Official Journal of the Japan Wood Research Society
Table 2 Laser irradiation parameters
Group B, D, G, I | Group C, E, H, J | |
|---|---|---|
Wavelength (nm) | 355 | 355 |
Pulse width (ns) | 25 | 25 |
Pulse energy (μJ) | 260 | 260 |
Pulse repetition rate (kHz) | 50 | 50 |
Power (W) | 13 | 13 |
Theoretical focal spot diameter (μm) | 22.6 | 22.6 |
Irradiation time per 1 hole (ms) | 3 | 20 |