| that part of the output current of a photoelectric detector which is caused by incident radiation Note 1 to entry: In photomultipliers a distinction has to be made between the cathode photocurrent and the anode photocurrent. Note 2 to entry: The photocurrent is expressed in ampere (A). Note 3 to entry: This entry was numbered 845-05-52 in IEC 60050-845:1987.
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