Monte Carlo modeling of the light field in reflective-tube-type absorption meters

J. H. M. Hakvoort; Remco R. Wouts

doi:10.1117/12.190096

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26 October 1994 Monte Carlo modeling of the light field in reflective-tube-type absorption meters

J. H. M. Hakvoort, Remco R. Wouts

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Proceedings Volume 2258, Ocean Optics XII; (1994) https://doi.org/10.1117/12.190096
Event: Ocean Optics XII, 1994, Bergen, Norway

Abstract

The light field in reflective tube type absorption meters was modeled with Monte Carlo methods. The entrance light field was varied and the systems geometry was varied together with the inherent properties of a test medium. This enabled us to calculate the radiance attenuation as a function of the field of view for several variants of a reflective tube absorption meter. It was found that an instrument with a Lambertian entrance light field and a small field of view measures the sum of absorption and backscattering with an error less than 2 - 5%. This result is independent of the shape of volume scatter functions for surface water. For small fields of view the reflectivity of the cylinder was found not to be critical.

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J. H. M. Hakvoort and Remco R. Wouts "Monte Carlo modeling of the light field in reflective-tube-type absorption meters", Proc. SPIE 2258, Ocean Optics XII, (26 October 1994); https://doi.org/10.1117/12.190096

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