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Abstract

If the rotation of the mode structures in fron t of an x-ray pinhole camera is known, the full cross-section of the structures can be obtained. Where various modes are observed simultaneously, the experimental well-established phase coupling of these modes is implied. This allows the transition from time to poloidal angle to be made and modes with different toroidal mode numbers to be separated. With one pinhole camera, however, it is not possible to separate more than two modes with different poloidal mode numbers. In the first sections the computer code is described; examples of various tearing modes measured in a current-carrying stellarator plasma are then presented. The time evolution and the structure of these modes is discussed.

Additional information

Authors: SMEULDERS P MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, GARCHING BEI MUENCHEN (GERMANY), MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, GARCHING BEI MUENCHEN (GERMANY)
Bibliographic Reference: WRITE TO MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, 8046 GARCHING BEI MUENCHEN (GERMANY), MENTIONING REPORT IPP 2/252, 1983
Record Number: 1989122016700 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en