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Four Quadrant Position Sensing Photodiode

InGaAs/InP photodiode with four individual active photodiode areas. The top illuminated four quadrant photodiode features a large active area, a small quadrant separation and high responsivity. The PD00M4 photodiode is ideally suited for position sensing and beam alignment / profiling applications.
Each quadrant is isolated and equipped with dedicated anode and cathode pads.


  • Photodiode segmented into four individual quadrants
  • Large active area
  • Small quadrant separation
  • High responsivity: 1.1 A/W
  • Also available in TO-can package

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