12 July 2000 Factory acceptance test results for the DIRSP projection optics
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Abstract
The Factory Acceptance Test (FAT) results for the projection optical subsystem (POS) of US Army STIRCOM's dynamic infrared scene projector (DIRSP) are presented in this paper. DIRSP is a low background (-35 degrees Celsius) hardware-in-the- loop (HWIL), long-wave infrared (LWIR) scene projector built by Mission Research Corporation (MRC) for use by the Redstone Technical Test Center (RTTC). It has an effective emitter array size of 1632 X 672 suspended-membrane micro-resistor elements. The POS is responsible for generating this effective array size from three smaller arrays using a mosaic image combiner, adding background light from an external blackbody, and collimating the combined radiation with a 5:1 vacuum enclosed -35 degree Celsius zoom lens. The FAT results reported demonstrate good POS performance compared to the design for focal length, F/#, MTF and apparent temperature.
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Matthew C. Thomas, Matthew C. Thomas, Craig S. Ward, Craig S. Ward, } "Factory acceptance test results for the DIRSP projection optics", Proc. SPIE 4027, Technologies for Synthetic Environments: Hardware-in-the-Loop Testing V, (12 July 2000); doi: 10.1117/12.391694; https://doi.org/10.1117/12.391694
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