High efficiency sub-nanosecond electro–optical <i>Q</i>-switched laser operating at kilohertz repetition frequency

High efficiency sub-nanosecond electro–optical Q-switched laser operating at kilohertz repetition frequency

Zhao Xin¹, Song Zheng¹, Li Yuan-Ji^{1, 2, †}, Feng Jin-Xia^{1, 2}, Zhang Kuan-Shou^{1, 2}

Schematic diagram of EO Q-switched laser. VBG: volume Bragg grating; TFP: thin film polarizer; OC: output coupler; QWP: quarter wave plate; PC: Pockels cell; BS: beam splitter; PBS: polarization beam splitter; PD: photodiode; EM: energy meter.