The embodiments described herein provide a sensor. In an exemplary embodiment, the sensor includes (1) a resonator, (2) a probe attached to the resonator, and (3) an encasement that encases the resonator, where the encasement includes an opening through which the probe can protrude and where the dimensions of the encasement are on the same order as the dimensions of the resonator.
STATEMENT OF GOVERNMENT SUPPORT
This invention was made with government support under Contract No DE-AC02-05CH11231 awarded by the U.S. Department of Energy. The government has certain rights in this invention.