由单模光纤耦合激光二极管泵浦的高峰值功率超快镱钙氟振荡器。

High peak power ultrafast Yb:CaF oscillator pumped by a single-mode fiber-coupled laser diode.

作者信息

Kowalczyk Maciej, Major Arkady, Sotor Jarosław

出版信息

Opt Express. 2017 Oct 16;25(21):26289-26295. doi: 10.1364/OE.25.026289.

DOI:10.1364/OE.25.026289

Abstract

We demonstrate a high peak power mode-locked Yb:CaF oscillator pumped by a single-mode laser diode. The laser operated in hybrid Kerr-lens and SESAM mode-locked regime. Its performance was optimized by varying the output coupler ratio. Pulses as short as 65 fs were generated with 0.4% transmission. Employing 5% output coupler enabled generation of 77 fs pulses with 46 kW of peak power (262 mW of average output power). We believe that such high peak powers can open a way to practical applications of single-mode diode-pumped ultrafast ytterbium lasers.

摘要

我们展示了一种由单模激光二极管泵浦的高峰值功率锁模Yb:CaF振荡器。该激光器工作在混合克尔透镜和SESAM锁模机制下。通过改变输出耦合器比率对其性能进行了优化。在输出耦合器透过率为0.4%时产生了短至65 fs的脉冲。使用5%的输出耦合器能够产生77 fs的脉冲，峰值功率为46 kW（平均输出功率为262 mW）。我们认为，如此高的峰值功率可为单模二极管泵浦超快镱激光器的实际应用开辟道路。