Erratum to “Role of Focusing Distance in Picosecond Laser-Induced Cu Plasma Spectra” - Chen, Linyu; Deng, Hu; Wu, Zhixiang; Xiong, Zhonggang; Guo, Jin; Liu, Quancheng; Samuel, Akwasi Danso; Shang, Liping (Advances in High Energy Physics, 2023)