de Faria Pinto Tiago, Mathijssen Jan, Eikema Kjeld S E, Witte Stefan
Opt Express. 2019 Oct 14;27(21):29829-29837. doi: 10.1364/OE.27.029829.
We present an optical parametric chirped pulse amplifier (OPCPA) delivering 10.5 mJ pulses with durations down to 220 fs, at 100 Hz repetition rate, centered at 1550 nm. The system is pumped by a picosecond Nd:YAG amplifier at 1064 nm based on quasi-continuous-wave diode pumping and seeded by a femtosecond mode-locked Er fiber laser at 1550 nm. This choice of wavelengths enables the use of well-established technology and optical components for both pump and signal beams, resulting in a straightforward and robust system design and the ability for further power scaling to be used in high-energy laser-produced plasma experiments.
我们展示了一种光学参量啁啾脉冲放大器（OPCPA），它能以100 Hz的重复频率产生能量为10.5 mJ、脉宽低至220 fs、中心波长为1550 nm的脉冲。该系统由基于准连续波二极管泵浦的1064 nm皮秒Nd:YAG放大器泵浦，并由1550 nm的飞秒锁模铒光纤激光器种子注入。这种波长选择使得泵浦光和信号光都能够使用成熟的技术和光学元件。这带来了简洁且稳健的系统设计，以及进一步提高功率的能力，可用于高能激光产生等离子体实验。
