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PowerXP Maxi Cube Type Motorized Attenuator

PowerXP Maxi Cube Type Motorized Attenuator

Clear aperture

Ø18 mm

Recommended maximum input beam diameter at 1/e2

Ø12 mm

Bandwidth

±5 nm, up to ±10 on request

Optimization

Transmission (T) and Reflection (R)

Configuration

λ/2 Air-spaced or Optically Bonded waveplate + Optically bonded PBS cube

Attenuation range @ CWL

From <0.3% to 97% in transmission mode

Typical applications

High power pulsed and CW lasers

Damage threshold

Up to >10 J/cm² @ 1064 nm, 10 ns, 10 Hz

Dimensions (H x L x W)

56 x 82 x 90 mm

Resolution

<7 arcsec/step

Time between min and max attenuation

<0.2 sec

Steps between min and max attenuation

24000

Maximum power transmission

Tmax >97% at p-pol output (T); Tmax >99% at s-pol output (R)

Maximum power blocking

Tmin<0.3% at p-pol output (T); Tmin<3% at s-pol output (R)

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Typical Items for PowerXP Maxi Motorized Attenuator, Cube version

Wavelength, nm Bandwidth, nm Configuration Attenuation range at p-pol output (Tmin-Tmax) @ CWL Attenuation range at s-pol output (Tmin-Tmax) @ CWL Product ID Drawings
355 ±5 λ/2 Optically bonded waveplate
+ Optically bonded PBS cube
0.3-96% 4-99% PXP-18-C-0355
515 ±5 λ/2 Air-spaced waveplate
+ Optically bonded PBS cube
0.3-97% 3-99% PXP-18-C-0515
532 ±5 λ/2 Air-spaced waveplate
+ Optically bonded PBS cube
0.3-97% 3-99% PXP-18-C-0532
1030 ±5 λ/2 Air-spaced waveplate
+ Optically bonded PBS cube
0.3-97% 3-99% PXP-18-C-1030
1064 ±5 λ/2 Air-spaced waveplate
+ Optically bonded PBS cube
0.3-97% 3-99% PXP-18-C-1064

Altechna offers four types of laser beam intensity attenuators for high energy applications:

  • CA 8 mm   – Compact version
  • CA 18 mm – Maxi Reflection/Transmission version
  • CA 18 mm – Maxi Cube version
  • CA 18 mm – Maxi Transmission Collinear version

PowerXP attenuators are the evolution of well known time-tested and industry-adopted Altechna Watt Pilot attenuators. New generation PXP units have upgraded belt-driven rotator mechanism for quick and precise laser beam intensity control and also brand new electronics and control driver for more connectivity options and reliable long-distance communication.

PowerXP motorized attenuators are a reliable solution for industrial applications. Each attenuator includes motorized rotating quartz λ/2 phase waveplate, optically aligned to a single/dual thin film polarizers or polarizing beamsplitting cube which separates the input beam into individual s-polarized and p-polarized parallel or perpendicular output beams.

Special PowerXP Transmission Collinear version includes an additional uncoated UVFS window positioned at Brewster angle after the polarizer to compensate the lateral beam shift caused by polarizing plate and guarantees less than 100 μm radial beam displacement between input and output laser beam for ultra-precise applications.

The intensity ratio of separated beams is continuously tuned by rotating the waveplate. S-polarized beam output can be used for high purity s-polarized beam requiring applications and p-polarized beam output for power control and attenuation applications.

High energy applications compatible optics, fast rotation speed of PowerXP Maxi version, compensated beam displacement output of Maxi Collinear version, convenient polarization separation angle of Maxi Cube version and small footprint of Compact version makes PowerXP motorized attenuators a go-to solution for power control, attenuation, and beam-splitting in demanding laser processing applications.


Features

  • User-friendly software interface, USB, RS232, Ethernet connection
  • Divides laser beam into two s-pol and p-pol beams of the adjustable intensity ratio
  • Low dispersion optics for ultrashort and high energy laser pulses
  • Ideal for integration into other systems
  • Time between min and max attenuation less than 0.2 sec

 

*Attenuation range for transmission/collinear version:

  • Tmax (when open): >95%; Tmin (when closed): <0.5%

*Attenuation range for reflection version:

  • Tmax (when open): >95%; Tmin (when closed): <0.5% (P-pol output)
  • Tmax (when open): >99%; Tmin (when closed): <0.3% (S-pol output)

*Attenuation range for cube version:

  • Tmax (when open): >97%, Tmin (when closed): <0.3% (P-pol output)
  • Tmax (when open): >99%, Tmin (when closed): <3% (S-pol output)

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