Official Journal of the Japan Wood Research Society
Table 1 Laser irradiation and machining conditions
From: Wavelength dependence of machining performance in UV-, VIS- and NIR-laser cutting of wood
Wavelength (nm) | 266 | 355 | 532 | 1064 | |||
Pulse width (ns) | 11 | 12 | 13 | 15 | |||
Pulse frequency (kHz) | 50 | ||||||
Focal length (mm) | f40 | ||||||
Theoretical focal point diameter (μm) | 5.9 | 11.0 | 12.3 | 11.7 | |||
Power (W) | 2.0 | 1.0 | 2.0 | 5.0 | 5.0 | 5.0 | 12.0 |
Travel speed (mm/s) | 10 | 10 | 10 | 25 | 25 | 25 | 25 |
25 | 25 | 25 | 50 | 50 | 50 | 50 | |
50 | 50 | 50 | 125 | 125 | 125 | 125 | |
125 | 125 | 125 | 250 | 250 | 250 | 250 | |