Monte Carlo Study of the Scattering Error of a Quartz Reflective Absorption Tube

Jacek Piskozub Institute of Oceanology PAS, Sopot, Poland

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Piotr J. Flatau Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California

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J. V. Ronald Zaneveld College of Oceanic and Atmospheric Sciences, Oregon State University, Corvallis, Oregon

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Abstract

A Monte Carlo model was used to study the scattering error of an absorption meter with a divergent light beam and a limited acceptance angle of the receiver. Reflections at both ends of the tube were taken into account. Calculations of the effect of varying optical properties of water as well as the receiver geometry were performed. A weighting function showing the scattering error quantitatively as a function of angle was introduced. Some cases of practical interest are discussed.

Corresponding author address: Dr. Piotr J. Flatau, Center for Atmospheric Sciences, Scripps Institution of Oceanography, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093-0221.

Email: pflatau@ucsd.edu

Abstract

A Monte Carlo model was used to study the scattering error of an absorption meter with a divergent light beam and a limited acceptance angle of the receiver. Reflections at both ends of the tube were taken into account. Calculations of the effect of varying optical properties of water as well as the receiver geometry were performed. A weighting function showing the scattering error quantitatively as a function of angle was introduced. Some cases of practical interest are discussed.

Corresponding author address: Dr. Piotr J. Flatau, Center for Atmospheric Sciences, Scripps Institution of Oceanography, University of California, San Diego, 9500 Gilman Dr., La Jolla, CA 92093-0221.

Email: pflatau@ucsd.edu

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