scholarly journals Time-resolved and multiple-angle Thomson scattering on gas-puff Z-Pinch plasmas at pinch time

2018 ◽  
Vol 89 (10) ◽  
pp. 10C117 ◽  
Author(s):  
Sophia V. R. Rocco ◽  
Jacob T. Banasek ◽  
William M. Potter ◽  
David A. Hammer
Keyword(s):  
Thomson Scattering ◽  
Time Resolved ◽  
Pinch Time ◽  
Z Pinch

scholarly journals Time-Resolved Thomson Scattering on Gas-Puff Z-Pinch Plasmas at Pinch Time

2018 ◽  
Vol 46 (11) ◽  
pp. 3906-3911 ◽  
Author(s):  
S. V. R. Rocco ◽  
J. T. Banasek ◽  
W. M. Potter ◽  
B. R. Kusse ◽  
D. A. Hammer
Keyword(s):  
Thomson Scattering ◽  
Time Resolved ◽  
Pinch Time ◽  
Z Pinch

scholarly journals Implementation of a Faraday rotation diagnostic at the OMEGA laser facility

2018 ◽  
Vol 6 ◽  
Author(s):  
A. Rigby ◽  
J. Katz ◽  
A. F. A. Bott ◽  
T. G. White ◽  
P. Tzeferacos ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Magnetic Fields ◽  
Faraday Rotation ◽  
Field Measurements ◽  
Thomson Scattering ◽  
Proton Radiography ◽  
Time Resolved ◽  
Rotation Measurement ◽  
Laser Facility ◽  
Omega Laser

Magnetic field measurements in turbulent plasmas are often difficult to perform. Here we show that for ${\geqslant}$kG magnetic fields, a time-resolved Faraday rotation measurement can be made at the OMEGA laser facility. This diagnostic has been implemented using the Thomson scattering probe beam and the resultant path-integrated magnetic field has been compared with that of proton radiography. Accurate measurement of magnetic fields is essential for satisfying the scientific goals of many current laser–plasma experiments.

Time-resolved K-shell line spectra measurement of z-pinch plasmas

2013 ◽  
Vol 729 ◽  
pp. 322-326 ◽  
Author(s):  
Qingguo Yang ◽  
Shaotong Zhou ◽  
Guanhua Chen ◽  
Xianbin Huang ◽  
Hongchun Cai ◽  
...  
Keyword(s):  
Time Resolved ◽  
Z Pinch

scholarly journals Soft X-ray lasing at 519.7 Å in a Recombining Z-pinch Plasma

1997 ◽  
Vol 15 (4) ◽  
pp. 589-595 ◽  
Author(s):  
E. Eberl ◽  
T. Wagner ◽  
J. Jacoby ◽  
A. Tauschwitz ◽  
D.H.H. Hoffmann
Keyword(s):  
Discharge Current ◽  
Line Intensity ◽  
Gas Pressure ◽  
Time Resolved ◽  
X Ray ◽  
Pinch Plasma ◽  
Gain Length ◽  
Z Pinch ◽  
Time Resolved Measurements

This paper is reviewing the amplification of XUV radiation at 519.7 and 498.5 Å with a gain-length product of 2.5 and 2.2 for the 4f-3d and 4d-3p transition in an oxygen Z-pinch plasma. Time resolved measurements of the O VI (519.7 Å) transition were performed and the dependence of the line intensity on the discharge current and initial gas pressure is reported.

