NDLI: Remote sensing of the Earth's surface with an airborne polarized laser

Content Provider	IEEE Xplore Digital Library
Author	Kalshoven Jr., J.E. Dabney, P.W.
Copyright Year	1980
Abstract	A new remote sensing instrument, the Airborne Laser Polarization Sensor (ALPS), is making the first multispectral radiometric and polarization measurements of the Earth's surface using a polarized laser light source. Results from data flights taken over boreal forests in Maine at 1060 and 532 nm, using a Nd:YAG laser source, showing depolarization signatures for three broadleaf and five coniferous tree species, are discussed. Measurements made over nonforest ground cover had a large dynamic range in depolarization values at both wavelengths. The ALPS system use twelve photomultiplier tube detectors configurable to measure desired parameters such as the total backscatter and the polarization state, including the azimuthal angle and ellipticity, at different ultraviolet to near-infrared wavelengths simultaneously. Measurements of the azimuth and ellipticity of the backscatter polarization were variable and no specific conclusions have yet been drawn.<>
Sponsorship	IEEE Geoscience and Remote Sensing Society IEEE URSI
Starting Page	438
Ending Page	446
Page Count	9
File Size	1113080
File Format	PDF
ISSN	01962892
Volume Number	31
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1993-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Remote sensing Earth Optical polarization Wavelength measurement Backscatter Instruments Radiometry Surface emitting lasers Light sources Dynamic range
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Electrical and Electronic Engineering

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