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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 26 — Sep. 10, 2011
  • pp: 5149–5157

Mueller matrix measurements of algae with different shape and size distributions

Øyvind Svensen, Jakob J. Stamnes, Morten Kildemo, Lars Martin Sandvik Aas, Svein Rune Erga, and Øyvind Frette  »View Author Affiliations


Applied Optics, Vol. 50, Issue 26, pp. 5149-5157 (2011)
http://dx.doi.org/10.1364/AO.50.005149


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Abstract

The full Mueller matrix was measured to obtain the polarization state of the scattered light for a variety of algae with different shapes, wall compositions, sizes, and refractive indices. The experimental setup was a multiple laser Mueller matrix ellipsometer, by which measurements were performed for scattering angles from 16 ° to 160 ° sampled at every second degree for wavelengths of 473 nm and 532 nm . Previously, the polarization of light scattered from microalgae was investigated only for a few species, and the Mueller matrix was found to have little variation between the species. In our work a total of 11 algal species were investigated, representing diatoms, dinoflagellates, coccolithophorids, green algae, and a cryptophyte. The selection of species was made to obtain high variability in shape, size, cell wall, and refractive index. As in previous investigations, very small variations were found between species for most of the Mueller matrix elements, but noticeable variations were found for M 11 , ( M 12 + M 21 ) / 2 and ( M 33 + M 44 ) / 2 .

© 2011 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(010.4455) Atmospheric and oceanic optics : Oceanic propagation
(010.4458) Atmospheric and oceanic optics : Oceanic scattering
(290.5855) Scattering : Scattering, polarization

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: January 13, 2011
Revised Manuscript: June 29, 2011
Manuscript Accepted: June 30, 2011
Published: September 9, 2011

Virtual Issues
Vol. 6, Iss. 10 Virtual Journal for Biomedical Optics

Citation
Øyvind Svensen, Jakob J. Stamnes, Morten Kildemo, Lars Martin Sandvik Aas, Svein Rune Erga, and Øyvind Frette, "Mueller matrix measurements of algae with different shape and size distributions," Appl. Opt. 50, 5149-5157 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-26-5149

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