Application of microwave reflectometry to the measurement of fast magnetosonic waves in the Tokamak Fusion Test Reactor

Journal Article · Wed Jan 01 04:00:00 EST 1997 · Review of Scientific Instruments

DOI:https://doi.org/10.1063/1.1147604· OSTI ID:451776

Nazikian, R; Majeski, R; Mazzucato, E; McCarthy, M; Park, H K; Phillips, C K; Rogers, J H; Schilling, G; Taylor, G ^[1]

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1. Princeton Plasma Physics Laboratory, Princeton University, Princeton, New Jersey 08543-0451 (United States)

The application of microwave reflectometry to the study of fast magnetosonic waves in the Tokamak Fusion Test Reactor (TFTR) is investigated. Assuming the validity of geometric optics for reflectometer measurements, it is shown that linearity to the fast wave amplitude is restricted to very small density fluctuation levels ({tilde n}/n{lt}10{sup {minus}3}). Beyond this level, both phase and amplitude ambiguities occur that makes interpretation difficult. Measurements of 30 MHz fast magnetosonic waves in the core of TFTR plasmas are presented. {copyright} {ital 1997 American Institute of Physics.}

• Research Organization: Princeton Plasma Physics Laboratory
• DOE Contract Number: AC02-76CH03073
• OSTI ID: 451776
• Report Number(s): CONF-960543--
• Journal Information: Review of Scientific Instruments, Journal Name: Review of Scientific Instruments Journal Issue: 1 Vol. 68; ISSN 0034-6748; ISSN RSINAK
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
FLUCTUATIONS
FREQUENCY MIXING
MAGNETOACOUSTIC WAVES
MICROWAVE RADIATION
PERFORMANCE
PHASE SHIFT
PLASMA DIAGNOSTICS
RADIATION DETECTORS
REFLECTIVITY
TFTR TOKAMAK
TOKAMAK DEVICES
microwave reflectometry
reflectometers