Senior sales engineer
Matas Plukys
Variable beam expanders VEX and reducers VRE
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Variable beam expanders VEX and reducers VRE

Main features

 

  • Highest beam pointing stability (<0,5 mrad)
  • Fused silica optical elements
  • Grease free mechanical design
  • Sliding lens design
  • Diffraction limited performance for all magnifications
  •  

    Application examples

     

  • Laser micromachining
  • Research
  • Request custom
    • Description
    • Video
    • Specifications
    • Downloads

    4Lasers introduces variable manual beam expanders VEX series used to increase or decrease the laser beam diameter. Standard or custom-made laser beam expanders for the UV, visible, and NIR spectral ranges feature a unique mechanical sliding-lens design, ensuring high pointing stability and minimal dimensions.

    These variable magnification (zoom) beam expanders are designed for the required wavelength and each type of our beam expanders 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 when using them with high power lasers. Large input and output apertures allow the optical beam expanders to produce diffraction-limited expanded (or reduced) beams for a wide range of input beams.

    Variable beam expanders and reducers specifications
    Adjustment Manual
    Divergence Adjustable
    Pointing stability <0,5 mrad, <1 mrad (VEX15-HP)
    Lens material UVFS
    Transmission >97%, >95% (VEX15-HP)
    LIDT 3 J/cm2 (10 ns @ 355nm)
    5 J/cm2 (10 ns @ 532 nm)
    10 J/cm2 (10 ns @ 1064 nm)
    Order your item
    Item model Expansion Design wavelength Clear input aperture Clear output aperture Recommended max input beam diameter (1/e2) Design Dimensions Mounting options SKU PRICE Download QUANTITY
    VEX18
    1.3x - 7.5x continuous
    257- 266 nm
    11,5 mm
    40 mm
    ⌀7 mm (1x) - ⌀5,3 mm (5x) - ⌀3,3 mm (8x)
    Standard
    ⌀53 x 203 mm
    SM2, ⌀50.8 mm [2’]
    18932
    1790 €
    VRE13
    0.33x - 1.0x continuous
    1030-1064 nm
    22 mm
    11 mm
    ⌀15 mm (0,33x) - ⌀7 mm (1x)
    Standard
    ⌀42 x 110 mm
    M30x1 external, SM1 internal, ⌀38.1 mm [1.5”], T-mount (M42x0.75)
    31295
    980 €
    VEX15-HP
    1.0x - 5.0x continuous
    1030-1064 nm
    11 mm
    24 mm
    ⌀7 mm (1x) - ⌀3,3 mm (5x)
    High power
    ⌀58 x 250 mm
    T-mount, SM2, ⌀50,8 mm [2”]
    31303
    2100 €
    VEX15-HP
    1.0x - 5.0x continuous
    515-532 nm
    11 mm
    24 mm
    ⌀7 mm (1x) - ⌀3,3 mm (5x)
    High power
    ⌀58 x 250 mm
    T-mount, SM2, ⌀50,8 mm [2”]
    31304
    2100 €
    VEX15-HP
    1.0x - 5.0x continuous
    343-355 nm
    11 mm
    24 mm
    ⌀7 mm (1x) - ⌀3,3 mm (5x)
    High power
    ⌀58 x 250 mm
    T-mount, SM2, ⌀50,8 mm [2”]
    31305
    2200 €
    VEX13
    1.0x - 3.0x continuous
    343-355 nm
    11 mm
    23,5 mm
    ⌀7 mm (1x) - ⌀5 mm (3x)
    Standard
    ⌀42 x 110 mm
    M30x1 external, SM1 internal, ⌀38.1 mm [1.5”], T-mount (M42x0.75)
    4357
    1180 €
