High-intensity lithium beam for Zeeman spectroscopy

Journal Article · Fri Aug 01 00:00:00 EDT 1986 · Rev. Sci. Instrum.; (United States)

DOI:https://doi.org/10.1063/1.1138781· OSTI ID:5642191

Weber, P G; Masamune, S

The Zeeman splitting of neutral lithium introduced to a hot plasma as a beam may be used to determine both the magnitude and direction of the local magnetic field. Dye lasers can improve the sensitivity of the method, either by resonance fluorescence or by intracavity absorption. A limit on the applicability of this diagnostic is set by the lithium density in the plasma. A high density, 80-kV lithium beam has been developed to access plasmas of larger dimension and/or higher densities, or to permit measurements with better time resolution than with previous beams. The beam utilizes a high density lithium ion source. Diagnostics include 2-D ion beam profiling, Faraday cup, magnetic analyzer, and a ''pepperpot'' probe for measurements of beam intensity, composition, and divergence. Beam currents can exceed 10 mA in a < or =2-cm-diameter beam with a divergence of several milliradians.

• Research Organization: Los Alamos National Laboratory, MS F639, Los Alamos, New Mexico 87545
• OSTI ID: 5642191
• Journal Information: Rev. Sci. Instrum.; (United States), Vol. 57:8
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
LITHIUM
ZEEMAN EFFECT
PLASMA DIAGNOSTICS
ATOMIC BEAMS
TOKAMAK DEVICES
BEAM CURRENTS
BEAM-PLASMA SYSTEMS
DYE LASERS
FLUORESCENCE SPECTROSCOPY
HOT PLASMA
ION SOURCES
LASL
LITHIUM 7 BEAMS
MAGNETIC FIELDS
NEUTRAL ATOM BEAM INJECTION
RESOLUTION
RESONANCE FLUORESCENCE
ALKALI METALS
BEAM INJECTION
BEAMS
CLOSED PLASMA DEVICES
CURRENTS
ELEMENTS
EMISSION SPECTROSCOPY
FLUORESCENCE
ION BEAMS
LASERS
LIQUID LASERS
LUMINESCENCE
METALS
NATIONAL ORGANIZATIONS
PLASMA
SPECTROSCOPY
THERMONUCLEAR DEVICES
US AEC
US DOE
US ERDA
US ORGANIZATIONS
700102* - Fusion Energy- Plasma Research- Diagnostics