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Optical Detector with Four Quadrant Photodiode

PX00M3 consists of the Albis four-quadrant PD00M4 photodiode packaged in a TO-5 header and capped with a flat window TO-cap. Each individual quadrant of the photodiode is bonded to a pair of pins of the TO-header providing access to the individual anode and cathode of each quadrant.

The photodiode PD00M4 features a large active area, a very narrow quadrant separation, and a high responsivity at 1550 nm, which make it ideally suited for position sensing and beam alignment/profiling applications.


  • Four quadrant photodiode in TO-5 header with flat window TO-cap
  • Very narrow quadrant separation
  • Separate anode and cathode pins for each individual quadrant
  • Large active area
  • High responsivity: 1.1 A/W

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