Gun Design Criteria for the Refurbishment of the First Prototype of the EU 170GHz/2MW/CW Coaxial Cavity Gyrotron for ITER

被引：0

作者：

Pagonakis, Ioannis Gr. ^{[1
]}

Hogge, Jean-Philippe ^{[1
]}

Goodman, Timothy ^{[1
]}

Alberti, Stefano ^{[1
]}

Piosczyk, Bernhard ^{[3
]}

Illy, Stefan ^{[3
]}

Rzesnicki, Tomasz ^{[3
]}

Kern, Stefan ^{[3
]}

Lievin, Christophe ^{[2
]}

机构：

[1] Ecole Polytech Fed Lausanne, Assoc Euratom Confederat Suisse, CRPP, CH-1015 Lausanne, Switzerland

[2] Thales Components & Subsyst, Velizy Villacoublay, France

[3] Forschungszentrum Karlsruhe, Assoc EURATOM FZK IHM, D-76344 Leopoldshafen, Germany

来源：

2009 34TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES, VOLS 1 AND 2 | 2009年

关键词：

2-MW;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The first prototype of the EU 170 GHz/2 MW/CW coaxial cavity gyrotron for ITER has been tested in the frame of a collaboration between European Research Institutions (EGYC(1)) supported by Fusion for Energy (F4E). The experiments showed (i) the limitation of the operating parameters range to a low efficiency domain, and (ii) a voltage stand-off problem. The first observation has been associated to a poor beam quality at the cavity. Possible explanations for the second observation are the existence of a potential well located at the rear part of the gun and/or the presence of an electron population trapped in the magnetic mirror between the cathode and the cavity. Both effects were simulated using Ariadne++ [1] and a new gun design is proposed, were they are absent.

引用

页码：654 / +

页数：2

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