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Watt Pilot – Motorized Attenuator, Enhanced Version

Watt Pilot – Motorized Attenuator, Enhanced Version

Clear aperture

15 mm

Bandwidth

Up to ±10 nm

Optimization

Reflection or transmission type

Configuration

λ/2 ZO waveplate + 1x or 2x Thin Film polarizers

Attenuation range (Tmin-Tmax) @ CWL

Up to 0.3-99%*

Typical applications

High power CW and pulsed lasers, LDs

Damage threshold

>5 J/cm² @ 1064 nm, 10 ns, 10 Hz; >10 J/cm² @ 1064 nm, 10 ns, 10 Hz on request

Dimensions (L x W x H)

108 x 91 x 63 mm – reflection mode / 105 x 91 x 63 mm – transmission mode

Time between min and max attenuation

<3 sec

Steps between min and max attenuation

3900

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The Enhanced Watt Pilot incorporates a motor-driven rotating quartz λ/2 phase waveplate and one or two Thin Film polarizers that separate s-polarized and p-polarized beams in parallel directions. 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 Watt Pilot is essential in systems in which stable adjustments to laser power are necessary. Despite the stand-alone device look, the motorized attenuator is compact and can be easily integrated into custom optical systems.

Custom wavelengths are available upon request.

 

Features

  • Fast open-close time
  • Ideal for femtosecond and high power laser applications
  • Two parallel p-pol and s-pol output beams
  • Interchangeable optics
  • PC control software included

 

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.

Power Throughput in Transmission type
P-pol output aperture S-pol output aperture*
P-pol fully open >95% <5%
S-pol fully open <0.5% >99.5% *Beam dump
Power Throughput in Reflection type
P-pol output aperture S-pol output aperture
P-pol fully open >95% <0.3%
S-pol fully open <0.5% >99%

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