Tungsten ion source under double-pulse laser ablation system
Khalil Ahmed Asaad I1, †, Hafez Ashraf I2, Elgohary Mahmoud E3, 4, Morsy Mohamed A5
       

(color online) Volt-current curves of the W-plasma without and with applying UV, IR, and combination (UV+IR) lasers at fixed 2 mbar Ar-gas pressure and 1 cm distance between the two electrodes.