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photodiode
photoelectric detector in which a photocurrent is generated by absorption of optical radiation in the neighbourhood of a p-n junction between two semiconductors or a junction between a semiconductor and a metal
Note 1 to entry: This entry was numbered 845-05-39 in IEC 60050-845:1987.
Note 2 to entry: This entry was numbered 17-895 in CIE S 017:2011.