Improvement of interferometric measurements on far-infrared polarimeter interferometer systems

On many tokamaks the reconstruction of the magnetic field structure in the plasma is supported by polarimetric measurements. Recent proposed and realized methods are based on a far-infrared laser beam with a rotating polarization ellipse. The same instrument usually performs as an interferometer measuring the line integrated plasma density. It has been shown that the rotating polarization ellipse disturbs the interferometric measurements. A method based on the principle of a rotating polarization in which the interferometric measurement is unaffected is proposed. Bench test results are presented which show the feasibility of this method. (C) 1996 American Institute of Physics.


Published in:
Review of Scientific Instruments, 67, 5, 1814-1817
Year:
1996
ISSN:
0034-6748
ISBN:
0034-6748
Laboratories:
SPC
CRPP




 Record created 2008-04-16, last modified 2018-01-28


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