Space and time resolved electron density and current measurements in a dense plasma focus Z-pinch

1998 ◽  
Vol 26 (4) ◽  
pp. 1127-1137 ◽  
Author(s):  
Niansheng Qi ◽  
S.F. Fulghum ◽  
R.R. Prasad ◽  
M. Krishnan
Keyword(s):  
Electron Density ◽  
Plasma Focus ◽  
Dense Plasma ◽  
Dense Plasma Focus ◽  
Time Resolved ◽  
Space And Time ◽  
Z Pinch

Time‐resolved x‐ray crystal spectrometer for multiterawatt Z‐pinch spectroscopy

1990 ◽  
Vol 61 (10) ◽  
pp. 2804-2806 ◽  
Author(s):  
T. Nash ◽  
C. Deeney ◽  
P. D. LePell ◽  
R. Prasad ◽  
M. Krishnan
Keyword(s):  
Crystal Spectrometer ◽  
Time Resolved ◽  
X Ray ◽  
Z Pinch

Time-resolved energy measurement of electron beams in fiber Z-pinch discharges

1997 ◽  
Vol 4 (2) ◽  
pp. 490-492 ◽  
Author(s):  
A. Robledo ◽  
I. H. Mitchell ◽  
R. Aliaga-Rossel ◽  
J. P. Chittenden ◽  
A. E. Dangor ◽  
...  
Keyword(s):  
Electron Beams ◽  
Energy Measurement ◽  
Time Resolved ◽  
Z Pinch

scholarly journals Spectral Line Intensities for Δ N = 0 (L-Shell) Transitions of N, O, and F-Like Ions

1984 ◽  
Vol 86 ◽  
pp. 258-261
Author(s):  
Y.T. Lee ◽  
K. Reed
Keyword(s):  
High Temperature ◽  
Spectral Line ◽  
Wavelength Range ◽  
Argon Plasma ◽  
Rate Coefficients ◽  
Time Resolved ◽  
High Power Lasers ◽  
Line Intensities ◽  
Radiation Spectra ◽  
Z Pinch

Many laboratories are actively investigating radiation spectra emitted from high temperature/high density plasmas produced using gas-puff Z-pinch machines and high power lasers. Spectral-line intensities from these plasmas can be useful temperature and density diagnostics. In a well-diagnosed plasma, information on the emission spectrum can also be used to test the accuracy of theoretical rate coefficients.Recently time-resolved spectra from an oxygen-like argon plasma produced in a gas-puff z-pinch were measured in the wavelength range 150–200 Å . Over this wavelength range the spectrum contains mostly the Δn = 0 (L-shell) transitions in ArX-ArXIV and some weak transitions for n = 3 to n = 4 of ArVI-ArVIII. The measured spectra show the predominance of 0-like Ar L-shell transitions.

scholarly journals Pulsed-power-generated plasma of high reproducibility

1990 ◽  
Vol 8 (4) ◽  
pp. 595-608 ◽  
Author(s):  
H. Kunze ◽  
R. Noll ◽  
C. R. Haas ◽  
M. Elfers ◽  
J. Hertzberg ◽  
...  
Keyword(s):  
Electron Density ◽  
Ion Beam ◽  
Pulsed Power ◽  
High Reproducibility ◽  
Time Resolved ◽  
Beam Plasma ◽  
Plasma State ◽  
Average Electron ◽  
Z Pinch ◽  
Better Than

Plasmas of high reproducibility that are suitable for beam-plasma experiments are generated by a pulsed-power z-pinch discharge. The z-pinch device is designed as a plasma target for the investigation of ion beam-plasma interactions. The dynamic plasma state is characterized by the electron density, the electron temperature, and the magnetic field distribution, which are observed using time-resolved diagnostics. For z-pinch discharges in hydrogen, average electron densities of up to (2.6 ± 0.1) × 1018 electrons/cm3 were measured interferometrically. Electron temperatures in the range 2–7 eV are determined by time-resolved spectroscopy. The reproducibility of the electron density of the z-pinch discharge in terms of shot-to-shot fluctuations is estimated to be better than 3%. This is a favorable condition for performing beam-plasma experiments.

Velocity and temperature measurements of Z pinch plasmas using optical Thomson scattering

2012 ◽  
Author(s):  
A. J. Harvey-Thompson ◽  
S. V. Lebedev ◽  
S. Patankar ◽  
R. Smith ◽  
H. Doyle ◽  
...  
Keyword(s):  
Thomson Scattering ◽  
Temperature Measurements ◽  
Z Pinch
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