Stability of the LEBRA infrared FEL

被引：0

作者：

Yokoyama, K

Sato, I

Hayakawa, K

Tanaka, T

Hayakawa, Y

Kanno, K

Sakai, T

Ishiwata, K

Hashimoto, E

机构：

[1] Nihon Univ, Lab Electron Beam Res & Applicat, Funabashi, Chiba 2748501, Japan

[2] Nihon Univ, Grad Sch Sci & Technol, Funabashi, Chiba 2748501, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2003年 / 507卷 / 1-2期

关键词：

FEL; electron linac; near-IR; RF;

D O I：

10.1016/S0168-9002(03)00920-3

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The free electron laser (FEL) gain and the power have still been unstable, although the lasing of 1.5 mum FEL was achieved at the Laboratory for Electron Beam Research and Application (LEBRA). It has been observed that the FEL gain changes during the pulse duration. In order to investigate the cause of the fluctuation of the FEL gain, the beam energy spectra in the pulse duration and the IR light signals were measured with different input RF power and RF phase of the injector. It is found that the fluctuation of the beam energy during the pulse duration occurs in spite of the RF phase flatness (<0.5degrees/20 mus). (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：357 / 361

页数：5

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