T*: a calculation aid for radiometry

Frederick O. Bartell

doi:10.1117/12.21855

1 September 1990 T*: a calculation aid for radiometry

Frederick O. Bartell

Proceedings Volume 1311, Characterization, Propagation, and Simulation of Infrared Scenes; (1990) https://doi.org/10.1117/12.21855
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

The concept of T* is introduced as a special kind of average foreground temperature. It is shown that weighting for this average depends on the projected solid angle of different items as seen from the measurement target. It is shown that T* considerations are important for most radiometric measurement tasks. The relationships among radiometry, cavity radiation theory, and T* are shown.

Citation Download Citation

Frederick O. Bartell "T*: a calculation aid for radiometry", Proc. SPIE 1311, Characterization, Propagation, and Simulation of Infrared Scenes, (1 September 1990); https://doi.org/10.1117/12.21855

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