As nouns the difference between photodetector and photodetection
is that photodetector is any device used to detect electromagnetic radiation while photodetection is (physics) the detection of individual photons using a photodetector.
photodetector
English
Synonyms
* light-sensitive cell
* light-sensitive detector
* light sensor photodevice
* photodevice
* photoelectric detector
* photosensor
See also
* photoconductive cell
* photodiode
* photoresistor
* photoswitch
* phototransistor
* phototube
* photovoltaic cell