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FORJ: Two-channel fiber optic rotary joint (MJ2 series, MM)

MJ2-131-62

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The dual-pass Fiberoptic Rotary Joint (FORJ) connects two independent fiber channels simultaneously. It allows uninterrupted transmission of optical signals while rotating along the common mechanical axis. Princetel's unique patented design provides customers with significant advantage on size, performance, availability, and cost. The device accommodates two standard multimode fibers. Check out our ZJn or MXn series FORJs for two singlemode channels.

Note: All insertion loss and return loss measurements are performed by joining the FORJ to the light source through fusion splice (without the use of connectors). Insertion loss of all receptacle type of FORJs, such as RST, RFC, and RFCX, are measured with connectors of similar type. Their return loss is not measured.

SPECIFICATIONS
PARAMETERS VALUES
Wavelength 1310/850 nm or 1310/1550 nm
Insertion loss <4 dB/channel 1, <6 dB/channel 2(Premium: <4 dB)
Insertion loss WOW <+/-1 dB
Return loss ~15 dB
Crosstalk >50 dB
Maximum speed 100 rpm
Pulling strength 10 N (900 um jacket)
Start up torque <0.2 Nm
Estimated life cycle 100-200 million revolutions
Optical power handling 23 dBm
Working temperature -40 to 72 C
Storage temperature -45 to 75 C
Package style Pigtails on both ends
Housing material Stainless steel
Fiber types MM w/3 mm cable (Kevlar lined) or armor
Connector types FC, SC, ST, SMA, or LC
Dimensions 20 mm dia. x 65 mm length
Weight 100 g
Vibration MIL-STD-167-1A
Mechanical shock MIL-STD-810G
IP rating IP 60 (optional IP65)
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MJ2- wavelength code- fiber code- connector code

DOCUMENTS DOWNLOAD

Download PDF drawing for MJ2
Download Solidworks 3-D drawing for MJ2

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