FOSE – Fiber-Optic Sagnac Ellipsometer

Based on fiber-optic Sagnac interferometer, in-line ellipsometer for determination SOP in optical fiber – Polish Patent PL177396B1.
Main parameter:
  • measured time: 10 – 100 ms 
  • ellipticity accuracy – 0.1 deg
  • azimuth accuracy – 0.03 deg
  • stability – 0.5 deg
Authors: L.R. Jaroszewicz, A. Kieżun, R. Świłło
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