Assisted 2x2 Fiber-optic & Electric Rotary Joint - 24 contacts

Assisted 2x2 Fiber-optic & Electric Rotary Joint - 24 contacts

The 2x2 Assisted Fiber-optic & Electric Rotary Joint allows friction-less 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.

The two optical inputs use a standard FC connector, while the optical output uses two M3 receptacle. Each optical channel is independent and features near zero crosstalk. The 24 electrical contacts are accessible using either a combo of an HDMI connector plus 4 auxiliary contacts or dual Omnetics PZN-12 connectors. 

This configuration uses achromatic doublet lenses to ensure consistent performance on the entire visible range from 450 to 650 nm, fiber-optic numerical aperture is limited to NA 0.22.  This rotary joint is optimal for use in optogenetics, allowing two regions of the brain to be activated independently

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The 2x2 Assisted Fiber-optic & Electric Rotary Joint allows friction-less 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.

The two optical inputs use a standard FC connector, while the optical output uses two M3 receptacle. Each optical channel is independent and features near zero crosstalk. The 24 electrical contacts are accessible using either a combo of an HDMI connector plus 4 auxiliary contacts or dual Omnetics PZN-12 connectors. 

This configuration uses achromatic doublet lenses to ensure consistent performance on the entire visible range from 450 to 650 nm, fiber-optic numerical aperture is limited to NA 0.22.  This rotary joint is optimal for use in optogenetics, allowing two regions of the brain to be activated independently.


Not suitable for:

    • Photometry
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 Fiber200 µm core - NA0.22
* contact us for different optical fiber
Transmission> 50 % (60% typical)
Variation< 3 % peak-to-peak
Optical Connectors
stator : 2 x FC receptacle
rotor : 2 x M3 receptacle
Wavelength Range450-600 nm
Electrical Connectorssee options
Number of contacts24 Electrical contacts
Simple Resistance< 0.5 Ω
Maximum Current rating
2 A per contact
Rotation Speedup to 40 rpm
Power Supply (torque assistance)10W mini USB (included)
Start up Torque< 200 µN·m
Drawing

Assisted 2x2 Fiber-optic & Electric Rotary Joint

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
White Matter LLC eCube HDMI+4 Provided by White Matter LLC

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