light detection

Noticing brightness presence

Light detection is the process of sensing or measuring light, whether by biological systems like eyes or technological instruments like sensors and photodetectors.

The term appears in technical contexts involving cameras, fiber optics, and remote sensing.

LIDAR (light detection and ranging) uses laser pulses to measure distances and map terrain.

Related

astronomy · dark room · photodetector · motion sensor · smoke detector · remote sensing · speed trap · photomultiplier tube · electromagnetic spectrum · bioluminescence · cornea · red eye · retina · circadian rhythms · vision · microscopy · interference · wavelength

Opposites
direction of energy flow

light detectionlight emission

Release of visible energy

illumination · luminescence · radiance · photoemission

signal processing action

light detectionlight absorption

Matter capturing radiant energy

blackout

sensory/measurement target

light detectionmotion detection

Identifying displacement automatically

chemical detection

Family

light, detection

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