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  • 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 2019),
  • paper cd_p_11

Peak Power Enhancement of Yb:YAG Laser Pulses by Second Harmonic Generation with Time Predelay in Borate Crystals

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Abstract

Compression of ~1ps pulses by frequency up-conversion in nonlinear optical crystal cut for type II phase matching is a well established method, if one desires intense, sub-ps up-converted pulses. For efficient compression of 1 μm light, time predelay must be introduced between the ordinary and extraordinary input pulses and group velocity of generated second harmonic pulses vgSH must be in between the group velocities of fundamental pulses vg,oFH and vg,eFH [1].

© 2019 IEEE

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