12-15kW High-Power Fiber Lasers


The all-new nLIGHT® CFL-15000 is the highest power fiber laser available in this form factor, allowing for better utilization of your shop floor. Compact and versatile, this laser was designed with trusted and durable components for high operating efficiency in a wide range of materials processing applications.

Based on nearly two decades of high-power laser innovation, this fiber laser features the latest in optical technology, allowing for exceptional, consistent part quality and increasing the capability of different metals and thicknesses that can be cut by the job shop.


12-15kW: Delivers excellent productivity for more parts per day and increased profits.

Back Reflection Protection: Hardware-based protection provides uninterrupted failsafe processing of reflective metals with no damage to the laser.

Unparalleled Serviceability: Modular design simplifies repairs maximizing uptime.

Designed for Rugged Durability: Ensures continuous operation in harsh manufacturing environments.

Advanced Electronics Design: Provides faster piercing and processing of fine features with smaller heat-affected zones.

Multiple Fiber Options: Choice of 100 – 200 µm fiber enables a diverse range of applications.


Mode of Operation: CW/Modulated

Polarization: Random

Maximum Average Power, CW: 12 kW (CFL-12000), 15 kW (CFL-15000)

Power Tunability: 5 – 100 %

Power Variation, 8-Hour: ≤ 1 %

Modulation Frequency: ≤ 20 kHz

Rise and Fall Times: ≤ 10 μs

Beam Quality: 100-μm fiber ≤ 5mm-mrad,  200-μm fiber ≤ 11.0mm-mrade

Wavelength: 1070 ± 10 nm