A 3-kHz Er:YAG single-frequency laser with a ‘triple-reflection’ configuration on a piezoelectric actuator

Huang Shuai^{1, 2}, Wang Qing^{1, 2, †}, Zhang Meng^{1, 2}, Chen Chaoyong^{1, 2}, Wang Kaixin^{1, 2}, Gao Mingwei^{1, 2}, Gao Chunqing^{1, 2}

(a) The output properties of single-frequency pulse versus pump power. (b) Build-up time before and after injection-seeding at the PRFs of 3 kHz versus the pump power.