Fiber Optic Rotary Joints

FO242

Multi-Channel FORJ

The FO242 is a multi-pass, singlemode fiber optic rotary joint (FORJ). It is passive and bidirectional, and allows the transfer of optical signals across a rotational interface on 2 to 6 separate singlemode optical fibers.

The FO242 can be combined with our electrical and / or fluid slip rings giving a single, compact package for optical signals, electrical power and fluid transfer.

Other options include fluid-filling for pressure compensation permitting operation at any ocean depth, and the combination of the FO190 to include up to 19 multimode passes.

Features

2 to 6 singlemode channels
Can be combined with our electrical slips, fluid unions and the FO190 multimode fiber optic rotary joint
Alternative drive coupling arrangements are available (consult factory for specification details)
Tested to 10,000 psi (69,000 kPa) when fluid-filled
Stainless steel and aluminum construction
Connectorized interfaces, for easy fiber cable replacement
Rugged design
- MIL-STD-167-1 ship vibration
- MIL-STD-810D functional shock (40 g)

FO242 Specifications

Fiber Size (Microns)
9 / 125 SMF-28
Insertion Loss (dB)
See Technical Data Sheet
Rotation Variation (Typical)
Typical < 0.5 dB | Maximum < 1.5 dB
Back Reflection (Typical)*
22 dB
Back Reflection (Minimum)*
18 dB
Wavelengths
1310 / 1550 nm. Consult Factory for other wavelengths.
Rotational Speeds
To 100 rpm dry and 60 rpm fluid filled. Higher Rotational speeds should be discussed with the factory.
Temperature
-40° to +60° C standard. Consult factory for extended range.
Dispersion
< 50 fs / nm (calculated)
Exterior Surfaces
Stainless Steel and Aluminum
Vibration
Tested to MIL-STD-167-1 (ships)
Shock
Tested to MIL-STD-810E
Connectors
FC / PC connector bushings standard (ST connector bushings optional)
Pressure
Up to 10,000 psi (69,000 kPa) for fluid filled version
Pigtail Length
As required

*Lower back reflection available, consult factory.

Fiber Optic Rotary Joints

FO242

FO242 Specifications

Typical Applications

FO242 Technical Data Sheet

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