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

被引：27

作者：

Barton-Grimley, Rory A. ^{[1
]}

Stillwell, Robert A. ^{[2
]}

Thayer, Jeffrey P. ^{[1
]}

机构：

[1] Univ Colorado, Ann & HJ Smead Aerosp Engn Sci Dept, 1111 Engn Dr, Boulder, CO 80309 USA

[2] Natl Ctr Atmospher Res, Adv Study Program, Earth Observing Lab, Boulder, CO 80307 USA

来源：

OPTICS EXPRESS | 2018年 / 26卷 / 20期

基金：

美国国家科学基金会;

关键词：

DEAD-TIME; POLARIZATION; RANGE; DEPOLARIZATION; SYSTEM;

D O I：

10.1364/OE.26.026030

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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

引用

页码：26030 / 26044

页数：15

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