Bulletin of the American Physical Society
60th Annual Meeting of the APS Division of Plasma Physics
Volume 63, Number 11
Monday–Friday, November 5–9, 2018; Portland, Oregon
Session UP11: Poster Session VIII: MST; DIII-D Tokamak; SPARC, C-Mod, and High Field Tokamaks; HBT-EP; Transport and LPI in ICF Plasmas, Hydrodynamic Instability; HEDP Posters; Space and Astrophysical Plasmas (2:00pm-5:00pm)
Thursday, November 8, 2018
OCC
Room: Exhibit Hall A1&A
Abstract ID: BAPS.2018.DPP.UP11.123
Abstract: UP11.00123 : Electron temperature and electron number density measurements in laser ablation z-pinch experiments of Al2O3*
Presenter:
Eric Dutra
(Mission Support & Test Services, LLC)
Authors:
Eric Dutra
(Mission Support & Test Services, LLC)
Aaron Covington
(University of Nevada, Reno)
Tim Darling
(University of Nevada, Reno)
Radu Presura
(Mission Support & Test Services, LLC)
Aluminum Oxide (Al2O3) plasma was generated using Ti: Sapphire/Nd: glass laser and Z-pinch pulse-power generator at University of Nevada, Reno’s Nevada Terawatt Facility. To determine the electron temperature we use the Boltzmann plot method for the transitions (Al III 2D3/2 → 2P1/2) at 451.38 nm, (Al III 2D5/2 → 2P3/2) at 453.06 nm, (Al III 2P3/2 → 2S1/2) at 569.82, and (Al III 2P1/2 → 2S1/2) at 572.43 nm. Simultaneously, Mach-Zehnder interferometry was used to measure the electron number density. We compared simulated spectra from PrismSPECT to both calculated electron number density and electron temperature measurements, and the electron temperature was found to range from 1.8 to 2.8 eV while the electron number density was found to range from 2.3 x 1017 to 6.9 x 1017 cm-3.
*This work was done by Mission Support and Test Services, LLC, under Contract No. DE-NA0003624 with the U.S. Department of Energy, and supported by the Site-Directed Research and Development Program, and the State of Nevada Governor’s Office of Economic Development (GOED) and the University of Nevada Reno, NCAR. DOE/NV/003624--0179
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DPP.UP11.123
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