Noise limitations in dynamic infrared scene projection

Owen M. Williams

doi:10.1117/12.218249

8 September 1995 Noise limitations in dynamic infrared scene projection

Owen M. Williams

Proceedings Volume 2552, Infrared Technology XXI; (1995) https://doi.org/10.1117/12.218249
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

The spatial and temporal noise factors that set the ultimate performance limits on dynamic infrared scene projectors are assessed. Fixed pattern noise and the needs for non-uniformity correction procedures are both discussed, followed by a detailed analysis of the temporal and residual spatial noise contributions within the projector/imaging unit-under-test (UUT) composite system. It is found that the system is more tolerant to projector spatial noise by a factor of about four compared to UUT spatial noise. The temporal and spatial noise contributions are combined appropriately in order to provide guidance as to the levels of array uniformity that will need to be achieved if the expected demands for fine temperature resolution are to be met.

Citation Download Citation

Owen M. Williams "Noise limitations in dynamic infrared scene projection", Proc. SPIE 2552, Infrared Technology XXI, (8 September 1995); https://doi.org/10.1117/12.218249

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