Fibre Optic Rotary Joint Model 319


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The FO319 is a non-geared, singlemode, compact 2-channel fiber optic rotary joint (FORJ). It is a passive and bidirectional device which can be used as a standalone device or easily integrated into a rotary assembly, enabling transfer of high data rate optical signals across a rotating interface.


  • Provides rotary coupling for two singlemode fiber links
  • Passive bidirectional device
  • Alternative drive coupling and mounting arrangements are available (consult factory for specification details)
  • Stainless steel housing
  • Ruggedized design
    • MIL-STD-167-1 ship vibration
    • MIL-STD-810 functional shock (40g)
    • Operating temperature of –46°C to +71°C
  • Junction Box version available


  • Can easily be integrated with Focal standard Electrical Slip Rings, including Hazloc Slip Rings
  • Redundant channel for single channel applications
  • Two independent bi-directional fiber paths
  • Compact
  • Long life
  • No difference in the insertion loss or return loss of either channel


  • Remotely Operated Vehicle (ROV) and other marine equipment winches
  • Industrial automation
  • Video surveillance
  • Ground, air, and naval radar
  • Electro-optic (EO) pods
  • Turrets and rotating pedestals
  • High bandwidth cable reels

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