BEAM COMBINER FOR TRANSIENT PHENOMENA MEASUREMENT IN THE JT-60 THOMSON SCATTERING DIAGNOSTIC

被引：24

作者：

YOSHIDA, H

NAITO, O

YAMASHITA, O

KITAMURA, S

NAGASHIMA, A

MATOBA, T

机构：

[1] Japan Atomic Energy Research Institute, Naka Fusion Research Establishment, Naka-gun, Ibaraki 311-01, Naka-machi

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 1995年 / 66卷 / 01期

关键词：

D O I：

10.1063/1.1145247

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A beam combine method of two ruby lasers has been developed for the JT-60 Thomson scattering system, that is mainly composed of a polarizer plate and a Faraday rotator. By this method we have achieved a minimum time interval of 2 ms between the two laser pulses homogeneously combined. Also a high energy transmission of more than 95% has been attained. As a result, transient phenomena measurement can be available especially for pellet-injected plasmas by using the Thomson scattering system. The beam combine method applied to JT-60 is very attractive in terms of upgrading a Thomson scattering system to a high repetition diagnostic without any essential change of the existing equipment, and has been working with no serious trouble since 1989. The application of this method to a multilaser system with three or more lasers is also discussed for the practical purpose of improving a repetition rate of high power pulsed laser. © 1995 American Institute of Physics.

引用

页码：143 / 147

页数：5

共 9 条

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