Circuit: LASER/LED LIGHT OUTPUT INTENSITY METER__ Circuit designed by David A. Johnson, P.E.

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Last Updated on: Friday, December 29, 2017 02:53 AM

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More Amplifiers: Transimpedance
Freespace or Light Beam Communication
Laser Circuits     Light Detectors or Optical Sensors

LASER/LED LIGHT OUTPUT INTENSITY METER

This circuit uses a large 1cm X 1cm silicon PIN photo diode and a transimpedance Amplifier to measure the light power output of infrared and visible LEDs and laser diodes. It can be modified to produce almost any milliwatts to volts scale factor. It can be connected to either a multi-meter or an oscilloscope.

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