Magnetic pitch angle measurements on text using laser-enhanced attenuation of a Li beam

Conference · Sat Sep 01 00:00:00 EDT 1990

OSTI ID:6399308

West, W P; McChesney, J; Thomas, M K; Yang, X Z

The polarization of the {pi} component of the Zeeman split Li2P-2S transition allows a direct spectroscopic measurement of the local magnetic pitch angle. Li atoms are injected radially into TEXT as a 95 keV beam, and the intensity of the transmitted beam is detected. A polarization-modulated, cavity-dumped dye laser, tuned into resonance with the {pi} line, is injected collinearly with the beam. Laser excitation of the beam results in an enhanced beam attenuation. Time-resolved detection of the transmitted Li beam allows determination of the local magnetic pitch angle. Details of the system and results of recent measurements will be discussed. (3 refs.)

• Research Organization: General Atomics, San Diego, CA (USA)
• Sponsoring Organization: DOE/ER
• DOE Contract Number: AC03-89ER53277
• OSTI ID: 6399308
• Report Number(s): GA-A-20108; CONF-900557-17; ON: DE91001106; TRN: 90-032586
• Resource Relation: Conference: 8. topical conference on high-temperature plasma diagnostics, Hyannis, MA (USA), 6-10 May 1990
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
MAGNETIC FIELDS
INCLINATION
TEXT DEVICES
PLASMA DIAGNOSTICS
ATTENUATION
DYE LASERS
FREQUENCY DEPENDENCE
LITHIUM
ZEEMAN EFFECT
ALKALI METALS
CLOSED PLASMA DEVICES
ELEMENTS
LASERS
LIQUID LASERS
METALS
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
700102* - Fusion Energy- Plasma Research- Diagnostics
700202 - Fusion Power Plant Technology- Magnet Coils & Fields