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PowerXP Maxi Collinear Type Motorized Attenuator

One powerXP maxi collinear type motorized attenuator in gray casing made by Altechna

PowerXP Maxi Collinear Type Motorized Attenuator

Clear aperture

Ø18 mm

Recommended maximum input beam diameter at 1/e²

Ø12 mm

Bandwidth

Up to ±5 nm,
up to ±10
on request

Optimization

Transmission

Configuration

λ/2 Air-spaced or
High Energy Optically Bonded waveplate + TFP and Compensating Window

Attenuation range (Tmin-Tmax) @ CWL

Up to 0.5-95%

Typical applications

High power CW
and pulsed lasers

Damage threshold

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

Dimensions (H x L x W)

56 x 144 x 90 mm

Time between min and max attenuation

<0.2 sec

Steps between min and max attenuation

24000

Resolution

<7 arcsec/step

Attenuation range for transmission type

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

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

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, and 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

 

Feel free to reach out to us for more information or any inquiries you may have at: [email protected]. We’re here to assist you!

 

*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)

Typical Items for PowerXP Maxi Collinear Type Motorized Attenuators

Wavelength, nm Configuration Optimization Attenuation range at p-pol output
(Tmin-Tmax) @ CWL
Product ID Drawings
343 λ/2 Optically bonded waveplate + TFP + compensating window Transmission 0.5-95% PXP-18-CL-0343
355 λ/2 Optically bonded waveplate + TFP + compensating window Transmission 0.5-95% PXP-18-CL-0355
515 λ/2 Air-spaced + TFP + compensating window Transmission 0.5-95% PXP-18-CL-0515
532 λ/2 Air-spaced + TFP + compensating window Transmission 0.5-95% PXP-18-CL-0532
1030 λ/2 Air-spaced + TFP + compensating window Transmission 0.5-95% PXP-18-CL-1030
1064 λ/2 Air-spaced + TFP + compensating window Transmission 0.5-95% PXP-18-CL-1064
Model comparison
COMPACT MAXI TRANSMISSION MAXI COLLINEAR MAXI REFLECTION MAXI CUBE
Optimization type Transmission Transmission (T model) Transmission (CL model) Reflection (R model) Transmission and Reflection
Clear aperture, mm Ø8 Ø18 Ø18 Ø18 Ø18
Recommended maximum input beam diameter at 1/e², mm Ø5 Ø12 Ø12 Ø12 Ø12
Damage threshold @ 1064 nm, 10 ns, 10 Hz Up to 20 J/cm² Up to 10 J/cm² Up to 10 J/cm² Up to 10 J/cm² Up to 10 J/cm²
Dimensions H x L x W, mm 35 x 55 x 60 56 x 99 x 90 56 x 144 x 90 56 x 99 x 90 56 x 82 x 90
Time between min and max attenuation <0.2 sec <0.2 sec <0.2 sec <0.2 sec <0.2 sec
Steps between min and max attenuation 14400 24000 24000 24000 24000
Resolution <11.25 arcsec/step <7 arcsec/step <7 arcsec/step <7 arcsec/step <7 arcsec/step
Maximum power transmission Tmax >99% at p-pol output Tmax >95% at p-pol output Tmax >95% at p-pol output Tmax >99% at s-pol output Tmax >97% at p-pol output Tmax >99% at s-pol output
Maximum power blocking Tmin <0.1% at p-pol output Tmin <0.5% at p-pol output Tmin <0.5% at p-pol output Tmin <0.3% at s-pol output Tmin<0.3% at p-pol output Tmin<3% at s-pol output
*Optional attenuation range Tmax >99.7%, Tmin<4% at s-pol beam dump output Tmax >99.5%, Tmin<5% at s-pol beam dump output Tmax >99.5%, Tmin<5% at s-pol beam dump output Tmax >95%, Tmin<0.5% at p-pol output

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