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Photon Detector with a Paralyzable Photon-Sensitive Element, in particular SPAD, and Distance Measuring Device Comprising said type of Photon Detector
Photon Detector with a Paralyzable Photon-Sensitive Element, in particular SPAD, and Distance Measuring Device Comprising said type of Photon Detector
A photon detector is disclosed that includes, in addition to an immobilisable photon-sensitive element, a photon transmission element. The photon detector is configured such that it can vary photon intensities impacting upon the photon-sensitive element and transmitted by the photon transmission element, for example, by modifying an absorption property or a defocussing property of the photon transmission element. Also, the immobile photon-sensitive element, which can be, for example a SPAD (Single Photon Avalanche Diode), always operates close to the optimal operating range and below an immobilisation range. A distancing device that includes this type of photo detector is also disclosed.
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