1x2 Fiber-optic Rotary Joints - Intensity Division

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  • 1x2 Fiber-optic Rotary Joint - Intensity Division is a connectorized joint that splits the light from an input optical fiber on a fixed side equally to two output optical fibers on a rotating side. All three connector receptacles are of the FC type. The 50:50 split is crucial for bilateral optogenetics stimulation experiments.

    Notes: A compatible holder and the output fiber-optic patch cords are included. An optional gimbal holder pivots the joint and smooths out the tethered animal's pulling.
  • Transmission  > 40% per output
     tested with 200 µm core, NA 0.22 fiber-optic patch cords
    Variation in Rotation +/- 3% of the mean
    Split Ratio < 5 % difference between output A and B
    Input NA  0.22
    Output NA  0.22 or 0.50
    Start up torque  30 µN·m
    Length  53 mm
    Outer Diameter  31 mm
    Mass  54 g
    Holder  Holder_FRJ_large included
  • FRJ_1x2-MANUAL
      Version 1.1.1
    FRJ_1x2-DRAWING