“…Figure 4 depicts the emission spectrum of copper metal plasma that was diagnosed by (S3000-UV-NIR) spectrometer at di erent laser energy, ranging from 500 to 800 mJ, where the gure shows that the spectrum was recorded from wavelengths ranging from 200 nm to 650 nm, where the results showed the emergence of many spectral copper peaks of these emissions, including several spectral lines for the atomic copper 324.58, 346.62, 360.20 to the strongest intensity 521.32 nm, in addition, there were ve ionic emission lines in the spectrum emissions lines Cu(II) starting from weak line 212.54 nm and 219.60, 237.82, 261.97 to the strongest line at 529.42 nm of the laser energy utilized (500-800) mJ. In situations where the intensity of these emission spectral peaks rises as a result of an increase in laser energy as a result of an increase in plasma absorption, copper emission spectral lines are the most useful for estimating plasma temperature, and thus plasma temperature estimations are greatly a ected by resonant emission spectral lines, and agreement with prior ndings (Ahmed and Yousef, 2021;Fikry et al, 2020a;Safeen et al, 2019). the most important characteristics in plasma physics, with also plasma parameters (Haberberger et al, 2019) .…”