3 November 2000 Application of photon-counting techniques to streak camera readout systems
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Video rate CCD cameras or high sensitivity slow scan CCD cameras are typically used today as streak camera readout systems. In most standard applications the output signal is processed in analog mode. Particularly low light level experiments can take advantage of the discrete nature of light by counting single photons. For these applications the output signal is analyzed in order to detect single events that are directly related to single photons. Therefore the streak camera is combined with a sensitive video rate CCD camera and a fast image processing system. The conversion and amplification stages inside the system are presented with their characteristics related to the photon counting application. Particularly their pulse height distribution and their spatial resolution are considered. Different image processing algorithms used to detect and spatially locate single events from the camera output signal are compared in terms of technical implementation and processing performance. The streak camera together with the readout camera and the image processing system are characterized for their detection quantum efficiency. The photon counting mode is compared to the analog mode and its advantages in terms of signal to noise ratio and spatial resolution is presented.
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Patrick Summ, Patrick Summ, Jean-Philippe Igersheim, Jean-Philippe Igersheim, } "Application of photon-counting techniques to streak camera readout systems", Proc. SPIE 4128, Image Intensifiers and Applications II, (3 November 2000); doi: 10.1117/12.405871; https://doi.org/10.1117/12.405871


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