Control continuum bandwidth and attosecond pulse generation by infrared laser parametric source C.L. Cheng, G.J. Zhao, T.J. Shao and H.B. Zhu Eur. Phys. J. D, 64 1 (2011) 171-180 Published online: 05 July 2011 DOI: 10.1140/epjd/e2011-10681-7