Eurys Series Broadband Rotators and Isolators

Broadband Rotators/Isolators

EOT manufactures broadband (Ti:Sapphire, centre wavelength 800nm) Faraday rotators and Faraday isolators with apertures of 5, 8 and 10mm.

Models with the letter R are Faraday rotators and do not include polarisers. Models with the letter I are isolators and polarisers are included.

Please note that the broadband Faraday isolators utilise a 45 degree crystal quartz rotator. At the center wavelength there will be >90 degree polarisation rotation in the forward direction. In the reverse direction, there will be near zero degree polarisation rotation across the entire bandwidth of the device.


  • Centre wavelength 800nm
  • Spectral range 720-950nm
  • Excellent isolation >30dB
  • Pulsed damage threshold 5J/cm² at 10ns for rotator
  • Pulsed damage threshold 1J/cm² at 10ns for isolator



This product could be used for the following applications:

  • Amplified spontaneous emission (ASE) elimination in laser systems
  • Frequency modulation elimination in lasers
  • Eliminating parasitic oscillations
  • Optical isolators
  • Laser cooling


This product is manufactured by Electro-Optics Technology Inc.

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