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}

Lay out of the novel Er:YAG laser system. PD: photo detector; PBS: polarization beam splitter; HWP: half wave plate; ISO: isolator; LD: laser diode; AOM: acousto–optic modulator; PZT: piezoelectric ceramic transducer.