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Generation of 120 GW mid-infrared pulses from a widely tunable noncollinear optical parametric amplifier

机译:可广泛调谐的非共线光学参量放大器产生120 GW的中红外脉冲

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We demonstrate a noncollinear optical parametric chirped-pulse amplification scheme for generating high-peak-power tunable mid-infrared (IR) pulses. The high-gain LiNbO_3-based noncollinear parametric amplifier, seeded by a tunable femtosecond optical parametric amplifier, provides a wide wavelength tuning range from 3.3 to 3.95 μm and a large saturated gain of over 4000 in a single-stage amplifier. The compressed mid-IR pulse has a pulse energy of 13.3 mJ and pulse duration of 111 fs, with a peak power as high as 120 GW. To the best of our knowledge, this is the highest peak power ever reported for 3-5 μm tunable mid-IR lasers.
机译:我们演示了一种非共线光学参量chi脉冲放大方案,用于生成高峰值功率的可调中红外(IR)脉冲。由可调飞秒光学参量放大器播种的基于高增益LiNbO_3的非共线参量放大器,可在单级放大器中提供3.3至3.95μm的宽波长调谐范围和超过4000的大饱和增益。压缩后的中红外脉冲的脉冲能量为13.3 mJ,脉冲持续时间为111 fs,峰值功率高达120 GW。据我们所知,这是3-5μm可调谐中红外激光器报告的最高峰值功率。

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