DPSS LASER
LARK 355-3/5
LARK 355-3/5
3-5W
The Lark-355-5A is currently the ultraviolet product in the Lark series, employing a thermal management approach that combines conduction cooling with air convection cooling. This product features enhanced structural stability and superior environmental adaptability, thereby delivering excellent beam quality, high power stability, long lifespan, exceptional consistency, easy installation, and maintenance-free operation.
355nm Wavelength
3-5W Average Power
Air Cooled Cooling Method
ADVANTAGES
° Compact size, lighter weight, and sleek appearance
o Strong resistance to electromagnetic interference, highly efficient thermal management, and user-friendly GUI interface
° Easy installation and maintenance-free operation
APPLICATIONS






SPECIFICATIONS
Parameter | Unit | Lark-355-3A | Lark-355-3ASE | Lark-355-5A | Lark-355-5ASE |
|---|---|---|---|---|---|
| Model | Lark-355-3A | Lark-355-3ASE | Lark-355-5A | Lark-355-5ASE | |
| Wavelength | nm | 355 | 355 | 355 | 355 |
| Average Power | W | >3W@40kHz | >3W@40kHz | >5W@50kHz | >5W@50kHz |
| Pulse Width | ns | <20ns@40kHz | <20ns@40kHz | <20ns@50kHz | <20ns@50kHz |
| Frequency Range | kHz | 20~200 | 20~200 | 20~200 | 20~200 |
| Spatial Mode | TEM₀₀ | TEM₀₀ | TEM₀₀ | TEM₀₀ | |
| M² | ≤1.2 | ≤1.2 | ≤1.2 | ≤1.2 | |
| Beam Circularity | >90% | >90% | >90% | >90% | |
| Beam Full Divergence Angle | mrad | <2 | <2 | <2 | <2 |
| Beam Diameter | mm | 0.45±0.15 | 0.45±0.15 | 0.5±0.15 | 0.5±0.15 |
| Polarization Ratio | >100:1 | >100:1 | >100:1 | >100:1 | |
| Polarization Orientation | Horizontal | Horizontal | Horizontal | Horizontal | |
| Average Power Stability | hr | RMS≤3%@24hr | RMS≤3%@24hr | RMS≤5%@24hr | RMS≤5%@24hr |
| Pulse-to-Pulse Stability | kHz | RMS≤3%@40kHz | RMS≤3%@40kHz | RMS≤3%@50kHz | RMS≤3%@50kHz |
| Operating Temp.&RH | °C | 0~40; <80% | 0~40; <80% | 0~40; <80% | 0~40; <80% |
| Storage Temp.&RH | °C | -15~50; <90% | -15~50; <90% | -15~50; <90% | -15~50; <90% |
| Cooling Method | Air Cooled | Air Cooled | Air Cooled | Air Cooled | |
| Electricity Requirement | V | 12 (DC) | 12 (DC) | 12 (DC) | 12 (DC) |
| Average Power Consumption | W | <180 | <180 | <200 | <200 |
| Dimensions (L×W×H) | mm | 272.5×144.6×121.1 | 272.5×144.6×124.7 | 307.5×144.6×121.2 | 272.5×144.6×124.7 |
| Laser Weight | kg | 6.2 | 5.6 | 6.5 | 5.6 |