Segmented InGaAs Photodiodes

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FCI-InGaAs-QXXX series are large active area InGaAs photodiodes segmented into four separate active areas. These photodiodes come in 1mm and 3mm active area diameter. The InGaAs Quad series with high response uniformity and the low cross talk between the elements are ideal for accurate nulling or centering applications as well as beam profiling applications. They exhibit excellent responsivity from 1100nm to 1620nm, and are stable over time and temperature, and fast response times necessary for high speed or pulse operation. The photodiodes are packaged in isolated TO-5 or TO-8 cans with a broadband double sided AR coated flat window, and also can be mounted on ceramic substrate per request.

Product Applications

  • Position Sensing
  • Beam Alignment
  • Beam Profiling


Product Features

  • High Responsivity
  • Low Noise
  • Spectral Range 900nm to 1700nm
  • Low Crosstalk
  • Wide Field of View 

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