, Volume 83, Issue 2, pp 319-322
Date: 29 Mar 2006

Calibration of edge technique considering variation of Brillouin line width at different temperatures of water

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Abstract

Edge technique is a sensitive and accurate technique for measuring Brillouin shift in water. Calibration is necessary in its applications in remote sensing of the ocean. In previous works, the normalized signal was calibrated without considering the change of Brillouin line width under different temperatures of the water. In this work, the normalized signal of edge technique was re-calibrated basing on temperature dependence of the line width of Brillouin scattering in water. A more accurate relationship between Brillouin shift and the normalized signal was obtained.

PACS

42.68.Wt; 42.79.Qx; 78.35.+c