Singh, Ravindra, Defence Laboratory, Jodhpur, India
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Defence Science Journal Vol 67 No 2: Infrared Technologies - Special Issue Papers
High Temperature Calibration of Thermal Imagers for Infrared Measurements on Military Platforms
Abstract PDF Fig. 6 Calibration curve of MWIR imager with 200 mm lens for 750 – 1600 °C dynamic range with IT: 330 µs Fig. 5 Calibration curve of MWIR imager with 50 mm lens for 330 – 630 °C dynamic range with IT: 2000 µs Fig. 4 Low and high reference temperatures taken at 30% and 70% of dynamic range respectively for performing ‘Two Point’ NUC Fig. 3 Photon detector response (voltage output) as a function radiant energy Fig. 2 Experimental setup for calibrating thermal imaging systems Fig. 1 Schematic of a thermal imaging system Fig. 7 Calibration curve of LWIR imager with 50 mm lens for 100 – 1600 °C dynamic range with IT: 120 µs Fig. 8 Calibration curve of LWIR imager with 200 mm lens for 100 – 1600 °C dynamic range with IT: 130 µs Table-1 Details of dynamic ranges and their corresponding integration times (ITs)