Enhancement of Ne-like Ar 46.9 nm laser intensity by increasing the inner diameter of the capillaryHui Tong, Yongpeng Zhao, Muhammad Usman Khan, Qi Yu, Dongdi Zhao, Feifei Zhang and Ziyue CaoEur. Phys. J. D, 73 7 (2019) 132DOI: https://doi.org/10.1140/epjd/e2019-90523-4