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The nLIGHT® SFX series provides a tunable beam profile and divergence characteristics optimized for remote welding with galvo scanner systems. Versatile and dependable, this laser was designed for high-productivity welding solutions in the battery and electric vehicle markets. The beam profile consists of a central core and surrounding ring with tunable power in each region. Like all nLIGHT fiber lasers, the SFX series offers hardware-based back-reflection protection to enable uninterrupted processing of highly reflective materials as well as the industry’s highest power tunability, stability, and modulation frequency. Building on two decades of high-power laser innovation and nLIGHT’s pioneering Corona ® all-fiber beam shaping platform, the SFX series fiber laser architecture features nLIGHT’s industry-leading components with performance and reliability that enable exceptional processing range and consistent weld quality.
nLIGHT Industrial Fiber Lasers – Products
Advanced Metal Processing
High Power Fiber lasers with Programmable beam
Technology
The Corona fiber laser output beam is continuously tunable between ~100 and
~300 μm. To facilitate process optimization, a fixed number of settings (“Index” values)
are provided. For example, Fig.1 below shows the output beam diameters,
BPP values, and beam shapes of a Corona fiber laser with six Index settings.
| Models | SFX-4000 | SFX-6000 | SFX-8000 | SFX-10000 | SFX-15000 |
|---|---|---|---|---|---|
| Optical Specifications | |||||
| Mode of Operation | CW/Modulated | ||||
| Polarization | Random | ||||
| Combined Power | 4 to 15 kW | ||||
| Core Power Configurations | Up to 5 kW | ||||
| Ring Power Configurations | Up to 10 kW | ||||
| Power Tunability | 5 to 100% | ||||
| Power Variation, 8-Hour | ≤ 0.5% | ||||
| Modulation Frequency | ≤ 100 kHz | ||||
| Rise / Fall Times | ≤ 5 µs | ||||
| Beam Quality | 50 µm core, 1.6 mm-mrad typical; 180 µm ring, 6.8 mm-mrad typical | ||||
| Wavelength | 1070 ± 10 nm | ||||
| Electrical Specifications | |||||
| Supply Voltage | 400 to 480 VAC 3P+PE, 50/60 Hz | ||||
| Standard Control Interfaces | External hardware control, analog power control, analog monitors, GUI | ||||
| Optional Control Interfaces | EtherCAT, EtherNet/IP, DeviceNet, Profinet, Profibus | ||||
| Mechanical Specifications | |||||
| Dimensions (W x D x H) | 1020 x 805 x 750 mm | ||||
| Optical Fiber | 10, 20, 30 m, QBH or QD connector | ||||
| Cooling Method | Water | ||||
| Environmental Specifications | |||||
| Operating Temperature | 10 to 40°C | ||||
| Storage Temperature | -10 to 60°C | ||||
| Relative Humidity | 10 to 80% | ||||
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