Effects of 2D and Finite Density Fluctuations on O-X Correlation Reflectometry | Zendy

G. Krämer | Zendy; R. Nazikian | Zendy; E. J. Valeo | Zendy

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Effects of 2D and Finite Density Fluctuations on O-X Correlation Reflectometry

Author(s) -

G. Krämer,

R. Nazikian,

E. J. Valeo

Publication year - 2001

Language(s) - English

Resource type - Reports

DOI - 10.2172/787719

Subject(s) - reflectometry , correlation , mode (computer interface) , core (optical fiber) , physics , plasma , computational physics , optics , condensed matter physics , mathematics , quantum mechanics , geometry , computer science , time domain , computer vision , operating system

The correlation between O-mode and X-mode reflectometer signals is studied with a 1D and 2D reflectometer model in order to explore its feasibilities as a q-profile diagnostic. It was found that 2D effects and finite fluctuation levels both decrease the O-X correlation. At very low fluctuation levels, which are usually present in the plasma core, there is good possibility to determine the local magnetic field strength and use that as a constraint for the equilibrium reconstruction

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