Bulletin of the American Physical Society
64th Annual Meeting of the APS Division of Plasma Physics
Volume 67, Number 15
Monday–Friday, October 17–21, 2022; Spokane, Washington
Session GP11: Poster Session III: In-Person, Hall A (9:30-11:00am) and Virtual Poster Presentations (11:15am-12:30pm)
MFE: DIII-D
Low Temperature Plasma
FUND: Dusty Plasmas; Plasma Sources
9:30 AM - 12:30 PM
Tuesday, October 18, 2022
Room: Exhibit Hall A and Online
Abstract: GP11.00114 : Overview of the Basic Plasma Science Facility*
Presenter:
Stephen T Vincena
(University of California, Los Angeles)
Authors:
Troy Carter
(University of California, Los Angeles)
Walter N Gekelman
(University of California, Los Angeles)
Patrick Pribyl
(University of California, Los Angeles)
George J Morales
(University of California, Los Angeles)
Christoph Niemann
(University of California, Los Angeles)
Shreekrishna Tripathi
(University of California, Los Angeles)
Stephen T Vincena
(University of California, Los Angeles)
research facility for studies of fundamental processes in magnetized
plasmas, supported by US DOE and NSF. The centerpiece of the facility
is the Large Plasma Device (LAPD), a 20m long, magnetized linear
plasma device[1]. The LAPD has been utilized to study a
number of fundamental processes, including: collisionless shocks;
dispersion and damping of kinetic and inertial Alfvén waves;
turbulence and transport; and interactions of energetic ions and
electrons with plasma waves. A major upgrade to the plasma source of
the LAPD was recently completed, replacing the former BaO
hot cathode source with a new LaB6 plasma source along with a new
magnet section capable of producing up to 0.8T fields in the source
region. This new plasma source provides a significant increase in the
discharge power density and allows access to higher density and
temperature operating regimes; the source hardware and plasma
conditions achieved during operation will be discussed, as well
as new operations using gas puffing to achieve higher
density, more uniform, and more quiescent plasmas. An overview
will be given of recent research using the facility along with a
discussion of future plans including an upcoming solicitation for
experimental runtime on LAPD.
[1] W. Gekelman, et al., The upgraded Large Plasma Device, a machine for studying frontier basic plasma physics, Rev. Sci. Instrum., 87, 025105 (2016) http://dx.doi.org/10.1063/1.4941079
*Funding provided by DOE FES and NSF
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