High-repetition-rate femtosecond optical parametric oscillator based on RbTiOAsO(4).
A high-repetition-rate Ti:sapphire-pumped femtosecond optical parametric oscillator based on the new nonlinear-optical crystal RbTiOAsO(4) is described. Tuning from 1.03 to 1.3 microm in the signal branch and from 2.15 to 3.65 microm in the idler branch with powers as high as 250 mW in the signal and 200 mW in the idler is presented. The possibility of extending the tuning range beyond 3.65 microm is discussed.
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