Abstract
We passively switched a diode-pumped Nd:YVO4 microchip crystal with an antiresonant Fabry–Perot saturable absorber and achieved single-frequency pulses as short as 56 ps. We can vary the pulse width from 56 ps to 30 ns and the repetition rate from 27 kHz up to 7 MHz by changing the design parameters of the saturable absorber and the pump power.
© 1997 Optical Society of America
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