Contrast enhancement via shaped Raman pulses for thermal cold atom cloud interferometry Yukun Luo, Shuhua Yan, Qingqing Hu, Aiai Jia, Chunhua Wei and Jun Yang Eur. Phys. J. D, 70 12 (2016) 262 Published online: 15 December 2016 DOI: 10.1140/epjd/e2016-70428-6