A diode-end-pumped electro-optic （EO） Q-switched Nd：YVO4 laser operating at repetition rate of 10 kpps （pulses per second） was reported. A block of La3Ga5SiO14 （LGS） single crystal was used as a Q-switch and th...A diode-end-pumped electro-optic （EO） Q-switched Nd：YVO4 laser operating at repetition rate of 10 kpps （pulses per second） was reported. A block of La3Ga5SiO14 （LGS） single crystal was used as a Q-switch and the driver was a metal oxide semiconductor field effect transistor （MOS-FET） pulser of high repetition rate and high voltage. At continuous wave （CW） operation, the slope efficiency of the laser was 46%, and maximum optical-to-optical efficiency was 38.5%. Using an output coupler with transmission of 70%, a 10-kpps Q-switched pulse train with 0.4-mJ monopulse energy and 8.2-ns pulse width was achieved, the optical conversion efficiency was around 15%, and the beam quality M^2 factor was less than 1.2.展开更多
文摘A diode-end-pumped electro-optic （EO） Q-switched Nd：YVO4 laser operating at repetition rate of 10 kpps （pulses per second） was reported. A block of La3Ga5SiO14 （LGS） single crystal was used as a Q-switch and the driver was a metal oxide semiconductor field effect transistor （MOS-FET） pulser of high repetition rate and high voltage. At continuous wave （CW） operation, the slope efficiency of the laser was 46%, and maximum optical-to-optical efficiency was 38.5%. Using an output coupler with transmission of 70%, a 10-kpps Q-switched pulse train with 0.4-mJ monopulse energy and 8.2-ns pulse width was achieved, the optical conversion efficiency was around 15%, and the beam quality M^2 factor was less than 1.2.
