红外, 2013, 34 (2): 22, 网络出版: 2013-02-28
用于全球大气温室气体探测的星载激光雷达研究
Research on Spaceborne Lidar for Global Atmospheric Greenhouse Gase Detection
二氧化碳 激光雷达 积分路径差分吸收 激光频率稳定性 光学参量振荡放大 carbon dioxide lidar integrated path differential absorption laser frequency stability optical parametric oscillation amplification
摘要
星载积分路径差分吸收(Integrated Path Differential Absorption, IPDA)激光雷达是一种有效的高精度(1 ppm)全球CO2 柱线浓度测量手段。结合 其基本工作原理分析了CO2 柱线浓度反演技术方法，并优化了工作波段和工作波长。分析了由所选波段激光频率的稳定性、 激光带宽和激光光谱纯度等激光雷达发射源参数变化所带来的CO2 柱线浓度测量误差，并给出了经过优化的设计参数。研究了 用IPDA激光雷达实现双波长脉冲发射激光的技术方法，并给出了实验验证结果，实现了1.572 m波段单脉 冲能量大于50 mJ的激光输出。
Abstract
The Integrated Path Differential Absorption (IPDA) Lidar is an effective high-precision (1ppm) global column-averaged carbon dioxide concentration measurement means. According to the operation principle of the IPDA, the method for retrieving column-averaged carbon dioxide concentration is analyzed and its operation waveband and wavelength are optimized. The column-averaged carbon dioxide concentration measurement errors caused by the variation of some parameters of the transmitter used in the Lidar, such as laser frequency stability, laser bandwidth and laser spectral purity are analyzed. The optimized design parameters are given. The way to emit dual-wavelength pulse laser with the IPDA lidar is studied and its verified experimental result is given. The laser output with single pulse energy greater than 50 mJ at the wavelength of 1.572 m is obtained.
刘继桥, 谢杨易, 李世光, 李环环, 马秀华, 朱小磊, 陈卫标. 用于全球大气温室气体探测的星载激光雷达研究[J]. 红外, 2013, 34(2): 22. 刘继桥, 谢杨易, 李世光, 李环环, 马秀华, 朱小磊, 陈卫标. Research on Spaceborne Lidar for Global Atmospheric Greenhouse Gase Detection[J]. INFRARED, 2013, 34(2): 22.
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