Applications of photo diodes

Camera: Light Meters, Automatic Shutter Control, Auto-focus, Photographic Flash Control

Medical: CAT Scanners - X ray Detection, Pulse Oximeters, Blood Particle Analyzers

Industry

• Bar Code Scanners
• Light Pens
• Brightness Controls
• Encoders
• Position Sensors
• Surveying Instruments
• Copiers - Density of Toner

Safety Equipment

• Smoke Detectors
• Flame Monitors
• Security Inspection Equipment - Airport X ray
• Intruder Alert - Security System

Automotive

• Headlight Dimmer
• Twilight Detectors
• Climate Control - Sunlight Detector

Communications

• Fiber Optic Links
• Optical Communications
• Optical Remote Control