微脉冲激光雷达系统实验观测及应用

J4 ›› 2013, Vol. 30 ›› Issue (1): 84-88.

微脉冲激光雷达系统实验观测及应用

杜立彬，王章军，陈超，曲君乐，吕斌，刘杰，吴承璇

山东省科学院海洋仪器仪表研究所，山东省海洋环境监测技术重点实验室，山东青岛 266001

出版日期:2013-01-28 发布日期:2013-01-11
通讯作者: 杜立彬（1976-)辽宁人，研究员，主要从事海洋动力环境监测技术和大气探测激光雷达技术研究。 E-mail:dulibinhit@yahoo.com.cn
基金资助:
海洋公益性行业科研专项（201205036）、国家国际科技合作专项资助（2011DFR20090）和山东省优秀中青年科学家科研奖励基金（BS2012HZ014）

Development and applications of a micropulse lidar

DU Li-bin, WANG Zhang-jun, CHEN Chao, QU Jun-le, LIU Jie, WU Cheng-xuan

Shandong Provincial Key Laboratory of Ocean Environment Monitoring Technology, Institute of Oceanographic Instrumentation, Shandong Academy of Sciences, Qingdao 266001, China

Published:2013-01-28 Online:2013-01-11

摘要/Abstract

摘要：

针对大气气溶胶监测的迫切需要，研制完成了用于大气气溶胶光学特性和水平能见度测量的微脉冲激光雷达系统。本文主要介绍了该激光雷达系统的结构和主要技术参数，发射系统采用重复频率为2.5 kHz、单脉冲能量为6 μJ的半导体泵浦固体激光器，接收系统采用20 cm口径的施密特-卡塞格林式望远镜、0.5 nm的窄带干涉滤光片及光子计数模式的光电倍增管。利用本系统对青岛地区对流层的大气气溶胶进行了观测，观测结果表明，该系统具备连续观测对流层大气气溶胶的能力，可以很好地反映气溶胶粒子的时间和空间分布特征。

关键词: 微脉冲激光雷达, 气溶胶, 消光系数

Abstract:

A micropulse lidar (MPL) system is being developed by Shandong Academy of Sciences Institute of Oceanographic Instrumentation (SDIOI) to study and investigate structural and optical properties of clouds and aerosols. It is being built using commercially available, off the shelf, components. The transmitter is based on a diode-pumped Nd:YAG laser which delivers up to 6 μJ pulse energy at a pulse repetition rate of 2.5 kHz. The receiver utilizes a commercial 20-cm diameter Schmidt-Cassegrain telescope, a 0.5 nm narrowband interference filter, and a photon counting PMT detector. The tropospheric atmospheric aerosol of Qingdao was observed with the system and results show that it can measure the tropospheric aerosol continuously and well reflect the space and time distribution of aerosol.

Key words: micropulse lidar, aerosol, extinction coefficient

杜立彬，王章军，陈超，曲君乐，吕斌，刘杰，吴承璇. 微脉冲激光雷达系统实验观测及应用[J]. J4, 2013, 30(1): 84-88.

DU Li-bin, WANG Zhang-jun, CHEN Chao, QU Jun-le, LIU Jie, WU Cheng-xuan. Development and applications of a micropulse lidar[J]. J4, 2013, 30(1): 84-88.

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