Circuit - LASER/LED LIGHT OUTPUT INTENSITY METER- Circuits designed by David A. Johnson, P.E.


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Circuits designed by David Johnson, P.E.

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Last Updated on: Friday, August 29, 2008 02:35 PM

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.

Click on Drawing Below to view PDF version of Schematic

Amplifiers: Transimpedance Freespace or Light Beam Communication
Laser Circuits Light Detectors or Optical Sensors
Master Schematic Category List - David A. Johnson, P.E.