1. Plural of photodiode; semiconductor devices that convert light into electrical current.
Usage: technical; electronics

Examples

• The camera sensor contains millions of photodiodes that capture light and convert it to digital signals.
• Photodiodes are commonly used in optical communication systems to detect incoming light signals.
• Solar cells are a type of photodiode designed to convert sunlight into usable electrical power.
• The circuit uses photodiodes to measure light intensity in the laboratory experiment.
• Modern smartphones rely on photodiodes in their proximity sensors to detect when the device is near your face.