Characterization and correction of stray light in optical instruments

Yuqin Zong; Steven W. Brown; Gerhard Meister; Robert A. Barnes; Keith R. Lykke

doi:10.1117/12.737315

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26 October 2007 Characterization and correction of stray light in optical instruments

Yuqin Zong, Steven W. Brown, Gerhard Meister, Robert A. Barnes, Keith R. Lykke

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Proceedings Volume 6744, Sensors, Systems, and Next-Generation Satellites XI; 67441L (2007) https://doi.org/10.1117/12.737315
Event: SPIE Remote Sensing, 2007, Florence, Italy

Abstract

Improperly imaged, or scattered, optical radiation within an instrument is difficult to properly characterize and is often the dominant residual source of measurement error. Scattered light can originate from the spectral components of a "point" source and from spatial elements of an extended source. The spectral and spatial scattered light components are commonly referred to as stray light and can be described by an instrument's spectral line spread function (SLSF) and point spread function (PSF), respectively. In this paper, we present approaches that characterize an instrument's response to scattered light and describe matrices that have been developed to correct an instrument's response for this scattered light. Examples are given to demonstrate the efficacy of the approach and implications for remote sensing instruments are discussed.

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Yuqin Zong, Steven W. Brown, Gerhard Meister, Robert A. Barnes, and Keith R. Lykke "Characterization and correction of stray light in optical instruments", Proc. SPIE 6744, Sensors, Systems, and Next-Generation Satellites XI, 67441L (26 October 2007); https://doi.org/10.1117/12.737315

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