Abstract
The effect of a pressure change of air upon infrared sensors of thermal type, thermistor bolometer, and pyroelectric sensor, has been investigated. Experimental results indicate that the pressure dependence of the sensors is related to the temperature change of the sensor. The temperature change is caused by the pressure change of air surrounding the sensor. These results show that infrared sensors of the thermal type with high detectivity can be used as air-pressure change detectors.
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