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plasma density

The deteriorating effect of plasma density fluctuations on microwave beam quality

The deteriorating effect of plasma density fluctuations on microwave beam quality

... from plasma density fluctuations existing at the plasma bound- ...the plasma current pro- file [7, ...edge density turbulence on the quality of a microwave beam injected for NTM ...

6

Modulation of Observed Thomson Scattering Spectra in a Plasma Density Irregularity

Modulation of Observed Thomson Scattering Spectra in a Plasma Density Irregularity

... Abstract—Thomson scattering of an electromagnetic wave in a plasma density irregularity is considered. A new effect is found that the scattered waves generation and superposition near the electron ...

6

Effect of Inhomogeneous Plasma Density on the Reflectivity in One Dimensional Plasma Photonic Crystal

Effect of Inhomogeneous Plasma Density on the Reflectivity in One Dimensional Plasma Photonic Crystal

... inhomogeneous plasma in the unit ...homogeneous plasma having uniform density is rarely realized in the laboratory plasma ...inhomogeneous plasma in the unit cell of binary 1D-PPC which ...

12

Generation of attosecond electron bunches in a laser-plasma accelerator using a plasma density upramp

Generation of attosecond electron bunches in a laser-plasma accelerator using a plasma density upramp

... the plasma density profile (solid line) and the density-dependent plasma wave phase velocity (dashed line) as a function of position in the laser propagation direction ...ear plasma ...

5

The Dispersion Characteristics of a One Dimensional Plasma Photonic Crystal Having Inhomogeneous Plasma Density Profiles

The Dispersion Characteristics of a One Dimensional Plasma Photonic Crystal Having Inhomogeneous Plasma Density Profiles

... inhomogeneous plasma in the unit cell are ...exponential plasma density profiles are considered and compared with the homogeneous plasma having uniform density ...in plasma layer ...

8

The deteriorating effect of plasma density fluctuations on microwave beam quality

The deteriorating effect of plasma density fluctuations on microwave beam quality

... from plasma density fluctuations existing at the plasma bound- ...the plasma current pro- file [7, ...edge density turbulence on the ...

7

Plasma density shaping for attosecond electron bunch generation

Plasma density shaping for attosecond electron bunch generation

... the plasma density and gradient, and the laser ...short plasma density ...background plasma density constant, but set to just below the threshold for ...imposed density ...

10

Simulation study of a passive plasma beam dump using varying plasma density

Simulation study of a passive plasma beam dump using varying plasma density

... the density increases the plasma wavelength decreases, effectively shifting the bunch within the ...one plasma wavelength behind the drive bunch is the region of highest on-axis elec- tron ...the ...

6

Perturbing microwave beams by plasma density fluctuations

Perturbing microwave beams by plasma density fluctuations

... cold plasma description is used here, the mi- crowave interacts only with the plasma density turbulence which is seen by the microwave as electron density fluc- ...the density structures ...

5

Hybrid capillary discharge waveguide for laser wakefield acceleration

Hybrid capillary discharge waveguide for laser wakefield acceleration

... This controllable plasma density range is very promising for laser wakefield acceleration. Besides, laser transmittance curves for a two-segment capillary are also measured for different pressures of the ...

17

Experiment and Numerical Simulation of Peculiarities in the Development of Helium DC Discharge in Reflex Geometry

Experiment and Numerical Simulation of Peculiarities in the Development of Helium DC Discharge in Reflex Geometry

... With initial conditions for the plasma density used above in the case of H = 0, simulations carried out at a voltage of 0.6 kV in magnetic field H = 100 G show an in- crease in the ion current and ...

10

Theoretical and Experimental Studies of 35 GHz
 and 96 GHz
 Electromagnetic Wave Propagation in Plasma

Theoretical and Experimental Studies of 35 GHz and 96 GHz Electromagnetic Wave Propagation in Plasma

... orders of magnitude with the plasma density increases by one order of magnitude. Moreover, there are several valleys on the reflectance curves, and the values of the valleys decrease while the corresponding ...

14

Dispersion Characteristics and Optimization of Reflectivity of Binary One Dimensional Plasma Photonic Crystal Having Linearly Graded Material

Dispersion Characteristics and Optimization of Reflectivity of Binary One Dimensional Plasma Photonic Crystal Having Linearly Graded Material

... than plasma frequency get ...periodic plasma structures. These periodic structures are called plasma photonic crystals (PPCs), in which one unit cell consists of homogeneous unmagnetized (magnetized) ...

14

An investigation of self-focussing of a laser pulse in a laser-produced plasma

An investigation of self-focussing of a laser pulse in a laser-produced plasma

... the plasma electron temperature causes an increase in the efficient self­ focussing threshold reflecting the dominant role of absorption in determining the in-filament flux ...the plasma temperature, and ...

146

Simulation of density measurements in plasma wakefields using photon acceleration

Simulation of density measurements in plasma wakefields using photon acceleration

... the plasma density is n 0 ¼ 7 × 10 14 cm −3 , laser wavelength is 800 nm, propa- gation length is 10 m and the relative density perturbation is about Δ n=n 0 ∼ 0 ...a plasma with ...

9

Direct observation of plasma waves and dynamics induced by laser-accelerated electron beams

Direct observation of plasma waves and dynamics induced by laser-accelerated electron beams

... of plasma waves, a small part of the laser pulse (about 1 mJ), is coupled out before the focusing optics and sent into an argon-filled hollow-core ...like plasma waves can be ...the plasma ...

13

Helicon wave propagation and plasma equilibrium in high-density hydrogen plasma in converging magnetic fields

Helicon wave propagation and plasma equilibrium in high-density hydrogen plasma in converging magnetic fields

... ion density increases approximately linearly away from the antenna, reaches a maximum and plateaus near the maximum magnetic field strength and rapidly decays in the vicinity of the end ...in plasma ...

262

A Review Study on Amplification of X Ray Free Electron Laser Pulse in Plasma

A Review Study on Amplification of X Ray Free Electron Laser Pulse in Plasma

... high plasma density and very intense pump FWHM ...sionless plasma but in high density plasma, we can not ignore the role of electron-ion collisions and we need to implement the ...

6

Density and temperature characterization of long scale length, near critical density controlled plasma produced from ultra low density plastic foam

Density and temperature characterization of long scale length, near critical density controlled plasma produced from ultra low density plastic foam

... Point projection X-ray radiography. X-ray radiography has been successfully used in the past to deter- mine plasma density. Here, we used a similar technique to measure the density profile of the ...

7

Simulation of small size divertor tokamak plasma edge at low density of plasma

Simulation of small size divertor tokamak plasma edge at low density of plasma

... of plasma density for ITB formation is one of the critical issues for the application of ITBs to many tokamaks, it is important to investigate the relation between ITB formation and reduced plasma ...

5

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