Radiation detectors based on high electron mobility transistors (HEMTs) are provided. Methods for detecting ultraviolet radiation using the HEMTs are also provided. The transistors are constructed fro...
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An optical fiber sensor extends coaxially with a controllable heater to provide high-resolution axial measurement of thermal properties such as thermal convection of the surrounding, Heat removal by e...
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• Water quality monitoring is often done by scientists at universities or government agencies who either collect samples in the field and transport them to stationary laboratories for analysis or in...
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A device is provided for securing a plurality of infrared radiation detectors from unwanted infrared radiation. The device includes a structure supporting the plurality of infrared radiation detectors...
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In accordance with some embodiments, methods, systems, and media for detecting the presence of are provided. In some embodiments, a method of detecting an analyte is provided, the method comprising: c...
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A method to make metal-organic frameworks (MOFs) in which a first aqueous solution of a transition metal salt is mixed with a second aqueous solution of an imidazole or alkyl-substituted imidazole to ...
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Liquid crystal-based devices for detecting chlorine in a sample and methods of using such devices to detect chlorine are disclosed. Such devices have a substrate surface that includes either metal cat...
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A wavefront sensor system suitable for integration into an integrated circuit light detector may provide for wave angle sensors having varying functional relationships between the wave angle and signa...
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An apparatus for measurement of surface relief provides a phase sensitive camera and processing to reconstruct a wavefront profile matching the surface when illuminated with a known light source there...
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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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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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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 strai...
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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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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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Liquid crystal materials are promising candidates for many sensing and interfacial applications. Liquid crystals respond to and amplify small changes in temperature, electric or magnetic fields, shear...
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Placing sensors that can monitor properties such as temperature and strain directly into a manufacturing environment can allow effective monitoring and control of manufacturing processes. By continuou...
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Night vision systems utilize cameras that are sensitive to wavelengths such as infrared (IR) to produce image frames. The IR image frames may be displayed alone in sequence to provide a moving picture...
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