Abstract
A new type of photon detector, the Geiger-mode avalanche photodiode
(G-APD) has been developed during recent years. This device has the
potential to replace photomultiplier tubes. It has a response to
single photons with high detection efficiency. G-APDs are operated
in Geiger mode and therefore the recovery time, the time needed until
the small photodiodes of this device are fully active again after
a breakdown, is a crucial parameter in applications with a high level
of ambient light. The recovery time of several types of G-APDs was
measured and the results are presented.
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