TY - JOUR
T1 - Thermal distortion of wavefront in high-intensity-laser system for inverse Compton X-ray generation
AU - Ishikawa, Hiroki
AU - Ito, Shinji
AU - Endo, Akira
AU - Yanagida, Tatsuya
AU - Torizuka, Kenji
AU - Sakai, Fumio
AU - Washio, Masakazu
PY - 2003/11/20
Y1 - 2003/11/20
N2 - 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.
AB - 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.
KW - Diode pumped Yb: S-FAP
KW - High-intensity laser
KW - Thermal distortion
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U2 - 10.1117/12.478976
DO - 10.1117/12.478976
M3 - Conference article
AN - SCOPUS:0242662681
SN - 0277-786X
VL - 4969
SP - 50
EP - 57
JO - Proceedings of SPIE - The International Society for Optical Engineering
JF - Proceedings of SPIE - The International Society for Optical Engineering
T2 - Laser Resonators and Beam Control VI
Y2 - 28 January 2003 through 30 January 2003
ER -