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This paper describes a 561 nm laser heterodyne interferometer that provides time-resolved measurements of line-integrated plasma electron density within the range of 10^15-10^18 cm^(-2). Such plasmas are produced by railguns on the Plasma…

Plasma Physics · Physics 2015-06-03 Elizabeth C. Merritt , Alan G. Lynn , Mark A. Gilmore , Scott C. Hsu

We demonstrate for the first time to our knowledge the generation of overcritical plasma densities inside transparent solids over long distances using femtosecond laser pulses. This opens new avenues for high energy density physics in…

Cryogenic helium-4 has extremely small kinetic viscosity, which makes it a promising material for high Reynolds ($Re$) number turbulence research in compact laboratory apparatuses. In its superfluid phase (He II), helium has an…

Other Condensed Matter · Physics 2020-05-20 Hamid Sanavandi , Shiran Bao , Yang Zhang , Ruben Keijzer , Wei Guo , Lou N. Cattafesta

A Multi-dipole line cusp configured Plasma Device (MPD) having six electromagnets with embedded Vacoflux-50 as a core material and a hot filament-based cathode for Argon plasma production has been characterized by changing the pole magnetic…

Plasma Physics · Physics 2022-05-25 A. D. Patel , Zubin Shaikh , M. Sharma , Santosh P. Pandya , N. Ramasubramanian

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

We present experiments and numerical simulations which demonstrate that fully-ionized, low-density plasma channels could be formed by hydrodynamic expansion of plasma columns produced by optical field ionization (OFI). Simulations of the…

We demonstrate through experiments and numerical simulations that low-density, low-loss, meter-scale plasma channels can be generated by employing a conditioning laser pulse to ionize the neutral gas collar surrounding a hydrodynamic…

In the last few decades, studies in various fields of plasma technology have expanded and its application in different processes has increased. Therefore, the achievement of a desirable and practical plasma with specific characteristics is…

Thermophotovoltaic systems in principle enable utilization of heat that is usually regarded as wasted energy. However, the wavelength selectivity of the thermal emitter required for high efficiencies is rather difficult to control with…

Applied Physics · Physics 2019-06-14 Masahiro Suemitsu , Takashi Asano , Takuya Inoue , Susumu Noda

In simulations of a 10PW laser striking a solid we demonstrate the possibility of producing a pure electron-positron plasma by the same processes as those thought to operate in high-energy astrophysical environments. A maximum positron…

The plasma-liquid interaction is an important issue in plasma technology. The simulation of discharge in spherical bubbles in the water that produced plasma-activated water (PAW) is investigated using finite element methods (FEM) for a…

Plasma Physics · Physics 2022-08-26 Niloofar Mohammadi Nahrani , Maryam Bahreini , Saeed Hasanpour Tadi

In this work, we present the results of two-dimensional radiation-hydrodynamics simulations of a hohlraum target whose outgoing radiation is used to produce a homogeneously ionized carbon plasma for ion-beam stopping measurements. The…

Pulsed laser deposition (PLD) is a versatile technique for growing epitaxial heterostructures of a wide variety of novel materials combinations. Achieving low-defect layers with atomically sharp interfaces by PLD requires careful management…

Applied Physics · Physics 2021-05-12 Sumner B. Harris , Kamron L. Kopekcy , Chandler W. Cotton , Renato P. Camata

The nanoflare-heating theory predicts steady hot plasma emission in the non-flaring active regions. It is hard to find this emission with conventional non-monochromatic imagers (such as Atmospheric Imaging Assembly or X-Ray Telescope),…

Solar and Stellar Astrophysics · Physics 2018-10-12 Anton Reva , Artem Ulyanov , Alexey Kirichenko , Sergey Bogachev , Sergey Kuzin

Pixel detectors are used in the innermost part of multi purpose experiments at the Large Hadron Collider (LHC) and are therefore exposed to the highest fluences of ionising radiation, which in this part of the detectors consists mainly of…

Instrumentation and Detectors · Physics 2010-01-21 T. Rohe , J. Acosta , A. Bean , S. Dambach , W. Erdmann , U. Langenegger , C. Martin , B. Meier , V. Radicci , J. Sibille , P. Trueb

Recent X-ray observations by the space mission Chandra confirmed the astonishing evidence for a diffuse, hot, thermal plasma at a temperature of 9. $10^7$ K (8 keV) found by previous surveys to extend over a few hundred parsecs in the…

Astrophysics · Physics 2009-11-11 R. Belmont , M. Tagger , M. Muno , M. Morris , S. Cowley

Parameters of a dense 10^13-10^14cm^-3) multicomponent gas-metal plasma in the pulsed reflex discharge with a moderate power (W \leq 10 MW) have been studied. The dynamics of the plasma density in time, the mass-element composition of the…

Processes occurring in a radio-frequency (rf) cavity, filled with high pressure gas and interacting with proton beams, have been studied via advanced numerical simulations. Simulations support the experimental program on the hydrogen…

Accelerator Physics · Physics 2018-03-28 Kwangmin Yu , Roman Samulyak , Katsuya Yonehara , Ben Freemire

A radiation detector based on plasma display panel technology, which is the principal component of plasma television displays is presented. Plasma Panel Sensor (PPS) technology is a variant of micropattern gas radiation detectors. The PPS…

Metallic hydrogen and hydride materials stand as promising avenues to achieve room-temperature superconductivity. Characterized by their high phonon frequencies and moderate coupling strengths, several high-pressure hydrides were…

Superconductivity · Physics 2025-07-16 Chendi Xie , Adam D. Smith , Haoran Yan , Wei-Chih Chen , Yao Wang