Noun
English Wikipedia has an article on:photodetectorWikipedia
photodetector (plural photodetectors)
Any device used to detect electromagnetic radiation
There is also the specific detectivity ( ) which is the detectivity multiplied by the square root of the area ( ) of the photodetector, ( ) for a 1 Hz bandwidth. Source: Internet
Noise-equivalent power (NEP) is a measure of the sensitivity of a photodetector or detector system. Source: Internet
Photodiodes are intended to sense light( photodetector ), so they are packaged in materials that allow light to pass, and are usually PIN (the kind of diode most sensitive to light). Source: Internet