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The Pigtailed 2x2 Assisted Fiber-optic & Electric Rotary Joint allows frictionless rotation of 2 independent optical channels and 24 electrical contacts thanks to motorized assistance.

The rotary joint detects torsion in fiber-optic patch cords connecting it to a moving animal, turning the rotor and allowing the animal to move freely without discomfort.

When a high-stability output is required, the Pigtailed 2x2 Assisted Fiber-optic & Electric Rotary Joint is recommended. These rotary joint have pigtailed, 1 m long FC-connectorized patch cords connected to the optical inputs while the optical output uses two M3 receptacle. The pigtailed patch cords use a 200 or 400 μm core, 0.37 NA or 0.57 NA optical fibers. An ARMO jacket is used to protect the patch cords for maximum reliability.

Tests that have been performed showed the compatibility of the following third party systems with the Assisted Electrical Rotary Joints – 24 channels:

Compatibility of the rotary joint with other devices
Company Product Connectors Adaptor (if necessary)
Blackrock Microsystem CerePlex M HDMI+4 -
CerePlex µ HDMI+4 -
Intan Technologies RHD 16/32/64/128ch  2xPZN12 -
2xHARWIN Harwin 12 to Omnetics 12 Adapter
SMA + USB2-B micro + PZN12 -
Neuropixels Neuropixels 1.0 HDMI+4 Neuropixel Adapter (HDMI)
2xPZN12 Neuropixel Adapter (PZN12)
SMA + USB2-B micro + PZN12 Neuropixel Adapter (USB2-B micro or PZN12)
Neuropixels 2.0
HDMI+4 Neuropixel Adapter (HDMI)
2xPZN12 Neuropixel Adapter (PZN12)
SMA + USB2-B micro + PZN12 Neuropixel Adapter (USB2-B micro or PZN12)
Pinnacle Technology Inc EEG/EMG 3CH HDMI+4 Adapter HDMI PINNACLE 3 channels
EEG/EMG 4CH HDMI+4 Adapter HDMI PINNACLE 4 channels
UCLA Miniscope Miniscope V.4 HDMI+4 UCLA Miniscope Adapter
2xPZN12 UCLA Miniscope Adapter
SMA + USB2-B micro + PZN12 UCLA Miniscope Adapter (SMA or PZN12)
White Matter LLC eCube HDMI+4 Provided by White Matter LLC
Electrical ConnectorHDMI+4(Molex Micro-fit 3.0 Dual Row 4 Contacts Connector)
2x PZN-12(Omnetics Polarized Nano 12 Contacts)
2x HARWIN (Datamate L-Tek 12 pos 2 row)
1x SMA + 1x USB2-B micro + 1x PZN12 (Omnetics Polarized Nano 12 Contacts)
Optical Fibersee options
Input Fiber (stator)
2x 1 meter long, ARMO Black jacket, FC/PC
Output Connectors (rotor)
2x M3 receptacles
Transmission> 50 % (60% typical)
Maximum variation< 1.5 % peak-to-peak
Design Wavelength530 nm
Electrical Connectorssee options
Number of contacts24
Simple Resistance< 0.5 Ω
Rotation Speedup to 40 rpm
Maximum Current2 A per contact
Start up Torque< 200 µN·m
Rotation Speedup to 40 rpm
Power Supply10W mini USB (included)
Drawing

Assisted 2x2 Fiber-optic & Electric Rotary Joint



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