PI Output Isolator

PI Output Isolator

EOT's 400W PI fiber in/free space isolator features a short optical path, 6mm clear apertures and central operating wavelengths of 1065nm.

These fiber in/free space isolators feature EOT's patented high power fiber collimator technology and enable high power performance from PI fiber lasers and minimize thermal lensing for powers up to 400W. They can be used with any SMF or MMF fiber with a cladding diameter of <250µm.

Optional water cooled beam dumps are available.


  • Up to 400W power levels
  • 1030-1090nm available on request
  • Use SMF/MMF fiber cladding diam <250µm
  • Short optical path length
  • 6mm diameter beam
  • No Stray beams



This product could be used for the following applications:

  • ASE elimination in laser systems
  • Frequency modulation elimination in lasers
  • Eliminating parasitic oscillations
  • Laser cooling
  • Optical Isolators


This product is manufactured by Electro-Optics Technology Inc.

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