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1.3 W femtosecond mid-IR source at 8.5 μm wavelength

机译:波长为8.5μm的1.3 W飞秒中红外源

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1.3 W of average power at 8.5 μm central wavelength are generated through collinear optical parametric amplification in LiGaS2 The crystal is pumped by a 45 W femtosecond oscillator operating at 1.03 μm wavelength. The seed is generated by a normally dispersive photonic crystal fibre. This ensures passive carrier-envelope-offset stability of the idler. The concept is expected to be peak and average power scalable, opening an exciting perspective towards applications in spectroscopy of molecular fingerprints as well as in high field physics.
机译:通过在LiGaS2中进行共线性光学参量放大,可在8.5μm中心波长处产生1.3 W的平均功率。该晶体由工作在1.03μm波长下的45 W飞秒振荡器泵浦。种子是由正常分散的光子晶体光纤产生的。这确保了惰轮的无源载流子-包络偏移稳定性。该概念有望在峰值功率和平均功率之间实现可扩展,从而为分子指纹图谱以及高场物理学中的应用打开了令人兴奋的前景。

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