3D Aerosol LIDAR
三维气溶胶激光雷达
（型号：ESS-D200）
1、设备简介
希腊Raymetrics气溶胶激光雷达系统采用世界***进的激光雷达制造工艺，利用不同波段激光信号探测大气气溶胶、水汽等垂直阔线，可以实时探测能见度和云底高度等，结合3D扫描技术，可以探测污染物的浓度分布及来源。探测包括气溶胶、能见度、水汽、火山灰、烟雾、污染来源、云底高度、边界层高度、光学厚度、消光系数、后向散射系数、色比等。
其客户遍布美国、中国、印度、欧洲、南亚、非洲和南美等地区，应用单位包括中国科学院、美国气象局、英国气象局、韩国气象局、空管局、欧空局、德国宇航中心、北京大学、南京大学等，应用领域包括气象、环境、航空、军事等科研和应用等。
希腊Raymetrics可以根据用户实际需要进行量身定制，例如，ESS-D200型激光雷达用于探测雾、能见度及污染物来源等；ESS-D300型激光雷达则用于探测火山灰、气溶胶及边界层高度等；ESS-D400型激光雷达则用于探测水汽浓度垂直阔线等。在这些应用中，可以根据探测的范围和内容，定制激光器的功率、激光波长、交叉极化波长、拉曼、镜头尺寸等，扫描模式也可以选择垂直观测或三维扫描等方式。
产品通过ISO 9001:2008体系，性能及指标满足欧洲气溶胶研究激光雷达观测网（EARLINET）需求，自2012年以来参与了上百个大型科学研究计划，在大气科学、天气预报、环境治理、航空气象、空间科学等领域发挥了***贡献。
ESS-D200型三维扫描气溶胶激光雷达，拥有大功率激光器、大口径望远镜及全3D扫描方式，可以为航空环境预报及预警提供重要的气象参数，探测要素包括：能见度、雾、污染物来源及云底高度等，是市场上***秀的气溶胶雷达系统。
2、ESS-D200雷达主要功能
（1）能见度监测：
该雷达系统可以提供斜视能见度（SVR），与跑道能见度（RVR）相比，斜视能见度更能真实的反映飞行员的视觉感受。
（2）云底高度监测：
该雷达系统可以提供三维空间云底高度，可以更真实的反映整个机场上空云的三维分布，而普通的云高仪采样空间仅为其头顶上方狭小的区域。
（3）雾霾监测：该雷达系统可以监测平流雾的分布、动向及来源，可以为航空预警提供预报服务。
（4）气溶胶类型甄别： 该雷达系统可以区分火山灰气溶胶、天然灰尘、烟雾、海洋气溶胶、冰云、水云等成分，为航空环境预警提供有力技术保障。
3、ESS-D200雷达输出产品
气溶胶、气溶胶类型、能见度、云底高度、边界层高度、光学厚度、消光系数、后向散射系数、色比等。3D扫描方式，探测距离10-15km，可以为航空环境预报及预警提供重要的气象参数。
4、ESS-D200雷达主要特点
（1）激光能量：在355nm单脉冲能量可达~30mJ；
（2）200mm大口径望远镜，有效提升信号效率；
（3）的信噪比，探测距离可达10~15km；
（4）系统可以全自动远程控制；
（5）系统包含标准软件包：雷达控制、数据分析和实时显示及存储。
（6）符合欧盟标准人眼安全等级60825-1:2007；
（7）兼容欧洲气溶胶研究激光雷达观测网（EARLINET）要求；
（8）品质保证：ISO9001:2008管理体系；
（9）应用领域：气象、环境、航空、军事、科学研究等。 4技术指标：
扫描范围：10-15km
标准检测波长：355 nm co-polar
可拓展监测波段：355 nm cross-polar
387 nm nitrogen Raman
分辨率：7.5m
采样时间分辨率：1秒或者10秒等多种采样方式
FWHM 带宽近似：～0.5 nm per wavelength
激光能量：30MJ/每脉冲@355nm
重复率：20Hz
光束扩展：X10
检测模式：近场和远场测量的模拟和光子计数
3D扫描范围：方位角0～357°；天顶角0～90°
内部PC：工业级PC运行窗口
气候控制：激光雷达头和控制单元的加热和空调单元
软件功能：仪表控制、测量调度、系统对齐和设置程序、数据采集、数据存储（数据库）、数据分析、数据可视化
尺寸（主镜）：200毫米
视场（FOV）：0.25至3 MRAD（用户可调）
重叠：＜200 m（带工厂设置FOV）
电源：110 - 240 V, 50 - 60 Hz
功耗：25 Amps.
尺寸：约1.8 m×1 m×1 m（HXWXD）
重量：约220公斤
自动化：自动化提供远程可操作的测量调度
保修：1年为标准
技术配件和维护：3天现场安装培训课程标准 
5、ESS-D200应用例子
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[18] Pérez-Ramírez, D., et al. (2012): Retrievals of precipitable water vapor using star photometry: Assessment with Raman lidar and link to sun photometry, J. Geophys. Res., 117, D05202, doi:10.1029/2011JD016450.
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[22] Guerrero-Rascado, J. L., et al. (2011): Aerosol closure study by lidar, Sun photometry, and airborne optical counters during DAMOCLES field campaign at El Arenosillo sounding station, Spain, J. Geophys. Res., 116, D02209, doi:10.1029/2010JD014510.
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