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The FL4000CSM-ARM from Coherent is a Fiber Laser that operates at 1070 nm. It delivers an output power of 4000 watts (1.5 kW center + 2.5 kW ring) with a power stability of ± 1%. The device features industry-leading closed-loop power control for high process consistency and has an optimized power profile programming tool for welding processes. It delivers superior results in a variety of challenging welding tasks. Its Adjustable Ring Mode (ARM) refers to the unique output beam from this laser, which consists of two independently controllable, co-axial beams from a single delivery fiber.

The fiber center core has a nominal diameter of 22 µm (with 15 m fiber length) producing a smaller spot size as compared to its multi-mode counterpart. This laser extends the welding application areas over the standard single-mode fiber lasers, enabling it to weld “challenging” materials that were difficult or impossible to process in the past. These include thin (some tenths of an mm) substrates which do not tolerate high total heat input (e.g. foil to tab welding), and mixed materials having significantly different thicknesses and melting points.

This fiber laser operates using AC supply voltages of 400/440/480 V and consumes up to 18 A of current. It is available in a rack-mount unit that measures 794 x 916 x 824 mm with a fiber diameter of 22 µm and a fiber length of 15 m. It is ideal for welding of dissimilar materials such as copper and aluminum, welding of foil stacks with precise control, and for cutting applications.

 Product Specifications

    Product Details

    • Part Number :
    • Manufacturer :
      Coherent Inc.
    • Description :
      Superior Brightness Center Beam and Adjustable Ring Mode Fiber Laser

    General Parameters

    • Configuration :
      Laser Head with Control Unit (Integrated)
    • Type :
      Laser System
    • Operation Mode :
      CW/Pulsed Laser
    • Wavelength :
      1060 to 1080 nm
    • Fiber Coupled :
    • Mode :
      Multi Mode
    • Power :
      0 to 4 kW
    • Application :
      Welding, Cutting
    • Rise/Fall Time :
      < 30 µs
    • Application Industry :
      Industrial (Material Processing)
    • Current :
      18 A
    • Power Stability :
      +/- 1 %
    • Peak Power :
      12.5 kW
    • Interface :
    • Power Supply :
      400/440/480 VAC +/- 10%

    Physical Properties

    • Dimension :
      794 x 916 x 824 mm(Midi)
    • Fiber diameter :
      22 µm
    • Fiber length :
      15 m

    Environmental Conditions

    • Operating Temperature :
      5 to 40 Degree

    Technical Documents

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