Horio Takuya, Spesyvtsev Roman, Suzuki Toshinori
Opt Lett. 2014 Oct 15;39(20):6021-4. doi: 10.1364/OL.39.006021.
The sixth harmonic (6ω, 133 nm) of a Ti:sapphire laser is generated using cascaded four-wave mixing in filamentation propagation of the fundamental (ω) and the second harmonic (2ω) pulses through Ne gas. The method provides the 6ω pulse energy higher than 5 nJ/pulse at 1 kHz and a pulse duration shorter than 17 fs without dispersion compensation.
利用钛宝石激光器的基频（ω）和二次谐波（2ω）脉冲在氖气中的丝状传播中的级联四波混频，产生了该激光器的六次谐波（6ω，133纳米）。该方法在1千赫兹时提供高于5纳焦/脉冲的6ω脉冲能量，且在无色散补偿的情况下脉冲持续时间短于17飞秒。
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