Transformation of Solar Disc Radiances into a Top of the Atmosphere Radiance Source for On-Orbit Solar Calibration of Terrestrial Radiance Measurements

Characteristics have been measured for a series of transmission optical devices that are considered for use in transforming solar disc radiances into a top of the atmosphere solar radiance source which can be used to calibrate terrestrial radiance measurements derived from orbiting remote sensing in...

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Bibliographic Details
Main Authors: Heath, D.F., Slaymaker, P.A., Kuester, M.A.
Format: Conference Proceeding
Language:English
Subjects:
Atmosphere
Atmospheric measurements
Calibration
Extraterrestrial measurements
Lenses
Optical arrays
Optical collimators
Optical devices
Optical sensors
Remote sensing
Online Access:Request full text
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Summary:Characteristics have been measured for a series of transmission optical devices that are considered for use in transforming solar disc radiances into a top of the atmosphere solar radiance source which can be used to calibrate terrestrial radiance measurements derived from orbiting remote sensing instruments. The types of transmission optical elements that were evaluated are a diffraction hole-plate, plates of fused silica and glass with ground surfaces, several types of microlens arrays and "engineered" diffusers. Collimated light from a diffuse source with approximately the angular solar diameter was imaged onto a CCD camera by a long focal length achromat at multiple narrow band wavelengths. The optical transform device was inserted into the beam of collimated radiation on the source side of the achromatic lens.
ISSN:2153-6996
2153-7003
DOI:10.1109/IGARSS.2006.293