Development of a YAG laser system for the edge Thomson scattering system in ITER

Hatae, Takaki; Yatsuka, Eiichi; Hayashi, Toshimitsu; Yoshida, Hidetsugu*; Ono, Takehiro; Kusama, Yoshinori

A prototype YAG laser system for the edge Thomson scattering system in ITER has been newly developed. Performance of the laser amplifier was improved by using flow tubes made of samarium-doped glass; the small signal gain reached 20 at its maximum. As a result, an output energy of 7.66 J at 100 Hz was successfully achieved, and the performance exceeded the target performance (5 J, 100 Hz).

Language	:	English
Journal	:	Review of Scientific Instruments
Volume	:	83
Number	:	10
Pages	:	p.10E344_1 - 10E344_3
Publication Year/Month	:	2012/10
Meeting title	:	19th Topical Conference on High-Temperature Plasma Diagnostics (HTPD 2012)
Held date	:	2012/05
Location (city)	:	Monterey
Location (country)	:	U.S.A.
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.1063/1.4738658
DOI for research data	:
Keywords	:	no keyword
Research Facility	:
Press Release	:	Development of a new laser system for plasma diagnostics with the world's highest performance; Highly accurate measurement of plasma temperature and density is achievable in ITER 世界最高性能のプラズマ計測用レーザー装置の開発に成功; イーターにおいてプラズマ密度・温度の高精度測定が可能に
Article of JAEA R&D Review	:	A Laser System for Plasma Diagnostics Has Achieved the World's Best Performance; Development of YAG Laser for the Edge Thomson Scattering System in ITER[/]
Cooperating Institute	:	大阪大学

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Registration No. : BB20120086
JAEA Abstracts No. : 41000612
Paper Submission No. : 12351

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