Abstract
ABSTRACT Two novel sensor technologies have been developed for the measurement of skin surface temperature and RF field strength in an RF environment. Such a sensor system would be particularly useful in the test and evaluation of directed energy systems. The sensors operate without being affected by the presence of RF fields and with minimal perturbation of the fields, therefore having a minimal effect on a test. The sensors are designed to be wearable and interface with a portable, battery powered electronics pack by optical fibers. The temperature sensor is based on the variation in fluorescence intensity of a sensor layer with temperature. The RF field sensors operate using a passive circuit that converts the RF field into an optical signal that is measured remotely. Both sensors have been demonstrated in high power microwave lab tests. RF sensor operability has been demonstrated for fields in the range of 0.4 8.9 W/cm 2 , while the temperature sensor has been demonstr ated over the 30 60oC temperature range. Keywords: RF sensor, temperature sensor, biological sensor, fiber sensor
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