First lasing of a high-gain harmonic generation free- electron laser experiment

被引：34

作者：

Yu, LH

Babzien, M

Ben-Zvi, I

DiMauro, LF

Doyuran, A

Graves, W

Johnson, E

Krinsky, S

Malone, R

Pogorelsky, I

Skaritka, J

Rakowsky, G

Solomon, L

Wang, XJ

Woodle, M

Yakimenko, V

Biedron, SG

Galayda, JN

Gluskin, E

Jagger, J

Sajaev, V

Vassserman, I

机构：

[1] Brookhaven Natl Lab, ATF, Upton, NY 11973 USA

[2] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA

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：

D O I：

10.1016/S0168-9002(00)00131-5

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We report on the first lasing of a high-gain harmonic generation (HGHG) free-electron laser (FEL). The experiment was conducted at the Accelerator Test Facility (ATF) at Brookhaven National Laboratory (BNL). This is a BNL experiment in collaboration with the Advanced Photon Source (APS) at Argonne National Laboratory. A preliminary measurement gives a high-gain harmonic generation (HGHG) pulse energy that is 2 x 10(7) times larger than the spontaneous radiation. In a purely self-amplified spontaneous emission (SASE) mode of operation, the signal was measured as 10 times larger than the spontaneous radiation in the same distance ( similar to 2 m) through the same wiggler. This means the HGHG signal is 2 x 10(6) times larger than the SASE signal. To obtain the same saturated output power by the SASE process, the radiator would have to be 3 times longer (6 m). Published by Elsevier Science B.V.

引用

页码：301 / 306

页数：6

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