Thermal distortion of wavefront in high-intensity-laser system for inverse Compton X-ray generation

Hiroki Ishikawa, Shinji Ito, Akira Endo, Tatsuya Yanagida, Kenji Torizuka, Fumio Sakai, Masakazu Washio

研究成果: Conference article査読

抄録

We have developed a stable 7 terawatt (TW) (168 mJ per pulse, 24 fs pulse duration) Ti: sapphire laser system operating at 50 Hz for a generation of femtosecond X-ray pulses by inverse Compton scattering. We corrected the wavefront distortion of these high intensity laser pulses with adaptive optics using a Shack-Hartmann type wavefront sensor and a deformable mirror. We have also started developing a compact all-solid-state Yb: Sr5(PO 4)3F (Yb: S-FAP) laser system to realize a practical X-ray pulse generation system. We measured thermal lensing induced in Yb: S-FAP crystal for design of a high-energy regenerative amplifier. In addition, we measured wavefront of the amplified pulses in the Yb: S-FAP regenerative amplifier with the wavefront sensor.

本文言語English
ページ(範囲)50-57
ページ数8
ジャーナルProceedings of SPIE - The International Society for Optical Engineering
4969
DOI
出版ステータスPublished - 2003 11 20
イベントLaser Resonators and Beam Control VI - San Jose, CA, United States
継続期間: 2003 1 282003 1 30

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • コンピュータ サイエンスの応用
  • 応用数学
  • 電子工学および電気工学

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