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OptomechanicsLaser Attenuators

PowerXP Compact Motorized Attenuator

OptomechanicsLaser Attenuators

PowerXP Compact Motorized Attenuator

Clear aperture

Ø8 mm

Recommended maximum input beam diameter at 1/e2

Ø5 mm

Optimization

Transmission type

Configuration

λ/2 Optically bonded waveplate + IBS technology High Contrast Thin Film polarizer

Attenuation range (Tmin-Tmax) @ CWL

<0.1% to >99%

Typical applications

High power pulsed
and CW lasers

Damage threshold

Up to >20 J/cm² @ 1064 nm, 10 ns, 10 Hz

Dimensions (H x L x W)

35 x 55 x 60 mm

Time between min and max attenuation

<0.2 sec

Steps between min and max attenuation

14400

Resolution

<11.25 arcsec/step

Laser Power Control Units User Manual Examples, Documentation and Libraries Software v1.4.9 Model Comparison

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PowerXP Compact Motorized Attenuator

The PowerXP Compact motorized attenuator is a smaller, faster, and higher-performance version of the renowned Watt Pilot motorized attenuator. This device attenuates free-space laser beams (or pulses) continuously without introducing additional energy fluctuations. A contrast of better than 1000:1 (Tp:Ts) is achieved by using IBS technology coated High Contrast Thin Film Polarizer.

With an upgraded belt drive and electronics for quick and precise power control, it is a go-to solution for industrial applications. A motorized rotating quartz λ/2 phase waveplate and High Contrast Thin Film Polarizer separate the input beam into s-polarized and p-polarized output beams.

Pure p-polarization should be selected for maximum transmission and pure s-polarization for maximum attenuation. The intensity ratio of separated beams is continuously tuned by rotating the waveplate.

The PowerXP is essential in systems for which stable adjustments of laser power are necessary. A compact version of the attenuator can be easily integrated into custom optical systems.

Custom wavelengths are available upon request.

Features

  • Very fast open-close time
  • Small footprint
  • Ideal for low dispersion femtosecond and high power laser applications
  • High Energy Optically Bonded waveplate and IBS coated High Contrast Thin Film polarizer optical design
  • Interchangeable optics
  • Stand-alone user-friendly interface controller with PC control software included
  • User-friendly software interface, USB, RS232, Ethernet connection

 

Contact us and we will find a solution for your beam attenuation, power control, beam splitting needs. We can also recommend compatible optical components for your beam delivery applications.

Typical Items for PowerXP Compact Motorized Attenuator

Wavelength, nm Configuration Optimization Attenuation range at p-pol output (Tmin-Tmax) @ CWL Product ID Drawings
343 λ/2 Optically bonded waveplate + HCTFP Transmission 0.3-96% PXP-08-0343
PDF STEP
355 λ/2 Optically bonded waveplate + HCTFP Transmission 0.3-96% PXP-08-0355
PDF STEP
515 λ/2 Optically bonded waveplate + HCTFP Transmission 0.1-99% PXP-08-0515
PDF STEP
532 λ/2 Optically bonded waveplate + HCTFP Transmission 0.1-99% PXP-08-0532
PDF STEP
1030 λ/2 Optically bonded waveplate + HCTFP Transmission 0.1-99% PXP-08-1030
PDF STEP
1064 λ/2 Optically bonded waveplate + HCTFP Transmission 0.1-99% PXP-08-1064
PDF STEP
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
*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

Related products

High Energy Waveplates
High Contrast Brewster Type Thin Film Polarizers

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