1 September 2015 Efficient visible through SWIR focal plane MTF measurement
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Abstract
Raytheon Vision Systems (RVS) has developed an efficient method to measure MTF on Visible through MWIR small pixel FPAs. The measured data was obtained using an advanced but low cost test set with sub μm target projection on the FPA and real time display of the LSF as the slit is walked through focus. The test set is commercially procured, maintained and calibrated, provides target and filter holders and a light source. The analysis summary includes references from simplified MTF published analysis tools and a list of artifacts to be aware of when measuring MTF. The SWIR and MWIR detectors have a Mesa structure geometry for improved MTF performance and the Visible has state of the art crosstalk control to provide excellent MTF performance. The modeled data is compared to measured tilted slit MTF measured data and shows close agreement.
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Neil Malone, Neil Malone, Josh Fierro, Josh Fierro, Richard Troup, Richard Troup, Gary Willberger, Gary Willberger, Jessica Wyles, Jessica Wyles, Raymond Boe, Raymond Boe, Andrew Dixon, Andrew Dixon, } "Efficient visible through SWIR focal plane MTF measurement", Proc. SPIE 9608, Infrared Remote Sensing and Instrumentation XXIII, 96080V (1 September 2015); doi: 10.1117/12.2186255; https://doi.org/10.1117/12.2186255
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