TWO-DIMENSIONAL RADIO-FREQUENCY CHEMICAL SENSOR
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Nov 16, 2016
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Nov 16, 2015
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A radio frequency two-dimensional chemical sensor is provided. In one embodiment, the sensor includes a transmission line. The transmission line may be modified to a more capacitive structure depending on the desired chemical to be sensed. In another embodiment, two of the sensors are provided on the surface of a dielectric material and are electrically connected via a Wilkinson power divider to improve the sensitivity of the device. The sensor provides both high selectivity and sensitivity to potentially toxic chemical compounds in the ppb and sub-ppb range in real world environments.
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