Double pulse Thomson scattering system at RTP

被引：8

作者：

Beurskens, MNA

Barth, CJ

Chu, CC

Donne, AJH

Herranz, JA

Cardozo, NJL

vanderMeiden, HJ

Pijper, FJ

机构：

[1] FOM-Inst. V. Plasmafysica 'R., Associatie Euratom-FOM

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 1997年 / 68卷 / 01期

关键词：

D O I：

10.1063/1.1147685

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In this article a double pulse multiposition Thomson scattering diagnostic, under construction at RTP, is discussed. Light from a double pulsed ruby laser (pulse separation: 10-800 mu s, max. 2x12.5 J) is scattered by the free electrons of the tokamak plasma and relayed to a Littrow polychromator for spectral analysis. The spectrally resolved light is recorded by two ICCD detectors. Simulations show that the system sensitivity will be such that electron temperatures in the range of 100 eV-7 keV can be determined with an accuracy as good as 2%-3% for electron densities of 10(20) m(-3), With a spatial resolution down to 2.6 mm. With this diagnostic the dynamics of small scale structures in the electron temperature profile will be studied. (C) 1997 American Institute of Physics.

引用

页码：721 / 724

页数：4

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