In this paper, we report on the self-focusing of picosecond laser pulses in large-coresilica fibers and accompanying generation of quasi-continuum which covers the entire visible wavelength range.

• 本文报导了大芯径石英光纤中短脉冲激光的自聚焦和伴随产生的复盖整个可见光区的准连续光谱。