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Calibration of the forward-scattering spectrometer probe - Modeling scattering from a multimode laser beamScattering calculations using a detailed model of the multimode laser beam in the forward-scattering spectrometer probe (FSSP) were carried out using a recently developed extension to Mie scattering theory. From this model, new calibration curves for the FSSP were calculated. The difference between the old calibration curves and the new ones is small for droplet diameters less than 10 microns, but the difference increases to approximately 10 percent at diameters of 50 microns. When using glass beads to calibrate the FSSP, calibration errors can be minimized by using glass beads of many different diameters, over the entire range of the FSSP. If the FSSP is calibrated using one-diameter glass beads, then the new formalism is necessary to extrapolate the calibration over the entire range.
Document ID
19930067242
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Hovenac, Edward A.
(Sverdrup Technology, Inc.; NASA, Lewis Research Center Cleveland, OH, United States)
Lock, James A.
(Cleveland State Univ. OH, United States)
Date Acquired
August 16, 2013
Publication Date
August 1, 1993
Publication Information
Publication: Journal of Atmospheric and Oceanic Technology
Volume: 10
Issue: 4
ISSN: 0739-0572
Subject Category
Instrumentation And Photography
Accession Number
93A51239
Distribution Limits
Public
Copyright
Other

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