Inherent optical properties of the coccolithophore: Emiliania huxleyi
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Author/Creator ORCID
Date
2013-07-16
Type of Work
Department
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Citation of Original Publication
Peng-Wang Zhai, Yongxiang Hu, Charles R. Trepte, David M. Winker, Damien B. Josset, Patricia L. Lucker, and George W. Kattawar, "Inherent optical properties of the coccolithophore: Emiliania huxleyi," Opt. Express 21, (29 July 2013) 17625-17638. https://doi.org/10.1364/OE.21.017625
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This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
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Abstract
A realistic nonspherical model for Emiliania huxleyi (EHUX) is built, based on electron micrographs of coccolithophore cells. The Inherent Optical Properties (IOP) of the EHUX are then calculated numerically by using the discrete dipole approximation. The coccolithophore model includes a near-spherical core with the refractive index of 1.04 + mij, and a carbonate shell formed by smaller coccoliths with refractive index of 1.2 + mij, where mi = 0 or 0.01 and j2 = −1. The reported IOP are the Mueller scattering matrix, backscattering probability, and depolarization ratio. Our calculation shows that the Mueller matrices of coccolithophores show different angular dependence from those of coccoliths.