Fiber-optic Cannula + Single LED

We have developed an assembly where the LED is the integral part of the fiber-optic cannula thus providing a lightweight optical source attached to the head of the animal suitable for a deep brain illumination. The protruding optical fiber is implanted into the skull.

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We have developed an assembly where the LED is the integral part of the fiber-optic cannula thus providing a lightweight optical source attached to the head of the animal suitable for a deep brain illumination. The protruding optical fiber is implanted into the skull.

In order to keep the assembly small and light there is no heat sink. To avoid heating, the maximum current should be limited. 


Note: A bare cable connection is provided to interface with a current source.



Cannula + LED color code

Maximum current (typical)150 mA (continuous); 300 mA (10 ms pulse, 10% duty cycle)
Output power@ 150 mA (200 ┬Ám, 0.66 NA): 8.0 mW for LED 465 nm; 3.5 mW for LED 525 nm; 1.5 mW for LED 595 nm; 4.0 mW for LED 635 nm
Dimensions6 x 6 x 6 mm
Mass200 mg
Electrical interface3 pins header, 1.27 mm
PinoutPin 1, Pin 3 : Cathode (-) ; Pin 2 (center) : Anode (+)