Compact soft x-ray source using Thomson scattering

Shigeru Kashiwagi, Ryunosuke Kuroda, Takashi Oshima, Fumio Nagasawa, Tomoaki Kobuki, Daisuke Ueyama, Yoshimasa Hama, Masakazu Washio, Kiminori Ushida, Hitoshi Hayano, Junji Urakawa

研究成果: Review article

30 被引用数 (Scopus)

抄録

A compact soft x-ray source using Thomson scattering, enabled by the combination of a picosecond laser and an electron rf gun, was developed aiming at biological studies such as those using an x-ray microscope. The x-ray source included both a photoinjector system and a picosecond laser system with a tabletop size of 2×2 m2. An infrared laser beam (λ0 =1047 nm) was obtained from an all-solid-state mode-locked Nd:YLF laser system and injected into the photocathode of an accelerator system. A 4.2 MeV electron beam was generated from a laser-driven photocathode rf gun system. The residual laser beam was amplified up to about 4.2 mJ /pulse using a flash-lamp-pumped laser amplifier. Upon collision of the electron beam with the amplified laser beam, 300 eV soft x rays were generated by Thomson backscattering. The stable interaction between the two beams was achieved using the same seed laser pulse for irradiating the photocathode and the scattering process with laser photons.

本文言語English
論文番号123302
ジャーナルJournal of Applied Physics
98
12
DOI
出版ステータスPublished - 2005

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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