10 October 2003 Portable thermographic camera development incorporating an AC-coupled ferroelectric focal plane array
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Abstract
Electrophysics has developed a portable thermographic camera designed for inspection of industrial infrastructure systems such as electrical distribution, mechanical systems and building integrity. The camera incorporates a Raytheon Commercial Infrared BST focal plane array, an AC-coupled ferroelectric infrared sensor with 320 x 240 element resolution. The system is calibrated to measure apparent black body temperatures between 0°C and 500°C with ± 2% RFS accuracy. The camera marketed under the product name Radiometric 500D is a highly modified PalmIR250D featuring a 16-bit real-time parallel interface to an HP iPAQ model 3955 PDA, which features a transreflective 12-bit color display, Compact Flash image storage media, a touch screen interface and voice file recording. Modifications to the chopper eliminate the halo image artifact commonly associated with AC coupled detectors, while the addition of a filter wheel provides expanded dynamic range necessary for high temperature measurements.
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Arthur Stout, Robert Kienlen, "Portable thermographic camera development incorporating an AC-coupled ferroelectric focal plane array", Proc. SPIE 5074, Infrared Technology and Applications XXIX, (10 October 2003); doi: 10.1117/12.488263; https://doi.org/10.1117/12.488263
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