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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 15 — May. 20, 1998
  • pp: 3324–3332

Raman scattering by pure water and seawater

Jasmine S. Bartlett, Kenneth J. Voss, Shubha Sathyendranath, and Anthony Vodacek  »View Author Affiliations


Applied Optics, Vol. 37, Issue 15, pp. 3324-3332 (1998)
http://dx.doi.org/10.1364/AO.37.003324


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Abstract

Measurements of the magnitude and spectral distribution of the Raman-scattering coefficients of pure water (b rw ) and seawater (b rs ) are presented. Two independent measurements of the spectral distribution of the Raman-scattering coefficient of pure water were made for incident wavelengths ranging from 250 to 500 nm. These measurements revealed a strong dependence of b rw on wavelength that could be represented by a (λ′)-5.3±0.3 relationship, where λ′ is the incident wavelength, or a λ-4.6±0.3 relationship, where λ is the Raman-scattered wavelength, when normalized to units of photons. The corresponding relationships for normalization to energy are (λ′)-5.5±0.4 and λ-4.8±0.3, respectively. These relationships are found to be consistent with resonance Raman theory for an absorption wavelength of 130 nm. The absolute value of b rw for the 3400-cm-1 line was found to be (2.7 ± 0.2) × 10-4 m-1 for an incident wavelength of 488 nm, which is consistent with a number of earlier reports. The difference between the magnitudes of the Raman-scattering coefficients for pure water and seawater was statistically insignificant.

© 1998 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(010.7340) Atmospheric and oceanic optics : Water
(190.5650) Nonlinear optics : Raman effect
(290.0290) Scattering : Scattering
(290.5820) Scattering : Scattering measurements
(290.5860) Scattering : Scattering, Raman

History
Original Manuscript: June 4, 1997
Revised Manuscript: January 12, 1998
Published: May 20, 1998

Citation
Jasmine S. Bartlett, Kenneth J. Voss, Shubha Sathyendranath, and Anthony Vodacek, "Raman scattering by pure water and seawater," Appl. Opt. 37, 3324-3332 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-15-3324

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