Meridian Laboratory partners with some of the world’s leading manufacturers of Fiber-optic rotary joints (FORJs) to provide standalone fiber optic solutions, and electrical plus fiber combinations. All fiber-optic components are assembled in an ISO Class 7 clean-room environment and 100% tested to the highest standards.
Electrical + FORJ Integration: Meridian Laboratory offers a full suite of single and multi-channel fiber optic rotary joints (FORJ) that can be combined with any number of ROTOCON electrical slip rings. Offered in a wide variety of configuration options for varying size, wavelength, environmental, material, and termination requirements, we are your single-source provider for slip ring and FORJ solutions.
Single-Channel Fiber-Optic Rotary Joints
| Channel count |
1 |
1 |
1 |
1 |
1 |
| Max. insertion loss (dB) |
1.5 (SM)
2.5 (MM) |
1.0 (SM)
2.0 (MM) |
3.0 (SM)
4.0 (MM) |
1.5 (SM)
2.5 (MM) |
2.0 (SM)
3.0 (MM) |
| Max. variation of insertion loss during rotation (dB) |
1.0 |
0.5 |
1.0 |
1.0 |
1.0 |
| Min. return loss (dB) |
50 (SM) / 35 (MM) |
| Wavelength |
1310 Nm/1550 Nm (SM)
850 Nm/1300 Nm (MM) |
| Rotation speed (RPM) |
3000 |
10000 |
3000 |
60 |
1000 |
| Weight (excl. connectors) |
18 g |
18 g |
20 g |
60 g |
130 g |
| Torque |
0.06 Nm |
0.06 Nm |
0.06 Nm |
0.3 Nm |
0.3 Nm |
| Degree of protection |
IP54 |
IP54 |
IP54 |
IP65/IP68*
*seawater resist. |
IP65 |
| Recommended temperature range |
-40°F to +185°F |
Multi-Channel Fiber-Optic Rotary Joints
| Channel count |
2-4 |
3-8 |
7-36 |
16-60 (81) |
2-8 |
| Max. insertion loss (dB) |
3.5 (SM)
3.5 (MM) |
3.5 (SM)
3.5 (MM) |
3.5 (SM)
3.5 (MM) |
3.5 CH 16-32
4.5 CH 33-48
5.5 CH 49-60 (81) |
3.5 (typ. 1.5) CH 2-4
4.5 (typ. 2.5) CH 5-8 |
| Max. variation of insertion loss over rotation (dB) |
1.5 |
2.5 (typ. 1.5) |
1.5 (typ. 0.75) |
| Min. return loss (dB) |
50 |
40 (typ. 45) |
| Wavelength |
1310 Nm/1550 Nm (SM)
850 Nm/1300 Nm (MM) |
1310 Nm or 1550 Nm |
| Fiber type |
Single-mado E9/125 or mujlti-mode 50/125 or 62.5/125
Mixed configuration with multi-mode and single-mode up to 36 CH |
Single-mode E9/125 |
| Rotation speed (RPM) |
1000 |
150 |
60 |
| Weight (excl. connectors) |
250 g |
700 g |
1500 g |
1500 g |
3000g |
| Torque |
0.08 Nm |
0.15 Nm |
1 Nm |
| Degree of protection |
IP54, IP65 |
IP68 up to 4500 m op. depth up to 10000 m (seawater resistant request) |
| Recommended temperature range |
-40°F to +185°F |
-15°F to +165°F |
For other products please check product selection table: Brushless Slip Rings
MLTECH M2 Rotary Electrical Connector
1 × $110.00 
Asiantool A3S Rotary Electrical Connector
1 × $90.00 
MLTECH M4 Rotary Electrical Connector
1 × $195.00 
MLTECH M8 Rotary Electrical Connector
1 × $820.00 
Asiantool A2S Rotary Electrical Connector
1 × $71.00 
Asiantool A3H Rotary Electrical Connector
1 × $135.00 
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