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Sensors 2010, 10(7), 7057-7066; doi:10.3390/s100707057

Two-channel Hyperspectral LiDAR with a Supercontinuum Laser Source

1,* , 2,3
1 Department of Navigation and Positioning, Finnish Geodetic Institute, P.O. Box 15 02431 Masala, Finland 2 Department of Remote Sensing and Photogrammetry, Finnish Geodetic Institute, P.O. Box 15 02431 Masala, Finland 3 Klastech GmbH, Konrad-Adenauer-Allee 11,D-44263 Dortmund, Germany
* Author to whom correspondence should be addressed.
Received: 18 June 2010 / Revised: 15 July 2010 / Accepted: 19 July 2010 / Published: 23 July 2010
(This article belongs to the Section Remote Sensors)
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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.
Keywords: hyperspectral LiDAR, prototype, range finder, NDVI hyperspectral LiDAR, prototype, range finder, NDVI
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Chen, Y.; Räikkönen, E.; Kaasalainen, S.; Suomalainen, J.; Hakala, T.; Hyyppä, J.; Chen, R. Two-channel Hyperspectral LiDAR with a Supercontinuum Laser Source. Sensors 2010, 10, 7057-7066.

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