A linear integral-equation-based computer code for self-amplified spontaneous emission calculations of free-electron lasers

被引：3
作者：
Dejus, RJ
Shevchenko, OA
Vinokurov, NA
机构：
[1] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA
[2] Budker Inst Nucl Phys, Novosibirsk 630090, Russia
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2000年 / 445卷 / 1-3期
关键词：
free-electron laser; simulation;
D O I：
10.1016/S0168-9002(00)00106-6
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The linear integral-equation-based computer code "Roger Oleg Nikolai" (RON), which was recently developed at Argonne National Laboratory, was used to calculate the self-amplified spontaneous emission (SASE) performance of the free-electron laser (FEL) being built at Argonne. Signal growth calculations under different conditions were used to estimate tolerances of actual design parameters and to estimate optimal length of the break sections between undulator segments. Explicit calculation of the radiation field was added recently. The measured magnetic fields of five undulators were used to calculate the gain for the Argonne FEL. The result indicates that the real undulators for the Argonne FEL (the effect of magnetic field errors alone) will not significantly degrade the FEL performance. The capability to calculate the small-signal gain for an FEL-oscillator is also demonstrated. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：19 / 23
页数：5
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