Effect of ambient pressure on a femtosecond laser induced titanium plasma Dong Liu, Chuansong Chen, Xun Gao, Jingquan Lin, Baoyuan Man, Yanna Sun and Feifei Li Eur. Phys. J. D, 70 11 (2016) 245 Published online: 17 November 2016 DOI: 10.1140/epjd/e2016-70303-6