A two-wavelength infrared interferometer/polarimeter system for CIT (Compact Ignition Tokamak)
Conference
·
OSTI ID:5233948
The results of a fasiblity study of a two-wavelength infrared interferometerpolarimeter system for measurements of electron density and plasma current profiles in the Compact Ignition Tokamak (CIT) are presented. The system utilizes CO/sub 2/ lasers at a wavelength of 10.6 ..mu..m, and water-vapor lasers at 28 ..mu..m. Both magneto-optic and electro-optic polarization-modulation techniques have been used to determine the sensitivity and time response of the polarimetry at 10.6 ..mu..m. Measurement of a simulated plasma Faraday rotation demonstrated a sensitivity of approximately 0.01)degree) for a CO/sub 2/ laser polarimeter with an electrooptic CdTe crystal modulator. 3 refs., 4 figs
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 5233948
- Report Number(s):
- CONF-880364-12; ON: DE88007681
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700102* -- Fusion Energy-- Plasma Research-- Diagnostics
CARBON DIOXIDE LASERS
CLOSED PLASMA DEVICES
COMPACT IGNITION TOKAMAK
ELECTRON DENSITY
GAS LASERS
INTERFEROMETERS
LASERS
MEASURING INSTRUMENTS
PLASMA DIAGNOSTICS
POLARIMETERS
THERMONUCLEAR DEVICES
THERMONUCLEAR REACTORS
TIME DEPENDENCE
TOKAMAK DEVICES
TOKAMAK TYPE REACTORS
700102* -- Fusion Energy-- Plasma Research-- Diagnostics
CARBON DIOXIDE LASERS
CLOSED PLASMA DEVICES
COMPACT IGNITION TOKAMAK
ELECTRON DENSITY
GAS LASERS
INTERFEROMETERS
LASERS
MEASURING INSTRUMENTS
PLASMA DIAGNOSTICS
POLARIMETERS
THERMONUCLEAR DEVICES
THERMONUCLEAR REACTORS
TIME DEPENDENCE
TOKAMAK DEVICES
TOKAMAK TYPE REACTORS