The sampling process can be thought of as multiplying the waveform being sampled by a very narrow duty cycle pulse waveform of zero value for most of the time and of unity value for the very narrow ...

At the end of the sample, the data points are approximately one sampling interval old. The average age of the data over the interval T is, therefore, T/2. In other words, ...

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More information: Ileana-Cristina Benea-Chelmus et al, Electro-optic sampling of classical and quantum light, Optica (2025). DOI: 10.1364/OPTICA.544333. Provided by University of Central Florida.