Resolving the propagation direction of tokamak microturbulence via homodyne spectroscopy

Journal Article · Fri Aug 01 04:00:00 EDT 1986 · Rev. Sci. Instrum.; (United States)

DOI:https://doi.org/10.1063/1.1138811· OSTI ID:5406047

Brower, D L; Peebles, W A; Luhmann, Jr, N C; Ritz, C P; Powers, E J

A new homodyne spectroscopy technique (T. Tsukishima and O. Asada, Jpn. J. Appl. Phys. 17, 2059 (1978)) has been applied to tokamak microturbulence measurements in order to resolve the frequency spectra and wave propagation direction of low-frequency density fluctuations. Application of this method provides a high-resolution, inexpensive, and easily implemented alternative to the more technically demanding heterodyne detection schemes typically available. Comparison of heterodyne and the new homodyne spectroscopy results will be made.

• Research Organization: University of California, Los Angeles, California 90024
• OSTI ID: 5406047
• Journal Information: Rev. Sci. Instrum.; (United States), Journal Name: Rev. Sci. Instrum.; (United States) Vol. 57:8; ISSN RSINA
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700102* -- Fusion Energy-- Plasma Research-- Diagnostics
CLOSED PLASMA DEVICES
DATA ANALYSIS
ELECTROMAGNETIC RADIATION
ELECTRON DENSITY
EMISSION SPECTROSCOPY
FAR INFRARED RADIATION
FLUCTUATIONS
IMPLEMENTATION
INFRARED RADIATION
INFRARED SPECTROMETERS
INSTABILITY
LIGHT SCATTERING
MEASURING INSTRUMENTS
OPTICAL SPECTROMETERS
PLASMA DIAGNOSTICS
PLASMA INSTABILITY
RADIATIONS
RESOLUTION
SCATTERING
SPECTROMETERS
SPECTROSCOPY
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
TURBULENCE
VARIATIONS