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You are here:   » Products » Optical Technologies » Cameras & Illumination for Machine Vision » CameraLink Cameras » Geiger-mode Avalanche Photodiode (GmAPD) Camera

CameraLink Cameras

Geiger-mode Avalanche Photodiode (GmAPD) Camera

Key Features

  • Simple camera operation requiring only low-voltage power supply
  • 32 x 32 imaging sensor with Geiger-mode APD pixels
  • High-efficiency single-photon sensitivity at every pixel
  • Pixel-level circuitry performs rapid active quenching to minimize crosstalk
  • Integrated microlens array for high fill factor
  • CameraLink interface with base, medium, or full configuration


The Princeton Lightwave 32 x 32 Geiger-mode avalanche photodiode (GmAPD) camera is a turn-key system containing a single-photon imaging sensor designed for three-dimensional laser radar imaging with time-of-flight information captured at every pixel in the array. GmAPD pixels provide true single photon sensitivity, with cameras available in two wavelength ranges. The 1.06 μm camera is sensitive in the wavelength range from 920 nm to 1140 nm, including common pulsed laser wavelengths at 1064 nm and 1030 nm. The 1.55 μm camera is sensitive in the wavelength range from 920 nm to 1620 nm, covering eye-safe illumination beyond 1400 nm.


  • 3-D LADAR imaging with single-photon return pulses
  • Photon counting LIDAR
  • Passive imaging in photon-starved environments
  • Single photon detection and timing for quantum optics
  • Optical tomography



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