Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"IR sensors"”.
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Graphene Based Chemical and IR Sensors and Correlated Carrier Transport
… suspended form, as the charge carriers resemble Dirac fermions; and the carrier transport can remain ballistic up to 0.3 μm in ambient conditions. However, due to different sources of scattering, this value is highly reduced in supported graphene. Due to the atomically thin nature of the graphene …
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Evaluation of tactical decision aid programs for prediction of field performance of IR sensors
… performance models, the U.S. Army's ACQUIRE and the infrared module of the Navy/ Air Force Tactical Decision Aid (TDA), WinEOTDA. Differences in the modeling of underlying physical principles, input parameters, and treatments are analyzed. A comparison of the predicted detection ranges is …
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Vapor-liquid-solid (VLS) growth of lead chalcogenide thin films for infrared sensing applications
Infrared sensors are used in a variety of applications, from gas and moisture analysers, to human body detection to spectrophotometers. Available IR technology falls on two ends of the spectrum: state-of-art photon detectors are high-quality but expensive and cumbersome due to the need for …
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Characterization of gold black and its application in un-cooled infrared detectors
… backfilled with inert gas pressure and their optical properties were studied in near-far-IR wavelengths. The porosities of coatings were found to be extremely high around ~ 99%. Different approaches of effective medium theories such as Maxwell-Garnett, Bruggeman, Landau-Lifshitz-Looyenga …
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Design of autonomous robot device for accurate pacing of track athletes
… a track was developed to help fulfill this requirement. The need for this device, determined from interviews and a survey of experienced running athletes and coaches, was found to be substantial for a number of age groups and experience levels of runners. An experimental robot prototype was …
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Advanced nanofabrication of thermal emission devices
… emitter has great potential for use as near-IR and IR sensors. Theory has also shown that selective thermal emitters fabricated in tungsten with a 2-dimensional photonic crystal structure can exhibit spectrally selective thermal emission. This type of fabricated selective thermal emitter can …
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Bridging infrared and visible light with nano-optics
If human vision extended to the infrared (IR) spectrum, we would witness a world teeming with vibrant and distinct color combinations, each corresponding to unique molecular vibrations that absorb and emit IR light. Instruments allowing us to look at the world in the IR enable medical diagnoses, …
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Mid-IR type-II InAs/GaSb nanoscale superlattice sensors
… of mid-wavelength infrared radiation (MWIR) is very important for many military, industrial and biomedical applications. Present-day commercially available uncooled IR sensors operating in MWIR region (2-5μm) use microbolometric detectors which are inherently slow. Available photon …
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Modeling and simulation of stochastic phenomena in carbon nanotube-based single molecule sensors
Shrinking sensors to the nanoscale introduces novel selectivity mechanisms and enables the ultimate sensitivity limit, single-molecule detection. Single-walled carbon nanotubes, with a bright fluorescence signal and no photobleaching, are a platform for implantable near-IR sensors capable of …
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A Robot Operating System (ROS) based humanoid robot control
This thesis presents adapting techniques required to enhance the capability of a commercially available robot, namely, Robotis Bioloid Premium Humanoid Robot (BPHR). BeagleBone Black (BBB), the decision-making and implementing (intelligence providing) component, with multifunctional capabilities is …
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Scalable 3D carbon nanotube structures for bolometric infrared sensor arrays
… lower cost, and lower power consumption IR sensors is driven by emerging applications such as autonomous vehicles. Uncooled infrared sensors work on a bolometer principle, where the infrared energy is absorbed, increasing the temperature of the device. This temperature change can be …
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Investigation of InAs/GaSb superlattice based nBn detectors and focal plane arrays
Infrared (IR) detectors are used for a variety of imaging applications, such as terrestrial surveillance, biomedical diagnostics, and target acquisition. Presently, the most common photon detectors for these applications are based on interband transitions in pn junctions made of mercury cadmium …