Abstract
We report a femtosecond optical parametric oscillator based onMgO-doped PPLN synchronously pumped by a mode-locked Ti:sapphire laser.The wavelengths of the signal and idler are continuously tuned from1100 to 1300 nm and from 2080 to 2930 nm, respectively, by changing thepump wavelength and the OPO cavity length. The maximum signal outputpower of 130 mW at the wavelength of 1225 nm is obtained, pumped by900 mW of 800 nm laser radiation. This corresponds to a total conversionefficiency of 22.1%. The signal pulse duration is measured to be167 fs by intensity autocorrelation with chirped mirrors for intracavitydispersion compensation.
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