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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 28, Iss. 7 — Jul. 1, 2011
  • pp: 1645–1649

Anisotropic transmission properties of magnetic fluids in the midinfrared region

Mitsunori Saito and Yoku Hirose  »View Author Affiliations


JOSA B, Vol. 28, Issue 7, pp. 1645-1649 (2011)
http://dx.doi.org/10.1364/JOSAB.28.001645


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Abstract

Infrared transmission characteristics of magnetic fluids were measured in the 4–10 μm wavelength range by using suspensions of kerosene and magnetite nanoparticles. The optical density of the magnetic fluid increased gradually toward short wavelengths, which indicated that scattering was a principal origin of the optical loss. When a magnetic field of 900 G was applied in the direction perpendicular to the optical path, the optical density increased or decreased depending on whether the polarization direction of the probe beam was parallel or perpendicular to the magnetic field. By contrast, an axial magnetic field reduced the optical density for both polarizations.

© 2011 Optical Society of America

OCIS Codes
(160.3820) Materials : Magneto-optical materials
(260.3060) Physical optics : Infrared
(260.5430) Physical optics : Polarization
(290.5850) Scattering : Scattering, particles
(290.7050) Scattering : Turbid media

ToC Category:
Physical Optics

History
Original Manuscript: February 22, 2011
Revised Manuscript: May 15, 2011
Manuscript Accepted: May 18, 2011
Published: June 8, 2011

Citation
Mitsunori Saito and Yoku Hirose, "Anisotropic transmission properties of magnetic fluids in the midinfrared region," J. Opt. Soc. Am. B 28, 1645-1649 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-7-1645

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