Silver halide (AgClxBr1−x) infrared fibers were incorporated in a simple radiometer. Using this system we performed noncontact temperature measurements in the range 25–50 °C. Good correlation was found between the radiometric results and those obtained with a regular thermocouple. The minimum resolvable temperature difference was 0.1 °C and the spatial resolution was 0.9 mm.
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Zur et al. (1986) studied this question.
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