Design and performance of the Thomson scattering diagnostic on LHD

被引：147

作者：

Narihara, K ^{[1
]}

Yamada, I ^{[1
]}

Hayashi, H ^{[1
]}

Yamauchi, K ^{[1
]}

机构：

[1] Natl Inst Fus Sci, Toki 5025292, Japan

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2001年 / 72卷 / 01期

关键词：

D O I：

10.1063/1.1319368

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

This article describes the design and performance of a multi-point (200) high repetition rate (4x50 Hz) Thomson scattering diagnostic installed on the Large Helical Device. A unique feature of this system is its oblique back scattering configuration, which enables us to observe the entire plasma region along a major radius on the midplane under a severely restricted port constraint. High throughput collection optics using a mosaic mirror of 1.5 mx1.8 m area yield high quality data even with 0.5 J pulse energy delivered from 50 Hz repetition rate Nd: yttrium-aluminum-garnet lasers. High repetition and high spatial resolution (2-4 cm) of the system enable us to study island evolution in the plasma. (C) 2001 American Institute of Physics.

引用

页码：1122 / 1125

页数：4

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