Abstract
We describe a Ti:sapphire-pumped picosecond optical parametric oscillator based on periodically poled that is broadly tunable in the near to mid infrared. A 4.5-mm single-grating crystal at room temperature in combination with pump wavelength tuning provided access to a continuous-tuning range from 3.35 to , and a pump power threshold of 90 mW was measured. Average mid-infrared output powers in excess of 100 mW and total output powers of 400 mW in pulses were obtained at 33% extraction efficiency.
© 1998 Optical Society of America
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