G Fuchs and V Pickalov 1998 Plasma Phys. Control. Fusion 40 91 doi:10.1088/0741-3335/40/1/004
Vector and scalar tomography on fusion plasmas using Hamiltonian and variational methods
G Fuchs
and V Pickalov
A method is presented to obtain tomographic inversions of line-integrated measurements in magnetized plasmas, both for the cases of scalar and vector fields. For the Hamiltonian flow of the magnetic field in tokamaks the vector tomographic problem can be reduced to a scalar one. In many fusion experiments the amount of measured data is insufficient to allow an inversion without further assumptions. We present a variational method, where such assumptions can easily be implemented by the use of constraints. We outline the procedures using the example of obtaining the 
function on tokamaks from Faraday rotation measurements.
- PACS
- Subjects
- Dates
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Issue 1 (January 1998)
Received 25 March 1997, in final form 17 October 1997
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Vector and scalar tomography on fusion plasmas using Hamiltonian and variational methods
G Fuchs and V Pickalov 1998 Plasma Phys. Control. Fusion 40 91
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