Possibility of a high-power, high-gain FEL amplifier

被引：8

作者：

Nguyen, DC

Freund, HP

机构：

[1] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[2] Sci Applicat Int Corp, Mclean, VA 22102 USA

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：

high-power FEL; high gain; FEL amplifier; SASE; tapered wiggler; energy-spread compression; energy recovery;

D O I：

10.1016/S0168-9002(03)00853-2

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

High-gain FEL amplifiers offer many unique advantages such as robust operation without a high-Q optical cavity and potentially high extraction efficiencies with the use of tapered wigglers. Although a high average power, cw FEL amplifier has not been demonstrated, many key physics issues such as electron beam brightness requirements, single-pass gain, saturation, etc. have been resolved. In this paper, we study the feasibility of a high-power FEL based on the high-gain, tapered-wiggler amplifier. We show that with suitable electron beam parameters, a peak output power of 1 GW and a micropulse energy of 8 mJ can be achieved. We also outline a possible configuration of a high-power, high-gain FEL amplifier with energy recovery. Published by Elsevier Science B.V.

引用

页码：120 / 124

页数：5

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