Generation and Statistical Properties of Optical Dead-Time Effects

摘要

An optoelectronic device that can generate either the non-paralysable or the paralysable dead-time effect has been constructed, using a feedback scheme in conjunction with the acousto-optic deflector. Semi-classical experiments show good agreement with the theory, which predicts antibunching function of an arbitrary order is obtained for a general renewal process. From this general result, exact expressions for autocorrelation functions for both the non-paralysable and the paralysable counters are derived when the dead-time is greater than twice the sample time. The Fano factor is considered for both the non-paralysable and the paralysable counters. It is seen that the Fano factor for the paralysable counter can be smaller than that for the non-paralysable counter for a certain range of the input count rate. Keywords: Pulse counting; Reprints. (KR)