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}

Stimulated emission cross-section versus doping concentration at laser wavelength.