Quality, precision and productivity in your workshop

The CFLS-4000 is a more compact medium-power CW fiber laser featuring an outstanding long-term stability at high-power and delivering excellent performances for cutting and welding applications. Its excellent back-reflection protection enables the safe processing of highly reflective material without any interruptions. This 4 kW fiber laser also has top beam quality and a high modulation rate that allow fast sheet metal processing with a thickness up to 1/2 inch. It is certain to increase productivity for your shop floor operations

Features & Benefits
  • Unique combination of innovative optical fibers and advanced laser technologies guarantee longterm stability
  • High reliability – enables continuous cutting operations
  • Excellent beam quality
  • Outstanding back-reflection protection – safe processing of highly reflective materials
  • High modulation rate – ensures fast piercing time for efficient metal processing
  • 35% wall-plug efficiency – reduces the overall electrical power consumption
  • Industrial-grade quality – durability in harsh manufacturing environments
  • Easy-to-use, Plug & Play design
  • Maintenance-free
  • Remote diagnostic software for fast support
  • Water-cooled chiller also available
  • 3-year warranty
  • Laser cutting
  • Laser welding
Mode of Operation
Operating Wavelength (nm)
1080 ± 5
Nominal Output Power (W)
Power Stability (%)
± 1
Output Power Tuning Range (%)
10 - 100
Modulation Frequency (kHz)
0 - 50
Pulse rise/fall time (µs)
15 max.
Output Fiber Core Diameter (µm) *
Beam Quality BPP (mm x mrad)
1.5 – 1.2 for 50 μm / ≤ 4.0 for 100 μm
Operating Voltage (VAC)
330 - 430, 3P
Operating Frequency (Hz)
Power Consumption (W)
Mechanical & Environmental
Dimensions (WxDxH mm)
1098 x 1090 x 1168
Output Fiber Length (m)
Cooling Method
Water cooled
* Other options may be available upon request

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