul trap geometries, operating under Standard…

We have designed, constructed and optimized a novel cell for micro photoacoustic (microPA) spectroscopy (microPAS) as part of a collaboration between the Canadian Light Source and Natural Resources Canada. The cell allows inspection of…

Instrumentation and Detectors · Physics 2018-02-22 Kirk Michaelian , Chris Kelley , Tor Pedersen , Mark Frogley , Timothy May , Luca Quaroni , Gianfelice Cinque

Lung adenocarcinoma (LUAD) is a morphologically heterogeneous disease, characterized by five primary histological growth patterns. The classification of such patterns is crucial due to their direct relation to prognosis but the high…

Image and Video Processing · Electrical Eng. & Systems 2025-01-15 Arwa Al-Rubaian , Gozde N. Gunesli , Wajd A. Althakfi , Ayesha Azam , David Snead , Nasir M. Rajpoot , Shan E Ahmed Raza

Collective effects, such as waves and instabilities, are integral to our understanding of most plasma phenomena. We have been able to study these in ultracold neutral plasmas by shaping the initial density distribution through spatial…

Plasma Physics · Physics 2015-06-03 P. McQuillen , J. Castro , T. C. Killian

We describe the use of monolithic, buckled-dome cavities as ultrasound sensors. Patterned delamination within a compressively stressed thin film stack produces high-finesse plano-concave optical resonators with sealed and empty cavity…

Instrumentation and Detectors · Physics 2022-09-07 G. J. Hornig , K. G. Scheuer , E. B. Dew , R. Zemp , R. G. DeCorby

The Unified Gas-Kinetic Wave-Particle (UGKWP) method, developed for multiscale simulation of partially ionized plasmas, has been extended to unstructured meshes, enabling the modeling of electromagnetic flows around a hemisphere across…

Plasma Physics · Physics 2026-04-29 Zhigang Pu , Kun Xu

Plasma based surface modification of niobium is a promising alternative to wet etching of superconducting radio frequency (SRF) cavities. The development of the technology based on Cl2/Ar plasma etching has to address several crucial…

Accelerator Physics · Physics 2015-06-23 J. Upadhyay , Do Im , S. Popović , A. -M. Valente-Feliciano , L. Phillips , L. Vušković

We present a new characterisation technique for atomic vapor cells, combining time-domain measurements with absorption imaging to obtain spatially resolved information on decay times, atomic diffusion and coherent dynamics. The technique is…

We present observations of planetary nebulae with the LOw Frequency ARray (LOFAR) between 120 and 168 MHz. The images show thermal free-free emission from the nebular shells. We have determined the electron temperatures for spatially…

The expansion of ultracold neutral plasmas (UCP) is driven primarily by the thermal pressure of the electron component and is therefore sensitive to the electron temperature. At lower densities (less than 10$^8$ /cm$^3$), evaporative…

Plasma Physics · Physics 2015-06-15 Truman Wilson , Wei-Ting Chen , Jacob Roberts

The impact of the cold radiofrequency air plasma on the surface properties of silicone oils (polydimethylsiloxane) was studied. Silicone oils of various molecular masses were markedly hydrophilized by the cold air plasma treatment. A…

Soft Condensed Matter · Physics 2014-09-02 Victor Multanen , Gilad Chaniel , Roman Grynyov , Ron Yosef Loew , Naor Siany , Edward Bormashenko

Direct investigation of ion-induced dynamics in matter on picosecond (ps, 10-12 s) timescales has been precluded to date by the relatively long nanosecond (ns, 10-9 s) scale ion pulses typically provided by radiofrequency accelerators1. By…

Advances in ultra-intense laser technology are enabling, for the first time, relativistic intensities at mid-infrared (mid-IR) wavelengths. Anticipating further experimental research in this domain, we present high-resolution two…

We propose an experimentally viable setup for the realization of one-dimensional ultracold atom gases in a nanoscale magnetic waveguide formed by two doubly-clamped suspended carbon nanotubes. All common decoherence and atom loss mechanisms…

Other Condensed Matter · Physics 2007-05-23 V. Peano , M. Thorwart , C. Mora , R. Egger

Microwave plasmas are a promising technology for energy-efficient CO$_{2}$ valorization via conversion of CO$_{2}$ into CO and O$_2$ using renewable energies. A 2.45 GHz microwave plasma torch with swirling CO$_{2}$ gas flow is studied in a…

Plasma Physics · Physics 2020-12-02 F. A. D'Isa , E. A. D. Carbone , A. Hecimovic , U. Fantz

Targeted therapeutic interventions utilizing low-inten\-sity ultrasound (LIUS) exhibit substantial potential for hindering the proliferation of cancer stem cells. This investigation introduces a multiscale model and computational framework…

Analysis of PDEs · Mathematics 2024-02-16 B. Blanco , R. Palma , M. Hurtado , G. JimÉnez , C. GriÑÁn-LisÓn , J. Melchor , J. A. Marchal , H. Gomez , G. Rus , J. Soler

Extra Ordinary (X) mode conversion to Bernstein wave near Upper Hybrid Resonance (UHR) layer plays an important role in plasma heating through cyclotron resonance. Wave generation at UHR and parametric decay at high power has been observed…

Plasma Physics · Physics 2007-05-23 Vipin K. Yadav , D. Bora

Immunoaffinity-based liquid biopsies of circulating tumor cells (CTCs) hold great promise for cancer management, but typically suffer from low throughput, relative complexity and post-processing limitations. Here we address these issues…

Quantitative Methods · Quantitative Biology 2026-04-29 Jing Yan , Jie Wang , Robert Dallmann , Renquan Lu , Jérôme Charmet
‹ Prev 1 8 9 10 Next ›