Polarization-dependent elliptical crater morphologies formed on a silicon surface by single-shot femtosecond laser ablation Ji, Xu ; Jiang, Lan ; Li, Xiaowei ; Han, Weina ; Liu, Yang ; Huang, Qiang ; Lu, Yongfeng Abstract Publication: Applied Optics Pub Date: October 2014 DOI: 10.1364/AO.53.006742 Bibcode: 2014ApOpt..53.6742J