Evaluation of emissive infrared projector radiant output parameters

Owen M. Williams

doi:10.1117/12.137836

21 September 1992 Evaluation of emissive infrared projector radiant output parameters

Owen M. Williams

Proceedings Volume 1687, Characterization, Propagation, and Simulation of Sources and Backgrounds II; (1992) https://doi.org/10.1117/12.137836
Event: Aerospace Sensing, 1992, Orlando, FL, United States

Abstract

The output from an infrared projector can be characterized in terms of either output signal radiance or effective blackbody temperature. In this paper, expressions from which both parameters may be derived are developed by spectral analysis of the infrared system comprised of an emissive infrared projector and an imaging unit under test (UUT). Features of the analysis include the separation of the infrared projector characteristics from those of the UUT, the calculation of the output signal radiance in terms of standard blackbody radiation formulae and the inherent algebraic connection that is maintained, enabling the UUT signal current to be readily determined once the output signal radiance is known. A dimensionless graphical procedure is developed for the subsequent determination of the effective blackbody temperature.

Citation Download Citation

Owen M. Williams "Evaluation of emissive infrared projector radiant output parameters", Proc. SPIE 1687, Characterization, Propagation, and Simulation of Sources and Backgrounds II, (21 September 1992); https://doi.org/10.1117/12.137836

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