secondary photocurrent

secondary photocurrent

[′sek·ən‚der·ē ′fōd·ō‚kə·rənt]
(electronics)
A photocurrent resulting from ohmic contacts that are able to replenish charge carriers which pass out of the opposite contact in order to maintain charge neutrality, and whose maximum gain is much greater than unity.
References in periodicals archive ?
This current was shown to exceed the primary photocurrent of the pn-junction or Schottky-barrier gate junction on the secondary photocurrent of the FET.