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Microsecond pulsed optical parametric oscillator pumped by a Q-switched fiber laser

机译:调Q光纤激光器泵浦的微秒脉冲光学参量振荡器

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We report on what is to our knowledge the first optical parametric oscillator (OPO) pumped by microsecond pulses from a wavelength-tunable solid-state laser. The singly resonant OPO (SRO) is based on a periodically poled LiNbO_(3) crystal and pumped with 2.1-μs-long pulses from an actively Q-switched Yb fiber laser. At an average fiber laser power of 3.6 W, the SRO generates 1.9-μs-long pulses with a repetition rate of 25 kHz and an average power of 560 mW at 3360 nm. The SRO was tuned from 1518 to 1634 nm (signal) and from 3145 to 3689 nm (idler) via the crystal temperature and poling period. By all-electronic tuning of the fiber laser wavelength over 19 nm, tuning of the mid-infrared idler wavelength over 195 nm was achieved.
机译:我们将报告由波长可调固态激光器发出的微秒脉冲泵浦的第一个光学参量振荡器(OPO)。单谐振OPO(SRO)基于周期性极化的LiNbO_(3)晶体,并由主动调Q的Yb光纤激光器泵浦长2.1μs的脉冲。在3.6 W的平均光纤激光功率下,SRO产生1.9μs长的脉冲,其重复频率为25 kHz,在3360 nm处的平均功率为560 mW。通过晶体温度和极化周期,将SRO调整为1518至1634 nm(信号)和3145至3689 nm(惰轮)。通过对19纳米以上的光纤激光器波长进行全电子调谐,可以对195纳米以上的中红外惰轮波长进行调谐。

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