Two-channel Hyperspectral LiDAR with a Supercontinuum Laser Source

被引：109

作者：

Chen, Yuwei ^{[1
]}

Raikkonen, Esa ^{[2
,3
]}

Kaasalainen, Sanna ^{[2
]}

Suomalainen, Juha ^{[2
]}

Hakala, Teemu ^{[2
]}

Hyyppa, Juha ^{[2
]}

Chen, Ruizhi ^{[1
]}

机构：

[1] Finnish Geodet Inst, Dept Nav & Positioning, Masala 02431, Finland

[2] Finnish Geodet Inst, Dept Remote Sensing & Photogrammetry, Masala 02431, Finland

[3] Klastech GmbH, D-44263 Dortmund, Germany

来源：

SENSORS | 2010年 / 10卷 / 07期

基金：

芬兰科学院;

关键词：

hyperspectral LiDAR; prototype; range finder; NDVI; CALIBRATION; INTENSITY; SCANNER; SYSTEM;

D O I：

10.3390/s100707057

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Recent advances in nonlinear fiber optics and compact pulsed lasers have resulted in creation of broadband directional light sources. These supercontinuum laser sources produce directional broadband light using cascaded nonlinear optical interactions in an optical fibre framework. This system is used to simultaneously measure distance and reflectance to demonstrate a technique capable of distinguishing between a vegetation target and inorganic material using the Normalized Difference Vegetation Index (NDVI) parameters, while the range can be obtained from the waveform of the echoes. A two-channel, spectral range-finding system based on a supercontinuum laser source was used to determine its potential application of distinguishing the NDVI for Norway spruce, a coniferous tree, and its three-dimensional parameters at 600 nm and 800 nm. A prototype system was built using commercial components.

引用

页码：7057 / 7066

页数：10

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