Physics – Instrumentation and Detectors
Scientific paper
2004-11-23
Physics
Instrumentation and Detectors
7 pages, 6 figures
Scientific paper
10.1063/1.1986969
A novel high-throughput second-order-correlation measurement system is developed which records and makes use of all the arrival times of photons detected at both start and stop detectors. This system is suitable particularly for a light source having a high photon flux and a long coherence time since it is more efficient than conventional methods by an amount equal to the product of the count rate and the correlation time of the light source. We have used this system in carefully investigating the dead time effects of detectors and photon counters on the second-order correlation function in the two-detector configuration. For a non-stationary light source, distortion of original signal was observed at high photon flux. A systematic way of calibrating the second-order correlation function has been devised by introducing a concept of an effective dead time of the entire measurement system.
An Kyungwon
Choi Wonshik
Dasari R. R.
Fang-Yen C.
Feld Michael S.
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