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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 2, Iss. 10 — Oct. 31, 2007

Spectral information retrieval from integrated broadband photodiode Martian ultraviolet measurements

Luis Vázquez, María-Paz Zorzano, and Salvador Jimenez  »View Author Affiliations

Optics Letters, Vol. 32, Issue 17, pp. 2596-2598 (2007)

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We propose an algorithm to retrieve the global features of the spectral dependence of the ultraviolet (UV) irradiance from integrated, broadband UV measurements performed with a set of photodiodes with different UV filters. This fit, when applied to ground-based measurements and compared with the incident Solar spectral irradiance on the top of the atmosphere, may be used to extract the spectral dependence of the UV opacity and the most relevant parameters characterizing the scattering with atmospheric aerosol (Angstrom exponent, etc.) as well as the biological effective doses. In this way, using a set of photodiodes instead of a spectrophotometer, one may get spectral information within very low mass, package, and weight constraints, which is particularly useful for space missions. We consider its application for the rover-based exploration of the Martian ground, which is subject to daily and seasonal opacity variations.

© 2007 Optical Society of America

OCIS Codes
(040.7190) Detectors : Ultraviolet
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(280.1100) Remote sensing and sensors : Aerosol detection
(290.4020) Scattering : Mie theory

ToC Category:
Remote Sensing and Sensors

Original Manuscript: April 19, 2007
Revised Manuscript: July 2, 2007
Manuscript Accepted: July 5, 2007
Published: August 24, 2007

Virtual Issues
Vol. 2, Iss. 10 Virtual Journal for Biomedical Optics

Luis Vázquez, María-Paz Zorzano, and Salvador Jimenez, "Spectral information retrieval from integrated broadband photodiode Martian ultraviolet measurements," Opt. Lett. 32, 2596-2598 (2007)

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