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Data · dataset · 2026

High resolution photon time-tagging lidar for atmospheric point cloud generation

Listed in National Center for Atmospheric Research

The application of time-correlated single photon counting hardware and techniques to atmospheric lidar is presented.

Description

The results establish the viability of adapting photon time-tagging techniques to atmospheric lidar systems, facilitating high-range resolution (millimeter-level precision) and dynamic system observing capabilities that address the variety of atmospheric scatterers often present in atmospheric lidar profiles.

The technique is demonstrated through measurements made by a high repetition rate, low pulse energy, elastic scattering, photon counting lidar. Detection probabilities with a non-zero system dead-time are derived and tested using acquired data. Atmospheric point cloud generation and the statistical implications on data retrievals utilizing this approach are presented.

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The results show an ability to preserve backscattered intensities while generating photon detections at picosecond resolution from a variety atmospheric scatterers. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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Atmospheric sciences 74%
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