Fiber Optic Rotary Joints

Fiber Optic Rotary Joints or FORJs provide a connection between two or multiple fiber optic cables and permit free rotation between them along the axis of the cable/s, preventing cables from becoming twisted. Important properties for fiber optic rotary joints include, low insertion loss, small insertion loss variation and high return loss.
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Equipment
The Prizm CK2000 fiber optic rotary joint answers the need for a rugged, splash proof and dust proof, off-the-shelf product using proven high-reliability components. The small size allows for easy insertion directly into a small winch or cable payout system and allows for continuous fiber optic communications during the entire operation.
JXn series multi-pass Fibre optic Rotary Joints (FORJs) accommodate 3-12 independent fibre channels as standard options. 13-60 channels are offered on custom basis. Loss and back reflection are uniform across all channels. There is no channel "drop off" or "blind spot" during rotation. They feature low crosstalk performance (<-60 dB) for both single and multi-mode fibres.
Hitachi Cable Fiber Optic Rotary Joint allows no-interference optical signal transmission while rotating along the optical fiber axis. FORJs are widely used in cable reel systems from cranes to sensing systems applications where twist-free optical cable is essential. Hitachi Cable brings you high performance, reliability and low cost all in one.
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