High-efficiency eye-safe intracavity Raman laser at 1531 nm with SrWO4 crystal
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A high-efficiency diode-end-pumped Q-switched eye-safe linearly-polarized intracavity Raman laser at 1531 nm is demonstrated, with Nd:YVO4 as the laser medium and SrWO4 as the Raman crystal. The highest average power of 1.93 W is achieved, with an incident pump of 15.6 W and a repetition rate of 35 kHz. The narrowest pulse duration of 4.9 ns and the highest peak power of 32.2 kW are obtained at a repetition rate of 5 kHz.