ALV 300F
A compact German-made laser welding system supporting Nd:YAG and fiber laser configurations, pulsed and CW operation, and flexible welding spot sizes.

- 120–300 W Average power
- 3–9 kW Peak pulse power
- Nd & fiber Laser options
- Pulsed / CW Operating modes
Product description
The Alpha Laser ALV 300F is a compact laser welding system designed for precision welding with both Nd:YAG and fiber laser configurations. Depending on the laser source, it offers average power from 120–300 W, peak pulse power from 3–9 kW and pulse energy from 30–75 J. The system supports pulsed and continuous-wave operation, with flexible welding spot sizes, selectable focal distances and adjustable pulse shaping for controlled laser processing.
Features
Nd:YAG and Fiber Laser Options
The ALV 300F supports Nd:YAG at 1064 nm and fiber laser configurations at 1070 nm.
120–300 W Average Power
The system provides average power from 120–300 W depending on the selected laser configuration.
Up to 9 kW Peak Pulse Power
Peak pulse power ranges from 3–9 kW across the available configurations.
Pulsed and CW Operation
The system supports pulsed operation and continuous-wave operation for flexible laser welding applications.
Flexible Welding Spot Sizes
Welding spot sizes range from Ø0.2–2.0 mm for Nd:YAG configurations and Ø0.2–3.0 mm for fiber configurations, with optional 0.1–4.0 mm sizing.
Adjustable Pulse Shaping
The power curve within a laser pulse can be adjusted to provide control over the welding process.
Selectable Focal Distance
The system offers focal distances of 120 mm and 150 mm according to the selected configuration.
3.5 m Energy Chain Length
A 3.5 m energy chain provides the specified length for routing system connections within the machine setup.
ALV 300F specification
| Specification | Details |
|---|---|
| Model | ALV 300F |
| Laser Type / Wavelength | Nd:YAG, 1064 nm / Fiber laser, 1070 nm |
| Average Power | 120–300 W |
| Peak Pulse Power | 9–3 kW |
| Pulse Energy | 75–30 J |
| Pulse Duration, Nd:YAG | 0.5–20 ms |
| Pulse Duration, Fiber Laser | 0.2 ms–CW / 0.2–50 ms or CW |
| Pulse Frequency | Single pulse–50 Hz / 100 Hz |
| Operating Modes | Pulsed / CW |
| Welding Spot | Ø0.2–2.0 mm / Ø0.2–3.0 mm; optional 0.1–4.0 mm |
| Focal Distance | 120 mm / 150 mm |
| Pulse Shaping | Adjustable power curve within a laser pulse |
| Energy Chain Length | 3.5 m |
Maintenance & care
Follow the manufacturer's recommended maintenance schedule for the ALV 300F and its selected laser configuration. Keep optical components, focusing objectives, the work area and machine surfaces clean. Regularly inspect associated systems and carry out servicing according to the manufacturer's recommendations.
May we help?
- What laser configurations are available on the ALV 300F?
- The ALV 300F supports Nd:YAG laser technology at 1064 nm and fiber laser technology at 1070 nm.
- Does the ALV 300F support continuous-wave operation?
- Yes. The ALV 300F supports both pulsed and continuous-wave operation, depending on the selected laser configuration.
- What welding spot sizes are available on the ALV 300F?
- The welding spot ranges from Ø0.2–2.0 mm for Nd:YAG configurations and Ø0.2–3.0 mm for fiber configurations, with an optional 0.1–4.0 mm range.