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Sales engineer
Matas Plukys
Fixed ratio laser beam expanders (FEX)
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Fixed ratio laser beam expanders (FEX)

Main features

 

  • Divergence adjustment
  • Suitable with high power lasers
  • Wide wavelength adoption 240 nm - 2 µm
  • No ghost reflections
  • Custom and OEM design
  •  

    Application examples

     

  • Laser materials processing
  • Medical
  • Research
  • Request custom
    • Description
    • Specifications
    • Downloads

    4Lasers introduces Fixed ratio beam expanders FEX series used to increase laser beam diameter. The FEX model diversity cover the UV, visible and NIR spectral ranges.

    These compact beam expanders are designed for required wavelength and have divergence adjustability.

    All optical elements of beam expanders are made of fused silica with high LIDT coatings and provide stable and reliable performance even using them with high power lasers.

    Fixed ratio laser beam expander (FEX) series specifications
    Clear output aperture 23 mm
    Divergence Adjustable
    Diameter 30 mm
    Order your item
    Item model Design wavelength Magnification factor Clear input aperture LIDT (coating) Mechanical length SKU price quantity
    FEX-2x
    343 nm
    x2
    11,5 mm
    3 J/cm2 (10 ns @ 355nm)
    65 mm
    7723
    199 €
    FEX-2x
    355 nm
    x2
    11,5 mm
    3 J/cm2 (10 ns @ 355nm)
    65 mm
    7724
    199 €
    FEX-2x
    515 nm
    x2
    11,5 mm
    5 J/cm2 (10 ns @ 532 nm)
    65 mm
    7725
    189 €
    FEX-2x
    532 nm
    x2
    11,5 mm
    5 J/cm2 (10 ns @ 532 nm)
    65 mm
    7726
    189 €
    FEX-2x
    1030 nm
    x2
    11,5 mm
    10 J/cm2 (10 ns @ 1064 nm)
    65 mm
    7727
    189 €
    FEX-2x
    1064 nm
    x2
    11,5 mm
    10 J/cm2 (10 ns @ 1064 nm)
    65 mm
    7728
    189 €
    FEX-3x
    1064 nm
    x3
    11,5 mm
    10 J/cm2 (10 ns @ 1064 nm)
    65 mm
    7729
    189 €
    FEX-3x
    1030 nm
    x3
    11,5 mm
    10 J/cm2 (10 ns @ 1064 nm)
    65 mm
    7730
    189 €
    FEX-3x
    532 nm
    x3
    11,5 mm
    5 J/cm2 (10 ns @ 532 nm)
    65 mm
    7731
    189 €
    FEX-3x
    515 nm
    x3
    11,5 mm
    5 J/cm2 (10 ns @ 532 nm)
    65 mm
    7732
    189 €
    FEX-3x
    355 nm
    x3
    11,5 mm
    3 J/cm2 (10 ns @ 355nm)
    65 mm
    7733
    199 €
    FEX-3x
    343 nm
    x3
    11,5 mm
    3 J/cm2 (10 ns @ 355nm)
    65 mm
    7734
    199 €
    FEX-4x
    343 nm
    x4
    11,5 mm
    3 J/cm2 (10 ns @ 355nm)
    90 mm
    7735
    199 €
    FEX-4x
    355 nm
    x4
    11,5 mm
    3 J/cm2 (10 ns @ 355nm)
    90 mm
    7736
    199 €
    FEX-4x
    515 nm
    x4
    11,5 mm
    5 J/cm2 (10 ns @ 532 nm)
    90 mm
    7737
    189 €
    FEX-4x
    532 nm
    x4
    11,5 mm
    5 J/cm2 (10 ns @ 532 nm)
    90 mm
    7738
    189 €
    FEX-4x
    1030 nm
    x4
    11,5 mm
    10 J/cm2 (10 ns @ 1064 nm)
    90 mm
    7739
    189 €
    FEX-4x
    1064 nm
    x4
    11,5 mm
    10 J/cm2 (10 ns @ 1064 nm)
    90 mm
    7740
    189 €
    FEX-5x
    343 nm
    x5
    11,5 mm
    3 J/cm2 (10 ns @ 355nm)
    95 mm
    7741
    189 €
    FEX-5x
    355 nm
    x5
    11,5 mm
    3 J/cm2 (10 ns @ 355nm)
    95 mm
    7742
    189 €