An Avalanche Photodiode is a highly sensitive semiconductor detector that converts light into electrical current and amplifies weak signals through avalanche multiplication. APDs provide higher gain than standard photodiodes, enabling detection of low-level optical signals in LiDAR, optical communications, sensing, and scientific instrumentation. GPD Optoelectronics produces high-performance APDs engineered for reliability, low noise, and demanding infrared applications.
Choosing a photodetector isn’t just a spec-matching exercise. The wrong choice drives redesign cycles, calibration overhead, and supplier risk that never appear on a datasheet. Here’s how to evaluate detectors the way your product’s lifecycle actually demands.