Passively Q-switched nanosecond pulse-train Nd:YAG laser system

A pulse-train Nd:YAG laser system consisting of repetitively Q-switched Nd:YAG oscillator with Cr4+:YAG saturable absorber, double pass Nd:YAG amplifier and stimulated Brillouin scattering (SBS) pulse compressor has been demonstrated. Number and energy of the laser pulses were controlled by adjusting width and amplitude of the flash lamp pumping pulses. Efficient SBS compression of Nd:YAG laser pulses was obtained using single-cell compressor.

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