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Airborne simultaneous spectroscopic detection of laser-induced water Raman backscatter and fluorescence from chlorophyll a and other naturally occurring pigmentsThe airborne laser-induced spectral emission bands obtained simultaneously from water Raman backscatter and the fluorescence of chlorophyll and other naturally occurring waterborne pigments are reported here for the first time. The importance of this type data lies not only in its single-shot multispectral character but also in the application of the Raman line for correction or calibration of the spatial variation of the laser penetration depth without the need for in situ water attenuation measurements. The entire laser-induced fluorescence and Raman scatter emissions resulting from each separate 532-nm 10-nsec laser pulse are collected and spectrally dispersed in a diffraction grating spectrometer having forty photomultiplier tube detectors. Results from field experiments conducted in the North Sea and the Chesapeake Bay/Potomac River are presented. Difficulties involving the multispectral resolution of the induced emissions are addressed, and feasible solutions are suggested together with new instrument configurations and future research directions.
Document ID
19810063243
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Hoge, F. E.
(NASA Wallops Flight Center Wallops Island, VA, United States)
Swift, R. N.
(EG & G Washington Analytical Services Center Inc., Pocomoke City, MD, United States)
Date Acquired
August 11, 2013
Publication Date
September 15, 1981
Publication Information
Publication: Applied Optics
Volume: 20
Subject Category
Earth Resources And Remote Sensing
Accession Number
81A47647
Distribution Limits
Public
Copyright
Other

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