Two Pulse and Multiple Position Thomson Scattering System

A Thomson scattering system for simultaneous measurements of the electron temperature and density at ten different positions at two times during a single plasma shot has been developed for Heliotron E. The apparatus consists of two ruby lasers, each delivering two pulses whose temporal separation is...

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 1983-03, Vol.22 (3R), p.485
Main Authors: Sudo, Shigeru, Kondo, Katsumi, Mutoh, Takashi, Zushi, Hideki, Iiyoshi, Atsuo, Uo, Koji
Format: Article
Language:English
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Summary:A Thomson scattering system for simultaneous measurements of the electron temperature and density at ten different positions at two times during a single plasma shot has been developed for Heliotron E. The apparatus consists of two ruby lasers, each delivering two pulses whose temporal separation is typically 100 ms; light collection optics including automatic positioning mechanisms; 80 detectors; and a data processing system. We have obtained spatial profiles of T e (0.05–1.3 keV) and n e (0.2-9.0×10 19 m -3 ) in Heliotron E for each plasma shot.
ISSN:0021-4922
1347-4065
DOI:10.1143/JJAP.22.485