Table 2 Summary of the settings of Yb:YAG laser system (INFINITO 50 W by El.En. SpA) used for tests on paint types FB, FR, MR
From: Testing of a new Yb:YAG fiber laser system for the removal of graphic vandalism from marble
Operative mode | Laser setting parameters | Visible image of the surface after laser treatment | ||||
|---|---|---|---|---|---|---|
PN [W] | P [kW] | Repetition frequency [kHz] | Energy per pulse [mJ] | Fluence per pulse [J/cm2] | ||
E | 40 | 10 | 40 | 1 | 10.52 |
|
F | 50 | 8 | 60 | 0.8 | 8.42 |
|
G | 50 | 6.3 | 80 | 0.63 | 6.63 |
|
H | 50 | 5 | 100 | 0.5 | 5.26 |
|
I | 50 | 7 | 200 | 0.25 | 2.63 |
|
