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) Output power in the CW mode. (b) Pulse energy and pulse width at the PRF of 2 kHz and 3 kHz in the Q-switch operation.