Efficient multi-folded Nd:YVO4 slab amplifier.
A high-efficiency multi-folded Nd:YVO(4) slab amplifier is reported. Optimizing the mode overlapping carefully, high extraction efficiency was achieved using the wedged multi-folded configuration with two planar folding mirrors. The amplifier's performance under different seed powers and different pulse repetition frequencies (PRF) is presented. The 52 W seed at the PRF of 152 kHz was amplified to 101.75 W with the pump power of 92 W, and the corresponding extraction efficiency is 54.3%. And no remarkable deterioration of the beam quality was observed.
Gong
Mali
M
Center for Photonics and Electronics, State Key Laboratory of Tribology, Dept. of Precision Instruments and Mechanology, Tsinghua University, Beijing 100084, China.
Wang
Qi
Q
Huang
Lei
L
Lu
Dan
D
Liu
Qiang
Q
D000669:Amplifiers, Electronic; D004867:Equipment Design; D019544:Equipment Failure Analysis; D053844:Lasers, Solid-State; D007909:Lenses