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1. Wavefront correction of Ti : sapphire terawatt laser with varying precision of phase conjugation between deformable mirror and wavefront sensor*.

Author

Yu Liang-Hong, Liang Xiao-Yan, Ren Zhi-Jun, Wang Li, Xu Yi, Lu Xiao-Ming, and Yu Guo-Hao

Subjects
*SAPPHIRES, *OPTICAL phase conjugation, *FOCUSING of deformable mirrors, *ADAPTIVE optics, *LASER beams, *NONLINEAR optics
Abstract

The phase conjugation between the deformable mirror and the wavefront sensor in the aberration correction of a terawatt Ti:sapphire laser is studied experimentally and theoretically in this paper. At varying values of phaseconjugation precision, we focus the corresponding beams into spots of the same size of 5.1 µm × 5.3 µm with a f/4 parabola in the 32 TW/36 fs Ti:sapphire laser system. The results show that the precision of conjugation can induce an intensity modulation but does not significantly affect the wavefront correction. [ABSTRACT FROM AUTHOR]

Published
2012
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