Table 1.
Technical specification of the selected micro-pulse laser source.
| Laser | Nd:YAG |
|---|---|
| Wavelength (nm) | 354.7 ± 1.0 |
| Operating mode | Acousto-Optic Q-switched |
| Average power (W) | 1–5 (6 W @ 30 kHz) |
| Rep. rate (kHz) | 10–40 |
| Pulse energy @10 kHz (μJ) | 190 |
| Pulse energy @20 kHz (μJ) | 250 |
| Pulse energy @30 kHz (μJ) | 200 |
| Pulse energy @40 kHz (μJ) | 140 |
| Pulse width (ns) | ~12 @ 30 kHz |
| Warm-up time (minutes) | <10 |
| Transverse mode | TEM00 |
| Beam diameter (after 10× beam expander, mm) |
8 |
| Beam divergence, full angle (after 10 × beam expander, mrad) | <0.3 |
| Beam quality (M2) | <1.3 |
| Polarization ratio/Direction | >100:1, Horizontal |
| Cooling method | Water Cooled |
| Oper. envir. temp. (°C) | 15–35 |
| Supply Voltage | DC 12 V (≥25 A) |
| Size (mm) | 450 × 180 × 95 |
| Weight (kg) | 10 |