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We demonstrate a high-efficiency mid-infrared picosecond optical parametric oscillator(OPO) based on MgO doped periodically poled lithium niobate(MgO:PPLN) with a Jaser diode array(LDA) pumped Jnnosiab amplifier as the pumping source.Under a 16 W synchronously pumping power,4.5 W of idler light at 2896 nm is obtained.A tuning range of idler light from 2688 nm to 3016 nm is achieved,within which the highest optical-optical conversion efficiency from pump power to OPO output is 35.1%.Moreover,a signal light of ~500 mW from 1644 to 1700nm with a repetition rate of 233.8 MHz is generated.
We demonstrate a high-efficiency mid-infrared picosecond optical parametric oscillator (OPO) based on MgO doped periodically poled lithium niobate (MgO: PPLN) with a Jaser diode array (LDA) pumped Jnnosiab amplifier as the pumping source. Unders a 16 W synchronously pumping power, 4.5 W of idler light at 2896 nm is obtained. A tuning range of idler light from 2688 nm to 3016 nm is achieved, within which the highest optical-optical conversion efficiency from pump power to OPO output is 35.1% a signal light of ~ 500 mW from 1644 to 1700 nm with a repetition rate of 233.8 MHz is generated.