A multi-wavelength LIDAR system based on an erbium-doped fiber MOPA-system

被引：0
|
作者：
Toews, Albert [1 ]
Kurtz, Alfred [1 ]
机构：
[1] Cologne Univ Appl Sci, D-51643 Gummersbach, Germany
来源：
LIDAR TECHNOLOGIES, TECHNIQUES, AND MEASUREMENTS FOR ATMOSPHERIC REMOTE SENSING X | 2014年 / 9246卷
关键词：
all-fiber lidar; multi-wavelength; speckle; COHERENT DOPPLER LIDAR; LASER; POWER;
D O I：
10.1117/12.2067224
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
A multi-wavelength fiber based MOPA-system is proposed to increase performance of coherent Doppler lidar systems. The setup of the four-wavelength lidar system is described and characterized. We show that the speckle patterns of each wavelength are uncorrelated. The measured Goodman's M-parameter is 3.8 for four wavelengths, using hard target reflections. Atmospheric measurements show uncorrelated speckle patterns as well. Consequently, the precision of the measured wind velocity can be improved by a factor of two.
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页数：9
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