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Laser Beam Attenuator, Ultrafast Version

Laser Beam Attenuator, Ultrafast Version

Clear aperture

15 mm

Bandwidth

Up to ±50 nm

Configuration

λ/2 Achromatic waveplate + 2x Broadband (Ultrafast) Thin Film polarizers

Attenuation range (Tmin-Tmax) @ CWL

4-96%, 0.1-70%

Typical applications

Ultrafast broadband laser sources with pulse length <100 fs

Damage threshold

>100 mJ/cm² @ 800 nm, 100 fs, 1 kHz

Dimensions (L x W x H)

167 x 72 x 78 mm

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The Ultrafast version of the attenuator is intended for laser pulses of <100 fs. It incorporates a rotating Achromatic λ/2 phase waveplate and two high-performance Broadband 72° Thin Film Polarizers that separate s-polarized and p-polarized beams in parallel directions. The polarizers are housed in a specially designed optomechanical holder mounted together with a precision kinematic adjustable waveplate holder. The intensity ratio of separated beams is continuously tuned by rotating the waveplate in the holder.

There are 2 standardized types of ultrafast attenuators – one for maximum transmitted energy and one for maximum beam attenuation.

Custom wavelengths are available upon request.

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.

Features

  • Easy operated manual design
  • Low dispersion optical design for ultrashort pulse high power laser applications
  • Two parallel p-pol and s-pol output beams
  • Interchangeable optics

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