Photodiodes

Photodiode physics and practice — PN/PIN/APD structures, responsivity, noise, readout electronics, calibration, and detector selection.

Comprehensive Guide

Full academic treatment with worked examples, SVG diagrams, and cited references.

Available now →
Abridged Guide

Concise quick-reference with key equations, decision tables, and practical workflows.

Available now →
Tools & Calculators

Interactive design tools — enter parameters, get component recommendations.

Photodiode Signal & Noise Calculator →APD Gain Optimizer →
2 tools available →
More in Measurement & Detection
Photomultiplier Tubes (PMTs)
Available
Scientific Cameras
Available
CCD & CMOS Imaging Sensors
Available
Power & Energy Meters
Available
Integrating Spheres
Available
Interferometry
Available
Spectrometers
Available
Detector Selection & Comparison
Available

All information, equations, and calculations have been compiled and verified to the best of our ability. For mission-critical applications, we recommend independent verification of all values. If you find an error, please let us know.