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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 11 — Apr. 10, 2009
  • pp: 2149–2153

Empirical formula for the refractive index of freezing brine

Jeppe Revall Frisvad  »View Author Affiliations


Applied Optics, Vol. 48, Issue 11, pp. 2149-2153 (2009)
http://dx.doi.org/10.1364/AO.48.002149


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Abstract

The refractive index of freezing brine is important in order to, for example, estimate oceanic scattering as sea ice develops. Previously, no simple continuous expression was available for estimating the refractive index of brine at subzero temperatures. I show that extrapolation of the empirical formula for the refractive index of seawater by Quan and Fry [ Appl. Opt. 34, 3477 (1995)] provides a good fit to the refractive index of freezing brine for temperatures above 24 ° C and salinities below 180 .

© 2009 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(010.7340) Atmospheric and oceanic optics : Water
(160.4760) Materials : Optical properties

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: January 12, 2009
Revised Manuscript: March 18, 2009
Manuscript Accepted: March 19, 2009
Published: April 6, 2009

Citation
Jeppe Revall Frisvad, "Empirical formula for the refractive index of freezing brine," Appl. Opt. 48, 2149-2153 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-11-2149

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