Soft-x-ray camera for internal shape and current-density measurements on a noncircular tokamak
1988; American Institute of Physics; Volume: 59; Issue: 8 Linguagem: Inglês
10.1063/1.1140074
ISSN1527-2400
AutoresR. J. Fonck, Kurt P. Jaehnig, E. T. Powell, M. Reusch, P. Roney, Martin Paul William Simon,
Tópico(s)Superconducting Materials and Applications
ResumoA two-dimensional, tangentially viewing, soft-x-ray pinhole camera has been fabricated to provide internal shape measurements on the PBX-M tokamak. It consists of a scintillator at the focal plane of a foil-filtered pinhole camera, which is, in turn, fiber-optically coupled to an intensified framing video camera (Δt≥3 ms). Automated data acquisition is performed on a stand-alone image processing system, and data archiving and retrieval take place on an optical disk video recorder. The derivation of the poloidal emission distribution from the measured image is done by fitting to model profiles.
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