1.55 um全光纤相干激光测风雷达技术的研究

大气与环境光学学报 ›› 2018, Vol. 13 ›› Issue (5): 364-369.

1.55 um全光纤相干激光测风雷达技术的研究

柯天美1,2, 谈图2, 侯再红2, 靖旭2, 王振东2, 高晓明2，*

（1安徽大学物理与材料科学学院, 安徽合肥 230601; 2中国科学院安徽光学精密机械研究所, 安徽合肥 230031）

出版日期:2018-09-28 发布日期:2018-09-28
作者简介:柯天美（1992-），女，安徽宣城人，研究生，主要从事激光测风雷达方面的研究。
基金资助:
Supported by National Key research and development program of China (国家重点研发计划，2017YFC0209700)

Research on the Technology of 1.55 um All-Fiber Coherent Wind Lidar

KE Tianmei1,2, TAN Tu2, HOU Zaihong2, JING Xu2, Wang Zhengdong2, GAO Xiaoming2,*

（1 School of Physics and Materials Science, Anhui University, Hefei 230601, China; 2 Laboratory of Environmental Spectroscopy, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031,China）

Published:2018-09-28 Online:2018-09-28
Supported by:
Supported by National Key research and development program of China (国家重点研发计划，2017YFC0209700)

摘要/Abstract

摘要：

风速的监测在气象预测、飞行器的安全保障及风力资源的勘测等方面都有着十分重要的应用。采用1.55 um窄线宽全光纤激光器开展全光纤相干多普勒激光测风技术的研究，建立一套由电机带动转盘转动模拟风速测量装置，利用散射信号产生多普勒频移来校准系统的测量准确性。系统采用的1.55um全光纤脉冲激光器单脉冲能量为10 uJ、脉冲重复频率为20 kHz、脉宽为200 ns, 模拟风速与实际测量结果具有很好的一致性。

关键词: 频移, 多普勒效应, KEOPSYS激光器, 风速

Abstract:

The monitoring of wind speed is very important in meteorological prediction, safety protection of aircraft and the investigation of wind resources. Using the 1.55 um narrow line width fiber laser for all optical fiber laser coherent Doppler wind technology research, a set of the motor driven wheel rotation to simulate wind speed measuring device, the scattering signal Doppler frequency shift to the measurement accuracy of the calibration system. The single-pulse energy of the 1.55μm all-fiber pulse laser is 10 μJ, the pulse repetition frequency is 20 kHz, the pulse width is 200 ns, and the simulated wind speed is consistent with the actual measurement results.

Key words: frequency shift, Doppler effect, KEOPSYS laser, wind velocity

中图分类号:

P415.2

柯天美谈图侯再红靖旭王振东高晓明. 1.55 um全光纤相干激光测风雷达技术的研究[J]. 大气与环境光学学报, 2018, 13(5): 364-369.

KE Tian-Mei, TAN Tu, HOU Zai-Gong, JING Xu, WANG Zhen-Dong, GAO Xiao-Ming. Research on the Technology of 1.55 um All-Fiber Coherent Wind Lidar[J]. Journal of Atmospheric and Environmental Optics, 2018, 13(5): 364-369.

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