Requirements of a solar diffuser and measurements of some candidate materials

Carmen T. Guzman; James M. Palmer; Philip N. Slater; Carol J. Bruegge; Edward A. Miller

doi:10.1117/12.46690

1 August 1991 Requirements of a solar diffuser and measurements of some candidate materials

Carmen T. Guzman, James M. Palmer, Philip N. Slater, Carol J. Bruegge, Edward A. Miller

Proceedings Volume 1493, Calibration of Passive Remote Observing Optical and Microwave Instrumentation; (1991) https://doi.org/10.1117/12.46690
Event: Orlando '91, 1991, Orlando, FL, United States

Abstract

If the solar spectral irradiance and the orientation and directional reflectance of a solar diffuser are known, then the spectral radiance of the diffuser is readily calculated and it can be used for the accurate absolute calibration of a satellite sensor. However, the solar diffuser is exposed during in-flight satellite sensor calibration to high-energy ultraviolet irradiance, particle impacts and atomic oxygen effects. This paper describes desirable solar diffuser characteristics and the results of proton and UV irradiation on the directional-hemispheric spectral reflectance, the bidirectional spectral reflectance factor and the polarization properties of candidate diffuser materials.

Citation Download Citation

Carmen T. Guzman, James M. Palmer, Philip N. Slater, Carol J. Bruegge, and Edward A. Miller "Requirements of a solar diffuser and measurements of some candidate materials", Proc. SPIE 1493, Calibration of Passive Remote Observing Optical and Microwave Instrumentation, (1 August 1991); https://doi.org/10.1117/12.46690

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