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首页> 外文期刊>Sensors Journal, IEEE >Detection Statistics in Geiger-Mode Avalanche Photodiode Quad-Cell Arrays With Crosstalk and Dead Time
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Detection Statistics in Geiger-Mode Avalanche Photodiode Quad-Cell Arrays With Crosstalk and Dead Time

机译:带有串扰和死区时间的盖革模式雪崩光电二极管四单元阵列中的检测统计

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摘要

The detection statistics of Geiger-mode photodetector subarrays with a combination of reset-time blocking loss and optical crosstalk are investigated. Closed-form expressions are obtained for the means and covariances of the numbers of counts in subarrays (quad cells) used in Shack–Hartmann wavefront sensors. The predicted wavefront sensing precision is compared with that obtained with a charge-coupled device-based wavefront sensor with readout noise. The results of the theory are also used to predict photon transfer curves for the Geiger-mode device and these are compared with experiment.
机译:研究了具有重置时间阻塞损耗和光学串扰的Geiger模式光电探测器子阵列的检测统计数据。对于Shack–Hartmann波前传感器中使用的子阵列(四元胞)中的计数值的均值和协方差,可以获得封闭形式的表达式。将预测的波前感测精度与使用带电荷耦合器件且具有读出噪声的波前传感器所获得的精度进行比较。该理论的结果还用于预测盖革模式器件的光子传输曲线,并将其与实验进行比较。

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