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Applied Optics

Applied Optics


  • Vol. 39, Iss. 33 — Nov. 20, 2000
  • pp: 6118–6127

Analysis of a point-source integrating-cavity absorption meter

Robert A. Leathers, T. Valerie Downes, and Curtiss O. Davis  »View Author Affiliations

Applied Optics, Vol. 39, Issue 33, pp. 6118-6127 (2000)

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We evaluate the theoretical performance of a point-source integrating-cavity absorption meter (PSICAM) with Monte Carlo simulations and a sensitivity analysis. We quantify the scattering errors, verifying that they are negligible for most ocean optics applications. Although the PSICAM detector response is highly sensitive to the value of the wall reflectivity, the absorption of an unknown fluid can be accurately determined with a PSICAM if appropriate reference solution(s) are chosen. We also quantify the error that results if the source is not perfectly isotropic, finding that moderate amounts of source anisotropy can be tolerated provided that the detector is properly located with respect to the source.

© 2000 Optical Society of America

OCIS Codes
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(030.5260) Coherence and statistical optics : Photon counting
(030.5620) Coherence and statistical optics : Radiative transfer
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(300.1030) Spectroscopy : Absorption

Original Manuscript: April 24, 2000
Revised Manuscript: August 28, 2000
Published: November 20, 2000

Robert A. Leathers, T. Valerie Downes, and Curtiss O. Davis, "Analysis of a point-source integrating-cavity absorption meter," Appl. Opt. 39, 6118-6127 (2000)

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