    VEX18
    1.0x - 8.0x continuous
    343-355 nm
    11 mm
    40 mm
    ⌀7 mm (1x) - ⌀5,3 mm (5x) - ⌀3,3 mm (8x)
    Standard
    ⌀53 x 203 mm
    SM2, ⌀50.8 mm [2’]
    6455
    1390 €
    VEX18
    1.0x - 8.0x continuous
    515-532 + 343-355 nm
    11 mm
    40 mm
    ⌀7 mm (1x) - ⌀5,3 mm (5x) - ⌀3,3 mm (8x)
    Standard
    ⌀53 x 203 mm
    SM2, ⌀50.8 mm [2’]
    6456
    1390 €
    VEX18
    1.0x - 8.0x continuous
    515-532 nm
    11 mm
    40 mm
    ⌀7 mm (1x) - ⌀5,3 mm (5x) - ⌀3,3 mm (8x)
    Standard
    ⌀53 x 203 mm
    SM2, ⌀50.8 mm [2’]
    6725
    1190 €
    VEX13
    1.0x - 3.0x continuous
    1030-1064 nm
    11 mm
    23,5 mm
    ⌀7 mm (1x) - ⌀5 mm (3x)
    Standard
    ⌀42 x 110 mm
    M30x1 external, SM1 internal, ⌀38.1 mm [1.5”], T-mount (M42x0.75)
    6985
    980 €
    VEX13
    1.0x - 3.0x continuous
    515-532 nm
    11 mm
    23,5 mm
    ⌀7 mm (1x) - ⌀5 mm (3x)
    Standard
    ⌀42 x 110 mm
    M30x1 external, SM1 internal, ⌀38.1 mm [1.5”], T-mount (M42x0.75)
    6987
    980 €
    VEX13
    1.0x - 3.0x continuous
    1030-1064 + 515-532 nm
    11 mm
    23,5 mm
    ⌀7 mm (1x) - ⌀5 mm (3x)
    Standard
    ⌀42 x 110 mm
    M30x1 external, SM1 internal, ⌀38.1 mm [1.5”], T-mount (M42x0.75)
    6990
    1180 €
    VEX13
    1.0x - 3.0x continuous
    515-532 + 343-355 nm
    11 mm
    23,5 mm
    ⌀7 mm (1x) - ⌀5 mm (3x)
    Standard
    ⌀42 x 110 mm
    M30x1 external, SM1 internal, ⌀38.1 mm [1.5”], T-mount (M42x0.75)
    6991
    1180 €
    VEX18
    1.0x - 8.0x continuous
    1030-1064 nm
    11 mm
    40 mm
    ⌀7 mm (1x) - ⌀5,3 mm (5x) - ⌀3,3 mm (8x)
    Standard
    ⌀53 x 203 mm
    SM2, ⌀50.8 mm [2’]
    6992
    1190 €
    VEX18
    1.0x - 8.0x continuous
    1030-1064 + 515-532 nm
    11 mm
    40 mm
    ⌀7 mm (1x) - ⌀5,3 mm (5x) - ⌀3,3 mm (8x)
    Standard
    ⌀53 x 203 mm
    SM2, ⌀50.8 mm [2’]
    6994
    1390 €
    VRE13
    0.33x - 1.0x continuous
    515-532 nm
    22 mm
    11 mm
    ⌀15 mm (0,33x) - ⌀7 mm (1x)
    Standard
    ⌀42 x 110 mm
    M30x1 external, SM1 internal, ⌀38.1 mm [1.5”], T-mount (M42x0.75)
    6995
    980 €
    VRE13
    0.33x - 1.0x continuous
    343-355 nm
    22 mm
    11 mm
    ⌀15 mm (0,33x) - ⌀7 mm (1x)
    Standard
    ⌀42 x 110 mm
    M30x1 external, SM1 internal, ⌀38.1 mm [1.5”], T-mount (M42x0.75)
    6997
    1180 €
    VRE13
    0.33x - 1.0x continuous
    1030-1064 + 515-532 nm
    22 mm
    11 mm
    ⌀15 mm (0,33x) - ⌀7 mm (1x)
    Standard
    ⌀42 x 110 mm
    M30x1 external, SM1 internal, ⌀38.1 mm [1.5”], T-mount (M42x0.75)
    6999
    1180 €
    VRE13
    0.33x - 1.0x continuous
    515-532 + 343-355 nm
    22 mm
    11 mm
    ⌀15 mm (0,33x) - ⌀7 mm (1x)
    Standard
    ⌀42 x 110 mm
    M30x1 external, SM1 internal, ⌀38.1 mm [1.5”], T-mount (M42x0.75)
    7000
    1180 €
    VEX15-HP
    1.0x - 5.0x continuous
    1030-1064 + 515-532 nm
    11 mm
    24 mm
    ⌀7 mm (1x) - ⌀3,3 mm (5x)
    High power
    ⌀58 x 250 mm
    T-mount, SM2, ⌀50,8 mm [2”]
    9273
    2200 €