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Optical phase tuning is highly desired in many precision and imaging tools used by industry, in medicine and in biological research. Various optical phase shifters (OPS) and methods exist, each with c...
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Currently, water quality monitoring is done by scientists at universities or government agencies who either collect samples in the field and transport them to stationary laboratories for analysis or i...
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Bacterial contamination is a major risk in biologics manufacturing and the presence of endotoxin, an outer membrane component of Gram-negative bacteria, is vigorously tested for in protein and DNA/RNA...
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Volatile organic compounds (VOCs) are found in common household and industrial products. These toxic and/or carcinogenic compounds such as toluene, benzene and styrene are difficult to detect and pers...
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The ability to measure movement of rotating components with high accuracy is crucial in many applications, including astronomical telescope mounts, field surveillance tools, industrial inspection and ...
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Scanning thermal probes hold promise for many applications, including high-resolution temperature mapping (e.g., for ULSI circuit diagnostics), topographical mapping, photothermal absorption spectrosc...
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Proteins contain carboxyl groups. These charged groups make it difficult for any protein to enter a human (or other eukaryotic) cell. Modifying proteins to enter cells could revolutionize medicine, e....
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Germanium (Ge), a group-IV semiconductor material, is crucial to many established and potential technologies. In optoelectronics, Ge has been used as a photodetector material for on-chip data distribu...
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Surface mounted and exposed sensors are used in objects commonly found in a modern society that range from simple temperature monitors to complex airbag ejection systems. But sensors located on the su...
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Load bearing structures experience stresses and/or strains that deform the material from which they are made. Regardless of a building component’s size, exposure to or tolerance for stress and s...
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Electrodes routinely are used in electrochemical sensing, fuel cells, batteries and numerous other applications. Critically, the surface of an electrode must be clean before sensing elements can be at...
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Tracking emissions, sensing earthquakes and monitoring patient brain waves are just a few of the applications that rely on changing, real-world information. In typical systems, sensors pass on raw dat...
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In ultrasonic welding, work pieces are clamped between a horn and anvil and then joined using high-frequency vibration energy. Friction and heat between the surfaces causes them to soften and meld tog...
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Proteins, polysaccharides, biofilms and other contaminants may collect on surfaces over time in a process known as surface fouling. The identification of agents that prevent the adsorption of biofouli...
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Remote spectrographic measurements can be made using a fiber optic guide attached to a “U-bench,” an optical component that supports a light emitter opposite from a light collector or a mirror acr...
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Detection of magnetic fluctuations is vital to endeavors from space navigation to oil exploration. UW–Madison researchers previously developed a method that utilizes sensitive alkali atoms—polariz...
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A magnetometer is a scientific instrument used to measure the strength and/or direction of magnetic fields. It has applications in areas such as navigation systems, geophysics and drilling/mining expl...
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