Kieu K, Wise F W
Department of Applied Physics, Cornell University, Ithaca, NY 14853, USA.
Opt Express. 2008 Jul 21;16(15):11453-8. doi: 10.1364/oe.16.011453.
Spectral filtering of a chirped pulse can be a strong pulse-shaping mechanism in all-normal-dispersion femtosecond fiber lasers. We report an implementation of such a laser that employs only fiber-format components. The Yb-doped fiber laser includes a fiber filter, and a saturable absorber based on carbon nanotubes. The laser generates 1.5-ps, 3-nJ pulses that can be dechirped to 250 fs duration outside the cavity.
啁啾脉冲的光谱滤波在全正色散飞秒光纤激光器中可能是一种强大的脉冲整形机制。我们报道了一种仅采用光纤形式组件的此类激光器的实现。掺镱光纤激光器包括一个光纤滤波器和一个基于碳纳米管的可饱和吸收体。该激光器产生1.5皮秒、3纳焦的脉冲，这些脉冲在腔外可被解啁啾至250飞秒的持续时间。
