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Photodiode Amplifier

Photodiode Amplifier

  • Can Function as Optical Power Meter
  • 1 Part in 20,000 Resolution
  • Full Scale Input Range of ±20nA to ±20mA
  • Variable Bias Selectable from -14V to +14V
  • RS-232 Serial Interface

This amplifier unit is a low noise, high gain, transimpedance amplifier that is designed to provide a direct digital readout of the current generated from a photodiode, photomultiplier, or similar current source. If a reading in Watts is desired, simply toggle the A/W setting. By adjusting the A/W setting on the amplifier to equal detector responsivity, the amplifier can measure the incident optical power. For detectors that require a reverse bias, the unit can apply a selectable bias in series with the photodetector.

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