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 JP11: Poster Session IV: Education and Outreach; Undergraduate or High School Research; Plasma technology, Fusion reactor Nuclear and Materials Science; Propulsion; Materials Interfaces (2:00pm-5:00pm)
Tuesday, November 6, 2018
OCC
Room: Exhibit Hall A1&A
Abstract ID: BAPS.2018.DPP.JP11.62
Abstract: JP11.00062 : Optical emission spectroscopy study of the plume during laser ablation of boron-rich target*
Presenter:
John Rodman
(Syracuse Univ)
Authors:
John Rodman
(Syracuse Univ)
Shurik Yatom
(Princeton Plasma Physics Lab)
Yevgeny Raitses
(Princeton Plasma Physics Lab)
We report on the results of optical emission spectroscopy investigation of the ablation plume produced after pulsed laser irradiation of B and BN targets in N2 environment at pressure of 400 Torr. A pulsed Nd: YAG laser, 355 nm wavelength with duration of ~7 ns, was employed to irradiate the boron-rich target. The laser fluence was set at ~9 J/cm2 at the surface of the target. The chemical species dominant in the ablation plume were identified via their optical emission spectra, collected at different spatial regions of the plume. Temporal evolution of the emission of several species was studied as well. The plume is rich in molecular species and atomic species, both B and N in different charge states. The study allows an insight in the physics and the chemical kinetics of the laser ablation of boron-rich target.
*Measurements were supported by the US Department of Energy (DOE), Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DPP.JP11.62
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