English
Related papers

Related papers: TE Wave Measurement and Modeling

200 papers

In contemporary magnetic confinement devices, the density distribution is sensed with interferometers and actuated with feedback controlled gas injection and open-loop pellet injection. This is at variance with the density control for ITER…

Plasma Physics · Physics 2021-10-29 T. O. S. J. Bosman , M. van Berkel , M. R. de Baar

Traditionally devoted to electron density profile measurement we show that fast frequency sweeping reflectometry technique can bring valuable and innovative measurements onto plasma turbulence. While fast frequency sweeping technique is…

Plasma Physics · Physics 2007-05-23 F. Clairet , L. Vermare , S. Heuraux , G. Leclert

Precise microwave measurements of sample conductivity, dielectric, and magnetic properties are routinely performed with cavity perturbation measurements. These methods require the accurate determination of quality factor and resonant…

Materials Science · Physics 2009-10-31 Paul J. Petersan , Steven M. Anlage

A model of an electron-beam-plasma system is introduced to model the electrical breakdown physics of low-pressure nitrogen irradiated by an intense pulsed electron beam. The rapidly rising beam current induces an electric field which drives…

This paper investigates the performance of the micro-electro-mechanical systems resonant sensor used for particle detection and concentration measurement. These fine and ultra-fine particles such as particulate matter (PM), ferrous…

Instrumentation and Detectors · Physics 2021-12-21 Vinayak Pachkawade , Zion Tse

Emission from the interstellar medium can be a significant contaminant of measurements of the intensity and polarization of the cosmic microwave background (CMB). For planning CMB observations, and for optimizing foreground-cleaning…

Cosmology and Nongalactic Astrophysics · Physics 2021-04-21 Ben Thorne , Lloyd Knox , Karthik Prabhu

The effective mass approximation is used to consider plasma and magnetoplasma waves in an electron system on the surface of the semiconductor cylindrical nanotube. The electron-electron coupling is taken into account in the random phase…

Mesoscale and Nanoscale Physics · Physics 2009-02-24 A. M. Ermolaev , G. I. Rashba

We present results from a high-resolution interstellar turbulence simulation and show that it closely reproduces recent $Planck$ measurements. Our model captures the scaling of $EE$ and $BB$ spectra, and the $EE/BB$ ratio in the inertial…

Astrophysics of Galaxies · Physics 2025-11-11 Ka Wai Ho , Ka Ho Yuen , Raphael Flauger , Alexei G. Kritsuk

This work reports the procedure for modeling piezoelectric acoustic resonators and filters at millimeter wave (mmWave). Different from conventional methods for lower frequency piezoelectric devices, we include both acoustic and…

Applied Physics · Physics 2024-08-06 Tianyi Zhang , Yen-Wei Chang , Omar Barrera , Naveed Ahmed , Jack Kramer , Ruochen Lu

A technique to measure the band gap of dielectric materials with high refractive index by means of energy electron loss spectroscopy (EELS) is presented. The technique relies on the use of a circular (Bessel) aperture and suppresses…

Retarding field analyzers (RFAs), which provide a localized measurement of the electron cloud, have been installed throughout the Cornell Electron Storage Ring (CESR), in different magnetic field environments. This paper describes the RFA…

Accelerator Physics · Physics 2015-06-22 J. R. Calvey , W. Hartung , Y. Li , J. A. Livezey , J. Makita , M. A. Palmer , D. Rubin

The jamming transition is an important feature of granular materials, with prior work showing an excess of low frequency modes in the granular analog to the density of states, the granular density of modes. In this work, we present an…

Soft Condensed Matter · Physics 2024-07-30 Sydney A. Blue , Salem C. Wright , Eli T. Owens

The study of the behavior of a standing wave inside a resonant cavity, such as a closed tube, has always been of great revelation in the manufacture of wind musical instruments, in addition to research carried out on the transfer and…

Physics Education · Physics 2018-12-12 Alex Estupiñán , Raul Ortiz , Ángel Duarte , Jesús Sanchez , Jefferson Arciniegas

A body force concentrated at a point and moving at a high speed can induce shear-wave Mach cones in dusty-plasma crystals or soft materials, as observed experimentally and named the elastic Cherenkov effect (ECE). The ECE in soft materials…

Soft Condensed Matter · Physics 2020-09-03 Guo-Yang Li , Yang Zheng , Yanlin Liu , Michel Destrade , Yanping Cao

High-energy particle transport in pulsar wind nebulae (PWNe) plays an essential role in explaining the characteristics revealed in multiwavelength observations. In this paper, the TeV-gamma-ray-emitting electrons in the Vela X PWN are…

High Energy Astrophysical Phenomena · Physics 2019-07-04 Yiwei Bao , Siming Liu , Yang Chen

Miniaturizing and integrating atomic vapor cells is widely investigated for the purposes of fundamental measurements and technological applications such as quantum sensing. Extending such platforms to the realm of molecular physics is a…

Phase contrast imaging is used to observe Bose-Einstein condensates (BECs) at finite temperature in situ. The imaging technique is used to accurately derive the absolute phase shift of a probe laser beam due to both the condensate and the…

Quantum Gases · Physics 2009-09-25 R. Meppelink , R. A. Rozendaal , S. B. Koller , J. M. Vogels , P. van der Straten

We present a theoretical model for the evolution of mixture concentrations in a micro-pervaporation device, similar to those recently presented experimentally. The described device makes use of the pervaporation of water through a thin PDMS…

Soft Condensed Matter · Physics 2009-03-30 Michael Schindler , Armand Ajdari

The essential feature of the method is the employment of Elasto-Magnetic Resonance Spectroscopy (EMRS) for precise local measurements of the attenuation of shear elastic waves introduced into a biological sample. Such a measurement can be…

Medical Physics · Physics 2007-05-23 T. Klinkosz , C. J. Lewa

A floating air bag, ballasted in water, expands and contracts as it heaves under wave action. Connecting the bag to a secondary volume via a turbine transforms the bag into a device capable of generating useful energy from the waves.…

Fluid Dynamics · Physics 2017-03-08 A. Kurniawan , J. R. Chaplin , D. M. Greaves , M. R. Hann
‹ Prev 1 4 5 6 7 8 10 Next ›