The Model 292 is an ultra-compact, two pass, multimode fiber optic rotary joint (FORJ). It is passive and bidirectional, and allows the transfer of optical signals on two separate optical fibers across rotational interfaces.
The Model 292 can be combined with our electrical and fluid slip rings, giving a single, compact package for optical signals, electrical power and fluid transfer.
The FORJ can be assembled with pigtail lengths tailored to the customer’s application. Housing, mounting flange and drive features can also be customized to meet the customer’s requirements. The Model 292 can also be installed with one or both ends having a 90° cable exit, providing even more flexibility when installing the unit into existing slip ring assemblies or installations with little clearance space.
Features and Benefits
Provides rotary coupling for two multimode fibers
Passive bidirectional optical transmission
Can be combined with various electrical slip rings and fluid unions
Smaller and more compact than the legacy model 215 with improved back reflection performance
Customized mounting flanges available
Optional 90 degree cable exits at either end of the FORJ
Optional fluid-filled version for deep submergence to 10,000 psi (69,000 kPa)
Can be integrated into existing slip ring designs
Stainless steel housing
MIL-STD-167-1 ship vibration
MIL-STD-810 functional shock (40 g)
Winches and cable reels for remotely operated vehicles
Remote I / O in industrial machinery
Video surveillance systems
Material handling systems
Fiber Size (Microns)
50 / 125 (OM2), 62.5 / 125 (OM1). Consult factory for other sizes
Channel 1: Typical < 1.5 dB, Maximum < 3.0 dB Channel 2: Typical < 4.5 dB, Maximum < 6.0 dB
Typical < 0.5 dB, Maximum < 1.0 dB
Typical 20 dB, 18 dB Minimum
Suitable for operation in 850nm and 1300nm multimode bands or 1300nm and 1550nm multimode bands. Consult factory for other wavelengths such as 900-1100nm band (tested at 1060nm)
To 500 rpm. Higher rotational speeds should be discussed with the factory
-40° to +60° C (dry version), -20° to +60° C (wet version). Consult factory for extended range
40 g / 11 ms sawtooth per MIL-STD-810 Method 516
Pigtailed with cable and connectors to meet customer's requirements. Consult factory for other connectors.
Up to 10,000 psi (69,000 kPa) for fluid-filled version1
Up to 3 meters standard. Consult factory for longer lengths
Note: Optical values given are based on use with LED sources
1Fluid-filled version is slightly larger than shown on datasheet
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