IGA500-APD – High-Sensitivity InGaAs Avalanche Photodiode for Geiger Mode

Our brand-new IGA500-APD for Geiger Mode

Reliable detection of extremely weak optical signals in the near-infrared.
Designed for precise measurement and communication systems operating in the 800–1700 nm spectral range.

Key Facts at a Glance

• Technology: InGaAs Avalanche Photodiode (1.7 µm cut-off)

• Active Area: 500 µm diameter

• Spectral Range: 800 – 1700 nm (peak at 1550 nm)

• Gain: Avalanche gain up to factor 20

• Noise: Very low dark current

• Speed: Nanosecond response time

• Package: Hermetically sealed TO46

Performance Features

• High responsivity at low optical power levels

• Low junction capacitance for fast signal acquisition

• Operation at comparatively low supply voltages

• Stable and reproducible performance under industrial conditions

Integration & Options

• Planar APD with top illumination

• Compatible with time-critical measurement systems

• Optional configurations available:

  • Fiber coupling (single-mode / multi-mode)

  • Thermoelectric cooling (TE cooler)

Applications

• Distance and time-of-flight (ToF) measurement

• Eye-safe laser rangefinding systems (1550 nm)

• OTDR systems

• Optical communication

• Low-light and photon detection

Learn more about our brand-new IGA500-APD Avalanche Photodiode or download the detailed datasheet on the IGA500-APD product page.