Covert illumination

illuminating something with light outside the visible spectrum.
e.g. infrared

Backlinks¶

• thermal imager
  • it can be used for nightvision, a.k.a. active IR covert illumination article
  • The Kinect IR sensor works with an IR wavelength not far away from visible light (830nm), which is too short for thermal imaging. It can be modded to act as a IR camera by adding covert illumination: see blog