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Matas Plukys
Motorized laser power attenuators LPA
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Motorized laser power attenuators LPA

Main features

 

  • Robust design
  • Damage threshold up to 10 J/cm2 (10 ns @ 1064 nm)
  • Adjustable polarizer angle ±2 deg
  • Clear aperture 18 mm
  • External controller included
  • Intuitive software
  • 175,543 steps in full rotation
  • ± 0,05 % laser power accuracy
  • Adjustment time <0,2 sec (min to max)

     

    Application examples

     

  • Laser machining
  • Research
  • Laser power control and attenuation
Request custom
  • Description
  • Video
  • Standard specifications
  • Downloads
  • Additional accessories

4Lasers designs and manufactures motorized laser power attenuators for laser power control. LPA could be produced for use in the UV, visible, and NIR spectral ranges from 250 nm to 2000 nm. These devices feature a large clear aperture dedicated for considerable beam application.

All-optical elements of these laser power attenuators are made for high LIDT and provide a stable and reliable performance even when using them with high power lasers in industrial applications.

The secondary laser beam from the laser power attenuator unit is rejected out through the output window to an external beam dump (optional) in order to avoid any thermal effects or stress in the housing of the LPA device. An exit laser beam has a 2,25 mm beam offset.

What’s in the box?

 

  • Motorised laser power attenuator
  • Controller
  • Software
  • Power supply DC 12V
  • USB (1.5 m) cable
  •  

    Available accessories

     

  • Attachable beam dump <6W with coated protective window
  • Separated beam dump <30W
  • RS232 cables: 1,8 m, 5 m, 10 m, 15m
  • DIN35 rail adapter
  •  

    Motorized laser power attenuator specifications
    OPTICAL Clear input aperture ⌀18 mm
    Clear output aperture ⌀18 mm
    Optical configuration λ/2 ZO Waveplate + High contrast brewster type thin film polarizer
    Power attenuation range 0,1 - 98%
    LIDT coating >10 [J/cm2] (10 ns @ 1064 nm)
    Close to open time < 0,2 sec
    Resolution 175,543 μsteps in full rotation (0,002 deg, 7,4 arcsec, 0,035 mrad)
    Repeatability (after 10,000 positions without homing) ±10 μsteps (± 0,02 deg, less than ± 0,05 %)
    Available coatings
    1064 nm, 1030 nm, 532 nm, 515nm, 355 nm, 343 nm, custom
    Bandwidth
    5-10 nm
    CONTRAST 1030/1064 nm
    1:1000
    515/532 nm
    1:1000
    334/355 nm
    1:500
    257/266nm
    1:200
    MECHANICAL LPA mechanical dimensions 76 x 36 x 58 mm
    LPA with beam dump mechanical dimensions 76 x 52 x 58 mm
    Controller mechanical dimensions 125 x 53 x 31 mm
    ELECTRONIC Communication Using ASCII commands described in manual
    Cable length from LPA to the controller 1,5 m
    Software interface LPA software
    Input voltage DC 12 V
    Control interface USB, RS232, Ethernet
    CONDITIONS Operating temperature, Celsius 10 to 40
    Mounting holes M6 on both sides, M4 on the bottom side
    Beam Dump Dissipation Power (avg) at room temperature <6W
    Housing material
    Anodized aluminum
    Available control cables compatable with LPA devices
    CABLE TYPE CABLE LENGTH SKU PRICE
    RS232 1,8 m 12890 10 €
    RS232 5 m 12891 15 €
    RS232 10 m 12892 22 €
    USB 3 m 13345 12 €
    Available beam dumps compatable with LPA devices
    MODEL TYPE MAX POWER SKU PRICE
    BD-LPA attachable, with protective AR window <6W 9345 115 €
    Order your item
    Item model Design wavelength Attenuation range LIDT SKU price Downloads quantity
    LPA
    1064 nm
    0,1 - 98 %
    10 J/cm2 (10 ns @ 1064 nm)
    9258
    1280 €
    LPA
    1030 nm
    0,1 - 98 %
    10 J/cm2 (10 ns @ 1064 nm)
    9259
    1280 €
    LPA
    532 nm
    0,1 - 98 %
    5 J/cm2 (10 ns @ 532 nm)
    9260
    1280 €
    LPA
    515 nm
    0,1 - 98 %
    5 J/cm2 (10 ns @ 532 nm)
    9262
    1280 €
    LPA
    355 nm
    0,2 - 96 %
    3 J/cm2 (10 ns @ 355 nm)
    9263
    1390 €
    LPA
    343 nm
    0,2 - 96 %
    3 J/cm2 (10 ns @ 355nm)
    9264
    1390 €
    LPA
    257 nm
    0,5 - 95%
    2 J/cm2 (10 ns @ 266 nm)
    9326
    1520 €
    LPA
    266 nm
    0,5 - 95%
    2 J/cm2 (10 ns @ 266 nm)
    9327
    1520 €