ASSESSMENT TECHNIQUES FOR MEASUREMENT OF TARGET EROSION REDEPOSITION IN LARGE TOKAMAKS

被引：1
|
作者：
COAD, JP
BEHRISCH, R
DEKOCK, L
KOCH, A
WESCHENFELDER, F
WIENHOLD, P
WILHELM, R
机构：
[1] FORSCHUNGSZENTRUM JULICH GMBH,W-5170 JULICH,GERMANY
[2] MAX PLANCK INST PLASMA PHYS,W-8046 GARCHING,GERMANY
来源：
JOURNAL OF NUCLEAR MATERIALS | 1993年 / 200卷 / 03期
关键词：
D O I：
10.1016/0022-3115(93)90309-M
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Two possible techniques for the measurement of erosion/redeposition in the new JET divertor have been assessed; colour fringe analysis (CFA) and speckle interferometry. CFA is a simple technique in which the target is viewed with a colour camera, and can study optically transparent deposited films up to 1 mum in thickness. Speckle interferometry is a powerful technique for following changes in surface topology, but its sensitivity of > 1 mum makes it more ideally suited to the next generation of tokamaks.
引用
收藏
页码：360 / 365
页数：6
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