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Multielement Optical Assembly

Ultrafast variable attenuators

Key Features

  • Several predesigned solutions
  • Negligible dispersion over entire working range
  • Adjustable intensity of parallel S- and P- output ports
  • High optical damage threshold


Newport offers several predesigned solutions for attenuation and manipulation of ultrafast laser pulses. Manual and computer controlled variable attenuators can be easily used to control the laser output power of the ultrafast lasers.

Newport's VA series of variable attenuators are composed of specially designed thin film polarizers, zero-order achromatic waveplates and high-precision opto-mechanics, all incorporated into shuttered housings. The design is compact, robust and easy to use. Ideal for attenuating high energy or ultrafast amplified pulses at fixed wavelengths.


Attenuation and manipulation of ultrafast laser pulses