Optical Emission From Plasmas
Measuring the electron temperature by optical emission spectroscopy in two temperature plasmas at atmospheric pressure: A critical approach
... Instituto de Ciencia de Materiales de Sevilla (CSIC-Univ. Sevilla), Dep. Física Atómica, Molecular y Nuclear and Dep. Química Inorgánica (Univ. Sevilla), Av. Americo Vespucio 41092 Sevilla, Spain 共Received 11 March 2005; ...
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Optical Emission and Mass Spectrometric Diagnostics of Laser Induced Silicon Plasmas
... of plume propagation; all measurements taken were thus spatially integrated along the length of the plume. The output of the spectrometer was coupled to a Princeton Instruments PI-MAX ICCD camera that utilised a ...
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Investigation of steady state characteristics of hollow cathode internal plasmas using optical emission spectroscopy
... research or study, without prior permission or charge. This thesis cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder/s. The content must ...
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Wavelength-dependent variations of the electron characteristics in laser-induced plasmas: A combined hydrodynamic and adiabatic expansion modelling and timegated, optical emission imaging study
... The POLLUX calculations suggest that Si III and Si IV cations might be fairly representative of the average charge state in the core of the plasma during the laser excitation, but to what extent is this true at later ...
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Wavelength-dependent variations of the electron characteristics in laser-induced plasmas: A combined hydrodynamic and adiabatic expansion modelling and timegated, optical emission imaging study
... The POLLUX calculations suggest that Si III and Si IV cations might be fairly representative of the average charge state in the core of the plasma during the laser excitation, but to what extent is this true at later ...
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Methods Employed in Optical Emission Spectroscopy Analysis: a review
... the plasmas through the characterization of their early phase, as near as possible to the laser ...laser-induced plasmas, particularly the characte- ristic plasma parameters, are ...the plasmas. A ...
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Methods employed in optical emission spectroscopy analysis: a review
... the plasmas through the characterization of their early phase, as near as possible to the laser ...laser-induced plasmas, particularly the characte- ristic plasma parameters, are ...the plasmas. A ...
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Extreme ultraviolet emission from dense plasmas generated with sub-10-fs laser pulses
... pulses from a titanium:sapphire oscillator are stretched using a SF57 glass block and an acousto-optical dispersive filter and are amplified with a titanium:sapphire multipass ...increased from 30 to ...
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Optimization of Extreme Ultraviolet Emission from Laser-Produced Tin Plasmas Based on Radiation Hydrodynamics Simulations
... in Figs. 3 (c) and (d). Figures 3 (a) and (c) are experimen- tal spectra, and Figs. 3 (b) and (d) are calculations, The calculated spectra are in good agreement with the experi- mental results for both conditions. By ...
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Ion emission from a metal surface through a multiphoton process and optical field ionization
... laser-produced plasmas on the surface is proportional to the square root of the laser energy fluence: T e ⬀ 冑 ...the emission of ions under thermal equilibrium ...instantaneously from an element, it ...
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Microwave absorption and emission from magnetized afterglow plasmas
... the bright annulus diffuses out along the entire discharge length with unchanged radius due to the magnetic field homogeneity. Although the resonant annulus is the[r] ...
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The AMY experiment: Microwave emission from air shower plasmas
... Additional important item of the cross-pol signal is the dependence between its intensity and the thickness of the interaction target. Figure 5 shows the raw oscilloscope traces for N e = 2.3 × 10 9 when there is no ...
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Ion cyclotron emission from energetic ion populations in fusion plasmas
... λ D = r 0 k b T e n e e 2 . (2.17) If λ D is not resolved by the grid spacing, the code will exponentially heat, increasing the Debye length until it equals the width of the cell ∆x (which is specified by the user). ...
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Forward modeling of EUV and gyrosynchrotron emission from coronal plasmas with FoMo
... UV emission from optically thin coronal ...the emission channels for synthetic AIA imaging ...gyrosynchrotron emission from plasmas with a population of non-thermal ...thick ...
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Vertical Electron Cyclotron Emission Diagnostic for TCV Plasmas
... Abstract. Electron cyclotron resonance heating (ECRH) and electron cyclotron current drive (ECCD) are used to heat the plasma, to tailor the current profiles and to achieve dif- ferent operating regimes of tokamak ...
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X-ray emission from thin plasmas. Collisional ionization for atoms and ions of H to Zn
... ABSTRACT Every observation of astrophysical objects involving a spectrum requires atomic data for the interpretation of line fluxes, line ratios, and ionization state of the emitting plasma. One of the processes that ...
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The Air Microwave Yield (AMY) experiment to measure the GHz emission from air shower plasmas
... The picture on the right shows the trace of the antenna as observed on the oscilloscope. A clear signal is seen and the root mean square is calculated to estimate the corresponding power (P = V rms 2 /50). This trace ...
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Optical and ion energy spectroscopy of laser-produced plasmas
... departures from local thermal equilibrium (including population inversion) ...laser-produced plasmas, different experimental techniques have been ...Laser-produced plasmas were also studied using, ...
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Initial Results of Neutron Emission Profile Measurements in LHD Deuterium Plasmas
... neutron emission profile measure- ment can potentially provide the beam-ion profile and/or the radial transport of ...neutron emission and alpha-particle birth, fuel burnup rate, plasma positions, fuel ion ...
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Interpretating observations of ion cyclotron emission from Large Helical Device plasmas with beam injected ion populations
... spectra from LHD shown in ...signals from LHD studied here were obtained in the same way as the early JET ICE measurements [5, 14], that is, using an ICRH antenna in re- ceiver ...the emission at an ...
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