infrared detectors
Thermal radiation finders
Infrared detectors are devices that sense infrared radiation—the portion of the electromagnetic spectrum just below visible light, associated with heat.
They convert thermal energy into electrical signals, enabling night vision equipment, thermal imaging cameras, motion sensors, and remote temperature measurement.
The security system uses infrared detectors to trigger alarms when someone enters the room.
- photodiodesLight-to-current semiconductor components
- thermal camerasDevices displaying heat signatures
- motion sensorsDevices detecting physical movement
- security camerasMounted recording devices
- quantum dotsNanoscale semiconductors with size-dependent properties
emissivity · spectrographs · heat · sensor arrays · spectroscopy · FLIR · climate monitoring · dark · electromagnetic spectrum · automatic doors · night vision goggles · heat signature · body heat · thermal radiation · alarm systems · thermal imaging · lens coatings · glow