Third Harmonic Lasing in a Storage Ring Free-Electron Laser

被引：14
作者：
Sei, Norihiro [1 ]
Ogawa, Hiroshi [1 ]
Yamada, Kawakatsu [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Res Inst Instrumentat Frontier, Tsukuba, Ibaraki 3058568, Japan
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2010年 / 79卷 / 09期
关键词：
free electron lasers; storage ring; third harmonics; NIJI-IV; OPTICAL KLYSTRON; FEL;
D O I：
10.1143/JPSJ.79.093501
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report the first experimental achievement of a storage ring free-electron laser (FEL) oscillation on the third harmonic in the near-infrared region. The FEL gain was evaluated as 0.029% per mA. The measured linewidth of the third-harmonic FEL was less than that of the fundamental FEL, and the measured pulse width of the third-harmonic FEL was wider than that of the fundamental FEL. A higher-harmonic FEL should be developed not only to enhance the wavelength region of the FEL but also to vary the characteristics of an FEL micropulse.
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页数：4
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