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Generation of high-energy sub-20 fs pulses tunable in the 250-310 nm region by frequency doubling of a high-power noncollinear optical parametric amplifier

机译:通过高功率非共线光学参量放大器的倍频,产生可在250-310 nm范围内调谐的20 s以下高能脉冲

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摘要

We report on the generation of powerful sub-20 fs deep UV pulses with 10 (mu)J level energy and broadly tunable in the 250-310 nm range. These pulses are produced by frequency doubling a high-power noncollinear optical parametric amplifier and compressed by a pair of MgF_(2) prisms to an almost transform-limited duration. Our results provide a power scaling by an order of magnitude with respect to previous works.
机译:我们报道了具有10μJ能级且可在250-310 nm范围内广泛调谐的强大的20 fs以下深紫外脉冲的产生。这些脉冲是通过将高功率非共线光学参量放大器倍频而产生的,并由一对MgF_(2)棱镜压缩到几乎受变换限制的持续时间。我们的结果相对于以前的工作提供了一个数量级的功率缩放。

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