Improvement for HHG-seeded EUV Free Electron Laser with Timing Measurement System by EO Sampling

Kanade Ogawa,Tadatake Sato,Shigeki Owada,Shinichi Matsubara,Y. Okayasu,Tadashi Togashi,Takahiro Watanabe,E. J. Takahashi,Katsumi Midorikawa,M. Aoyama,Koichi Yamakawa,A. Iwasaki,Kaoru Yamanouchi,Takashi Ohshima,Yuji Otake,Toru Hara,Takashi Tanaka,Hitoshi Tanaka,H. Tomizawa,Makina Yabashi,T. Ishikawa

Improvement for HHG-seeded EUV Free Electron Laser with Timing Measurement System by EO Sampling

2014

Using the arrival timing measurement system based on EO (Electro-Optic) sampling technique, we improved the number of successful seeded FEL. HHG-seeded FEL was operated over half a day with a 20-30 % effective hit rate.

Keywords:

Seeding
Spontaneous emission
Free-electron laser
Sampling (statistics)
High harmonic generation
Extreme ultraviolet lithography
Physics
Optics
Analytical chemistry
Hit rate
System of measurement

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