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Metasurface based uncooled Sixgeyo1-x-y microbolometer for infrared detection
(University of Missouri--Columbia, 2022)
on the geometry of the metasurface material. The inclusion of the metasurface permits engineering the IR absorptance with respect to wavelength. Absorption by the metasurface eliminates the need for a 1/4-wave resonant cavity under the microbolometer. In addition...
Impedance and plasmonic based MEMS sensors for chemical and biological applications
(University of Missouri--Columbia, 2020)
that increased the strength of the measured signal by a factor between 4 and 6.25, high sensitivity of 3 cell/ml and detection time of less than 1 hour. The second project is implementing a fiber optic based chemical sensor, which consists of a thin film metal...
Metasurface integrated uncooled silicon germanium oxide microbolometers for long wavelength infrared detection
(University of Missouri--Columbia, 2022)
-noise is dominant at low frequencies. The corresponding 1/f-noise coefficients Kf for the devices that were annealed in vacuum and forming gases were changed from 3.26x10-10 to 2.375x10-14 and from 2.435x10-11 to 7.078x10-14 after 4 hours of annealing at 300 degrees...